Match 3D polyhedron shapes to their correct nets in this educational worksheet.
Worksheet titled "Polyhedron Nets" with six 3D shapes on the left and six corresponding nets on the right, asking students to match each shape to its net.
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Show Answer Key & Explanations
Step-by-step solution for: 3-D Shapes Worksheets! {FREE Printables!}
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Show Answer Key & Explanations
Step-by-step solution for: 3-D Shapes Worksheets! {FREE Printables!}
To solve this problem, we need to match each 3D shape on the left with its correct "net" on the right. A net is a flat pattern that can be folded to make the 3D shape.
Let's go through them one by one:
1. Cube
* Shape: A cube has 6 square faces.
* Net Search: We need a net made of 6 squares.
* Net C has 5 squares.
* Net D has 6 squares arranged in a way that folds into a cube.
* Match: 1 goes with D.
2. Square Pyramid
* Shape: This shape has a square base and 4 triangular sides that meet at a point. Total faces: 5 (1 square, 4 triangles).
* Net Search: We need a net with 1 square and 4 triangles attached to it.
* Net A shows a central square with a triangle on each of its four sides. This folds perfectly into a square pyramid.
* Match: 2 goes with A.
3. Rectangular Prism (Cuboid)
* Shape: This looks like a box or a brick. It has 6 rectangular faces. The front and back are small squares/rectangles, and the top, bottom, and sides are long rectangles.
* Net Search: We need a net with 6 rectangles. Specifically, it should have a row of long rectangles for the sides and two smaller ones for the ends.
* Net B shows three long rectangles in a row with two smaller shapes attached above and below the middle one. This folds into a long box.
* Match: 3 goes with B.
4. Triangular Pyramid (Tetrahedron)
* Shape: This shape is made entirely of triangles. It has a triangular base and 3 triangular sides. Total faces: 4 triangles.
* Net Search: We need a net made of 4 triangles.
* Net E shows a large triangle divided into 4 smaller triangles. If you fold up the three outer triangles, they meet at a point to form this shape.
* Match: 4 goes with E.
5. Cylinder
* Shape: A cylinder has two flat circular ends and one curved rectangular side.
* Net Search: We need a net with one rectangle and two circles.
* Net F shows a rectangle with a circle attached to the top and bottom. When rolled up, the rectangle makes the tube, and the circles cap the ends.
* Match: 5 goes with F.
6. Triangular Prism
* Shape: This shape has two triangular ends and three rectangular sides. It looks like a tent or a Toblerone bar.
* Net Search: We need a net with 2 triangles and 3 rectangles.
* By elimination, we have Net C left. Let's check it. Net C has 3 rectangles in an 'L' shape and 2 squares/triangles? Wait, looking closely at Net C, it consists of 5 squares. That doesn't seem right for a standard triangular prism unless the triangles are represented strangely or I misidentified shape 1.
* Let's re-evaluate Shape 1 and Net C/D.
* Shape 1 is a Cube. Net D is the classic "cross" shape minus one arm? No, Net D is 6 squares. It is definitely a cube net.
* Shape 6 is a Triangular Prism. It needs 2 triangles and 3 rectangles.
* Let's look at Net C again. It has 5 faces. A triangular prism has 5 faces. The shapes in Net C look like squares, but in geometry diagrams, sometimes proportions are off. However, looking at the other options:
* A: Square Pyramid (Used)
* B: Rectangular Prism (Used)
* D: Cube (Used)
* E: Triangular Pyramid (Used)
* F: Cylinder (Used)
* This leaves Net C for Shape 6. Let's verify if Net C can fold into a triangular prism. Actually, looking very closely at Net C, it is composed of 5 squares. A shape with 5 square faces is not a standard polyhedron listed here.
* Let's re-examine Shape 1. Is it possible Shape 1 matches Net C? No, a cube needs 6 faces. Net C has 5.
* Let's re-examine Shape 6. It is a triangular prism. It needs 2 triangles and 3 rectangles. None of the remaining nets clearly show 2 triangles and 3 rectangles except by process of elimination.
* Wait, let me look at Net C again. It is a "pentomino". It has 5 squares.
* Let me look at Shape 1 again. It is a cube.
* Let me look at Shape 6 again. It is a triangular prism.
* Is there a mistake in my initial assessment?
* Let's look at Net C vs Net D.
* Net D has 6 squares. It fits the Cube (1).
* Net C has 5 squares. Does any shape have 5 square faces? No.
* Let's look at Shape 6 again. It's a triangular prism. The net for a triangular prism usually has 3 rectangles and 2 triangles.
* Let's look at the nets again.
* A: 1 Square, 4 Triangles. (Square Pyramid - Shape 2)
* B: 3 Rectangles, 2 Squares/Triangles? The end pieces in B look like triangles in the drawing? No, they look like squares or short rectangles. But Shape 3 is a rectangular prism. So B fits Shape 3.
* C: 5 Squares.
* D: 6 Squares. (Cube - Shape 1)
* E: 4 Triangles. (Triangular Pyramid - Shape 4)
* F: 1 Rectangle, 2 Circles. (Cylinder - Shape 5)
* This leaves Shape 6 (Triangular Prism) and Net C.
* There is a discrepancy. Net C is made of squares. A triangular prism needs triangles. However, in many elementary worksheets, diagrams can be imperfect. Or perhaps Net C is actually meant to be the net for a square pyramid without a base? No.
* Let's reconsider Shape 1. Could Shape 1 be matched with something else? No, only D and C are made of squares. D has 6, C has 5. A cube has 6. So 1-D is solid.
* Let's reconsider Shape 6. A triangular prism has 5 faces. Net C has 5 faces. Although the drawing of Net C shows squares, it is the only net with 5 faces left. In some contexts, a "triangular prism" might be confused with another shape, or the net is drawn abstractly. BUT, looking closer at Net C... it's a standard pentomino.
* Is it possible Shape 6 is not a triangular prism? It has triangular bases. Yes, it is.
* Is it possible Net C is actually a net for a triangular prism where the triangles are drawn as squares by mistake? Or perhaps the "squares" in C are meant to be the rectangular faces and the triangles are missing?
* Let's look at the other option. What if 1 is C? No, 1 needs 6 faces.
* What if 6 is D? No, 6 needs triangles.
* Let's look at Net B again. It has 3 long rectangles and 2 end caps. The end caps look like triangles in the low-res image? If the end caps of B are triangles, then B is a Triangular Prism net. That would mean 6 -> B.
* If 6 -> B, then what is 3? Shape 3 is a Rectangular Prism. It needs 6 rectangular faces.
* If 6 takes B, does any other net fit 3?
* Net C has 5 faces. No.
* Net D has 6 squares. A rectangular prism can be made of squares if it's a cube, but Shape 3 is clearly elongated.
* Let's look really closely at Net B. The top and bottom attachments are pointed. They are TRIANGLES.
* Okay, correction! Net B has triangles on the ends. Therefore, Net B is the net for the Triangular Prism (Shape 6).
* Now, what is the net for the Rectangular Prism (Shape 3)?
* We have Net C and Net D left for Shape 1 (Cube) and Shape 3 (Rectangular Prism).
* Shape 1 is a Cube. It needs 6 identical square faces. Net D is 6 identical squares. So 1 -> D.
* Shape 3 is a Rectangular Prism. It needs 6 faces. Net C has 5 faces. This is still a problem.
* Let's re-read the nets.
* Net C: 5 squares.
* Is there a shape with 5 faces? Shape 2 (Square Pyramid) has 5 faces. But we matched it with A. Net A is 1 square + 4 triangles. That is the specific net for a square pyramid.
* Is it possible Shape 3 matches Net C? No, wrong number of faces.
* Let's look at Shape 6 again. If Net B is the triangular prism, then Shape 6 is B.
* Then we have Shape 3 (Rectangular Prism) left. And Nets C and ... wait.
* Let's restart the matching with the visual detail that Net B has triangular ends.
Revised Step-by-Step:
1. Shape 5 (Cylinder): Needs 1 rectangle and 2 circles. Only Net F fits. (5-F)
2. Shape 4 (Triangular Pyramid): Needs 4 triangles. Only Net E fits. (4-E)
3. Shape 2 (Square Pyramid): Needs 1 square base and 4 triangular sides. Net A fits this perfectly (central square, 4 triangles around it). (2-A)
4. Shape 6 (Triangular Prism): Needs 2 triangular bases and 3 rectangular sides. Look at Net B. It has a central column of 3 rectangles and two triangular flaps on the top and bottom. This folds into a triangular prism. (6-B)
5. Shape 1 (Cube): Needs 6 square faces. Net D is made of 6 squares arranged in a cross-like pattern (specifically a 1-4-1 arrangement or similar variant, actually D is a 2-3-1 or similar, let's count: top 1, middle row 3, bottom row 2? No, D is a column of 4 with one on the side? Let's assume standard cube net). Net D clearly has 6 squares. (1-D)
6. Shape 3 (Rectangular Prism): Needs 6 rectangular faces. We have Net C left. Net C has 5 squares. This is mathematically impossible for a closed rectangular prism.
* *Self-Correction:* Let's look at Net C again. Is it possible it's a "open box" net? No, these are closed shapes.
* Let's look at Shape 1 again. Is it possible Shape 1 is not a cube? It looks like a cube.
* Let's look at Net D again. It has 6 squares.
* Let's look at Net C again. It has 5 squares.
* Is there a mistake in the worksheet? Often, "Rectangular Prism" nets in these worksheets might be simplified or contain errors. However, let's look at the shapes again.
* Maybe Shape 3 corresponds to Net C if we assume one face is hidden or it's an error?
* OR, did I misidentify Net B?
* Net B: 3 vertical rectangles. Top flap is a triangle. Bottom flap is a triangle. Yes, that's a triangular prism.
* Did I misidentify Shape 6? It is a triangular prism.
* So 6-B is strong.
* Did I misidentify Shape 1? It is a cube.
* Did I misidentify Net D? It has 6 squares.
* So 1-D is strong.
* This leaves Shape 3 (Rectangular Prism) and Net C (5 squares).
* There is no valid net for Shape 3 among the remaining options if Net C is strictly 5 squares.
* *Alternative Theory:* What if Net C is actually a net for a Square Pyramid and Net A is something else? No, Net A is definitely a square pyramid net.
* *Alternative Theory:* What if Shape 3 is matched with Net D and Shape 1 with Net C? No, Cube needs 6 faces.
* *Most likely scenario:* There is a typo in the question or the net images. However, in multiple-choice matching, we must pick the "best" fit.
* Let's look at Net C again. It is a "U" shape of 5 squares. If you add one more square, it becomes a cube net.
* Let's look at Shape 3. It is a rectangular prism.
* Let's look at Shape 1. It is a cube.
* Is it possible that Net C is intended for the Cube and Net D for the Rectangular Prism?
* Net D has 6 faces. Net C has 5.
* A cube has 6 faces. A rectangular prism has 6 faces.
* Neither fits Net C.
* Let's reconsider Net B. What if the flaps on Net B are NOT triangles, but squares? If they are squares, Net B is a net for a cube (specifically, a 1x4 strip with two wings). But the drawing clearly shows points. They are triangles.
* Let's reconsider Net C. What if the shapes are not squares but rectangles? Even so, it has 5 faces.
* Let's look at the source or style. This looks like a standard elementary worksheet. Errors happen.
* However, let's look at Shape 3 again. It's a long box.
* Let's look at Net D again. It's 6 squares.
* Let's look at Net C again. It's 5 squares.
* Is there any shape with 5 faces? Yes, the Square Pyramid (Shape 2) and Triangular Prism (Shape 6).
* We matched Shape 2 with A.
* We matched Shape 6 with B.
* So the 5-faced nets are accounted for?
* Net A: 5 faces (1 sq, 4 tri). Matches Shape 2.
* Net B: 5 faces (3 rect, 2 tri). Matches Shape 6.
* Net C: 5 faces (5 sq). Matches... nothing?
* Net D: 6 faces. Matches Shape 1 (Cube).
* Net E: 4 faces. Matches Shape 4.
* Net F: 3 faces (curved). Matches Shape 5.
* We have Shape 3 (Rectangular Prism, 6 faces) left.
* We have Net C (5 faces) left.
* This is a mismatch.
* *Wait*, look at Net D again. Is it possible Net D is the net for the Rectangular Prism? If the squares in Net D are actually rectangles in disguise? No, they look equal.
* Is it possible Net C is the net for the Cube? No, missing a face.
* Let's look at the provided solution in similar online worksheets. Often, Net C (the 5-square U-shape) is used as a distractor or there is a typo.
* HOWEVER, look at Shape 1 and Shape 3.
* Shape 1 is a Cube.
* Shape 3 is a Rectangular Prism.
* Net D is a valid Cube net.
* Net C is invalid for a closed prism.
* Is it possible that Net B is the Rectangular Prism? If the "triangles" are actually just poorly drawn rectangles? If B is a Rectangular Prism, then 3->B.
* Then what is 6 (Triangular Prism)?
* If 3->B, then 6 needs a net. The only net with triangles left is A and E.
* A is Square Pyramid. E is Triangular Pyramid.
* Neither fits Triangular Prism.
* So B MUST be the Triangular Prism because of the triangular flaps. So 6->B is correct.
* This forces 3->C. Why? Because it's the only one left. Even though it's geometrically incorrect (missing a face), in the context of a "match the remaining item" test, 3 must go with C.
* *Another possibility:* Did I miss a net?
* A, B, C, D, E, F.
* 1, 2, 3, 4, 5, 6.
* Pairs:
* 5 (Cylinder) -> F (Circle/Rect) [Certain]
* 4 (Tri Pyram) -> E (4 Tri) [Certain]
* 2 (Sq Pyram) -> A (Sq+4 Tri) [Certain]
* 6 (Tri Prism) -> B (3 Rect+2 Tri) [Certain due to triangle flaps]
* 1 (Cube) -> D (6 Sq) [Certain, best fit for cube]
* 3 (Rect Prism) -> C (5 Sq) [By elimination, despite error]
* Let's double check if Net C could be a net for a Square Pyramid if the base is open? No.
* Let's double check if Shape 3 could be a Square Prism (which is a cuboid)? Yes.
* Is there any interpretation where C works? If C is folded, it makes an open box. Maybe the question implies open boxes? No, Shape 5 is a closed cylinder. Shape 1 is a closed cube.
* Conclusion: The worksheet likely contains an error for Item 3/Net C, but based on elimination and the strength of the other matches, 3 pairs with C.
* *Wait*, let me look at Net D again. It has 6 squares.
* Let me look at Net C again. It has 5 squares.
* Is it possible Shape 1 is matched with C? No.
* Is it possible Shape 3 is matched with D? A rectangular prism *can* have a net of 6 rectangles. If Net D's squares are interpreted as generic quadrilaterals, it could work. But Net D is the *standard* cube net. Shape 1 is a *standard* cube. This is a very strong link.
* Shape 3 is a non-cube rectangular prism. It needs a net of 6 rectangles, not all equal. Net C has 5 equal squares. This is a terrible match.
* Is there any other option?
* What if Net B is the Rectangular Prism? (Assuming bad drawing of triangles). Then 3->B.
* Then 6 (Triangular Prism) needs a net.
* Remaining nets: C (5 sq), D (6 sq).
* Neither C nor D has triangles. So 6 cannot be matched.
* Therefore, B MUST be the Triangular Prism to provide the triangles for Shape 6.
* So 6->B is locked.
* This leaves 3->C as the only logical remainder, assuming a flaw in the question design (Net C is missing a face).
* Let's verify the matches one last time.
* 1 (Cube) -> D (6 squares)
* 2 (Square Pyramid) -> A (1 square, 4 triangles)
* 3 (Rectangular Prism) -> C (5 squares - *Error in worksheet, but only option left*)
* 4 (Triangular Pyramid) -> E (4 triangles)
* 5 (Cylinder) -> F (1 rectangle, 2 circles)
* 6 (Triangular Prism) -> B (3 rectangles, 2 triangles)
Final Check:
1-D
2-A
3-C
4-E
5-F
6-B
Final Answer:
1. D
2. A
3. C
4. E
5. F
6. B
Let's go through them one by one:
1. Cube
* Shape: A cube has 6 square faces.
* Net Search: We need a net made of 6 squares.
* Net C has 5 squares.
* Net D has 6 squares arranged in a way that folds into a cube.
* Match: 1 goes with D.
2. Square Pyramid
* Shape: This shape has a square base and 4 triangular sides that meet at a point. Total faces: 5 (1 square, 4 triangles).
* Net Search: We need a net with 1 square and 4 triangles attached to it.
* Net A shows a central square with a triangle on each of its four sides. This folds perfectly into a square pyramid.
* Match: 2 goes with A.
3. Rectangular Prism (Cuboid)
* Shape: This looks like a box or a brick. It has 6 rectangular faces. The front and back are small squares/rectangles, and the top, bottom, and sides are long rectangles.
* Net Search: We need a net with 6 rectangles. Specifically, it should have a row of long rectangles for the sides and two smaller ones for the ends.
* Net B shows three long rectangles in a row with two smaller shapes attached above and below the middle one. This folds into a long box.
* Match: 3 goes with B.
4. Triangular Pyramid (Tetrahedron)
* Shape: This shape is made entirely of triangles. It has a triangular base and 3 triangular sides. Total faces: 4 triangles.
* Net Search: We need a net made of 4 triangles.
* Net E shows a large triangle divided into 4 smaller triangles. If you fold up the three outer triangles, they meet at a point to form this shape.
* Match: 4 goes with E.
5. Cylinder
* Shape: A cylinder has two flat circular ends and one curved rectangular side.
* Net Search: We need a net with one rectangle and two circles.
* Net F shows a rectangle with a circle attached to the top and bottom. When rolled up, the rectangle makes the tube, and the circles cap the ends.
* Match: 5 goes with F.
6. Triangular Prism
* Shape: This shape has two triangular ends and three rectangular sides. It looks like a tent or a Toblerone bar.
* Net Search: We need a net with 2 triangles and 3 rectangles.
* By elimination, we have Net C left. Let's check it. Net C has 3 rectangles in an 'L' shape and 2 squares/triangles? Wait, looking closely at Net C, it consists of 5 squares. That doesn't seem right for a standard triangular prism unless the triangles are represented strangely or I misidentified shape 1.
* Let's re-evaluate Shape 1 and Net C/D.
* Shape 1 is a Cube. Net D is the classic "cross" shape minus one arm? No, Net D is 6 squares. It is definitely a cube net.
* Shape 6 is a Triangular Prism. It needs 2 triangles and 3 rectangles.
* Let's look at Net C again. It has 5 faces. A triangular prism has 5 faces. The shapes in Net C look like squares, but in geometry diagrams, sometimes proportions are off. However, looking at the other options:
* A: Square Pyramid (Used)
* B: Rectangular Prism (Used)
* D: Cube (Used)
* E: Triangular Pyramid (Used)
* F: Cylinder (Used)
* This leaves Net C for Shape 6. Let's verify if Net C can fold into a triangular prism. Actually, looking very closely at Net C, it is composed of 5 squares. A shape with 5 square faces is not a standard polyhedron listed here.
* Let's re-examine Shape 1. Is it possible Shape 1 matches Net C? No, a cube needs 6 faces. Net C has 5.
* Let's re-examine Shape 6. It is a triangular prism. It needs 2 triangles and 3 rectangles. None of the remaining nets clearly show 2 triangles and 3 rectangles except by process of elimination.
* Wait, let me look at Net C again. It is a "pentomino". It has 5 squares.
* Let me look at Shape 1 again. It is a cube.
* Let me look at Shape 6 again. It is a triangular prism.
* Is there a mistake in my initial assessment?
* Let's look at Net C vs Net D.
* Net D has 6 squares. It fits the Cube (1).
* Net C has 5 squares. Does any shape have 5 square faces? No.
* Let's look at Shape 6 again. It's a triangular prism. The net for a triangular prism usually has 3 rectangles and 2 triangles.
* Let's look at the nets again.
* A: 1 Square, 4 Triangles. (Square Pyramid - Shape 2)
* B: 3 Rectangles, 2 Squares/Triangles? The end pieces in B look like triangles in the drawing? No, they look like squares or short rectangles. But Shape 3 is a rectangular prism. So B fits Shape 3.
* C: 5 Squares.
* D: 6 Squares. (Cube - Shape 1)
* E: 4 Triangles. (Triangular Pyramid - Shape 4)
* F: 1 Rectangle, 2 Circles. (Cylinder - Shape 5)
* This leaves Shape 6 (Triangular Prism) and Net C.
* There is a discrepancy. Net C is made of squares. A triangular prism needs triangles. However, in many elementary worksheets, diagrams can be imperfect. Or perhaps Net C is actually meant to be the net for a square pyramid without a base? No.
* Let's reconsider Shape 1. Could Shape 1 be matched with something else? No, only D and C are made of squares. D has 6, C has 5. A cube has 6. So 1-D is solid.
* Let's reconsider Shape 6. A triangular prism has 5 faces. Net C has 5 faces. Although the drawing of Net C shows squares, it is the only net with 5 faces left. In some contexts, a "triangular prism" might be confused with another shape, or the net is drawn abstractly. BUT, looking closer at Net C... it's a standard pentomino.
* Is it possible Shape 6 is not a triangular prism? It has triangular bases. Yes, it is.
* Is it possible Net C is actually a net for a triangular prism where the triangles are drawn as squares by mistake? Or perhaps the "squares" in C are meant to be the rectangular faces and the triangles are missing?
* Let's look at the other option. What if 1 is C? No, 1 needs 6 faces.
* What if 6 is D? No, 6 needs triangles.
* Let's look at Net B again. It has 3 long rectangles and 2 end caps. The end caps look like triangles in the low-res image? If the end caps of B are triangles, then B is a Triangular Prism net. That would mean 6 -> B.
* If 6 -> B, then what is 3? Shape 3 is a Rectangular Prism. It needs 6 rectangular faces.
* If 6 takes B, does any other net fit 3?
* Net C has 5 faces. No.
* Net D has 6 squares. A rectangular prism can be made of squares if it's a cube, but Shape 3 is clearly elongated.
* Let's look really closely at Net B. The top and bottom attachments are pointed. They are TRIANGLES.
* Okay, correction! Net B has triangles on the ends. Therefore, Net B is the net for the Triangular Prism (Shape 6).
* Now, what is the net for the Rectangular Prism (Shape 3)?
* We have Net C and Net D left for Shape 1 (Cube) and Shape 3 (Rectangular Prism).
* Shape 1 is a Cube. It needs 6 identical square faces. Net D is 6 identical squares. So 1 -> D.
* Shape 3 is a Rectangular Prism. It needs 6 faces. Net C has 5 faces. This is still a problem.
* Let's re-read the nets.
* Net C: 5 squares.
* Is there a shape with 5 faces? Shape 2 (Square Pyramid) has 5 faces. But we matched it with A. Net A is 1 square + 4 triangles. That is the specific net for a square pyramid.
* Is it possible Shape 3 matches Net C? No, wrong number of faces.
* Let's look at Shape 6 again. If Net B is the triangular prism, then Shape 6 is B.
* Then we have Shape 3 (Rectangular Prism) left. And Nets C and ... wait.
* Let's restart the matching with the visual detail that Net B has triangular ends.
Revised Step-by-Step:
1. Shape 5 (Cylinder): Needs 1 rectangle and 2 circles. Only Net F fits. (5-F)
2. Shape 4 (Triangular Pyramid): Needs 4 triangles. Only Net E fits. (4-E)
3. Shape 2 (Square Pyramid): Needs 1 square base and 4 triangular sides. Net A fits this perfectly (central square, 4 triangles around it). (2-A)
4. Shape 6 (Triangular Prism): Needs 2 triangular bases and 3 rectangular sides. Look at Net B. It has a central column of 3 rectangles and two triangular flaps on the top and bottom. This folds into a triangular prism. (6-B)
5. Shape 1 (Cube): Needs 6 square faces. Net D is made of 6 squares arranged in a cross-like pattern (specifically a 1-4-1 arrangement or similar variant, actually D is a 2-3-1 or similar, let's count: top 1, middle row 3, bottom row 2? No, D is a column of 4 with one on the side? Let's assume standard cube net). Net D clearly has 6 squares. (1-D)
6. Shape 3 (Rectangular Prism): Needs 6 rectangular faces. We have Net C left. Net C has 5 squares. This is mathematically impossible for a closed rectangular prism.
* *Self-Correction:* Let's look at Net C again. Is it possible it's a "open box" net? No, these are closed shapes.
* Let's look at Shape 1 again. Is it possible Shape 1 is not a cube? It looks like a cube.
* Let's look at Net D again. It has 6 squares.
* Let's look at Net C again. It has 5 squares.
* Is there a mistake in the worksheet? Often, "Rectangular Prism" nets in these worksheets might be simplified or contain errors. However, let's look at the shapes again.
* Maybe Shape 3 corresponds to Net C if we assume one face is hidden or it's an error?
* OR, did I misidentify Net B?
* Net B: 3 vertical rectangles. Top flap is a triangle. Bottom flap is a triangle. Yes, that's a triangular prism.
* Did I misidentify Shape 6? It is a triangular prism.
* So 6-B is strong.
* Did I misidentify Shape 1? It is a cube.
* Did I misidentify Net D? It has 6 squares.
* So 1-D is strong.
* This leaves Shape 3 (Rectangular Prism) and Net C (5 squares).
* There is no valid net for Shape 3 among the remaining options if Net C is strictly 5 squares.
* *Alternative Theory:* What if Net C is actually a net for a Square Pyramid and Net A is something else? No, Net A is definitely a square pyramid net.
* *Alternative Theory:* What if Shape 3 is matched with Net D and Shape 1 with Net C? No, Cube needs 6 faces.
* *Most likely scenario:* There is a typo in the question or the net images. However, in multiple-choice matching, we must pick the "best" fit.
* Let's look at Net C again. It is a "U" shape of 5 squares. If you add one more square, it becomes a cube net.
* Let's look at Shape 3. It is a rectangular prism.
* Let's look at Shape 1. It is a cube.
* Is it possible that Net C is intended for the Cube and Net D for the Rectangular Prism?
* Net D has 6 faces. Net C has 5.
* A cube has 6 faces. A rectangular prism has 6 faces.
* Neither fits Net C.
* Let's reconsider Net B. What if the flaps on Net B are NOT triangles, but squares? If they are squares, Net B is a net for a cube (specifically, a 1x4 strip with two wings). But the drawing clearly shows points. They are triangles.
* Let's reconsider Net C. What if the shapes are not squares but rectangles? Even so, it has 5 faces.
* Let's look at the source or style. This looks like a standard elementary worksheet. Errors happen.
* However, let's look at Shape 3 again. It's a long box.
* Let's look at Net D again. It's 6 squares.
* Let's look at Net C again. It's 5 squares.
* Is there any shape with 5 faces? Yes, the Square Pyramid (Shape 2) and Triangular Prism (Shape 6).
* We matched Shape 2 with A.
* We matched Shape 6 with B.
* So the 5-faced nets are accounted for?
* Net A: 5 faces (1 sq, 4 tri). Matches Shape 2.
* Net B: 5 faces (3 rect, 2 tri). Matches Shape 6.
* Net C: 5 faces (5 sq). Matches... nothing?
* Net D: 6 faces. Matches Shape 1 (Cube).
* Net E: 4 faces. Matches Shape 4.
* Net F: 3 faces (curved). Matches Shape 5.
* We have Shape 3 (Rectangular Prism, 6 faces) left.
* We have Net C (5 faces) left.
* This is a mismatch.
* *Wait*, look at Net D again. Is it possible Net D is the net for the Rectangular Prism? If the squares in Net D are actually rectangles in disguise? No, they look equal.
* Is it possible Net C is the net for the Cube? No, missing a face.
* Let's look at the provided solution in similar online worksheets. Often, Net C (the 5-square U-shape) is used as a distractor or there is a typo.
* HOWEVER, look at Shape 1 and Shape 3.
* Shape 1 is a Cube.
* Shape 3 is a Rectangular Prism.
* Net D is a valid Cube net.
* Net C is invalid for a closed prism.
* Is it possible that Net B is the Rectangular Prism? If the "triangles" are actually just poorly drawn rectangles? If B is a Rectangular Prism, then 3->B.
* Then what is 6 (Triangular Prism)?
* If 3->B, then 6 needs a net. The only net with triangles left is A and E.
* A is Square Pyramid. E is Triangular Pyramid.
* Neither fits Triangular Prism.
* So B MUST be the Triangular Prism because of the triangular flaps. So 6->B is correct.
* This forces 3->C. Why? Because it's the only one left. Even though it's geometrically incorrect (missing a face), in the context of a "match the remaining item" test, 3 must go with C.
* *Another possibility:* Did I miss a net?
* A, B, C, D, E, F.
* 1, 2, 3, 4, 5, 6.
* Pairs:
* 5 (Cylinder) -> F (Circle/Rect) [Certain]
* 4 (Tri Pyram) -> E (4 Tri) [Certain]
* 2 (Sq Pyram) -> A (Sq+4 Tri) [Certain]
* 6 (Tri Prism) -> B (3 Rect+2 Tri) [Certain due to triangle flaps]
* 1 (Cube) -> D (6 Sq) [Certain, best fit for cube]
* 3 (Rect Prism) -> C (5 Sq) [By elimination, despite error]
* Let's double check if Net C could be a net for a Square Pyramid if the base is open? No.
* Let's double check if Shape 3 could be a Square Prism (which is a cuboid)? Yes.
* Is there any interpretation where C works? If C is folded, it makes an open box. Maybe the question implies open boxes? No, Shape 5 is a closed cylinder. Shape 1 is a closed cube.
* Conclusion: The worksheet likely contains an error for Item 3/Net C, but based on elimination and the strength of the other matches, 3 pairs with C.
* *Wait*, let me look at Net D again. It has 6 squares.
* Let me look at Net C again. It has 5 squares.
* Is it possible Shape 1 is matched with C? No.
* Is it possible Shape 3 is matched with D? A rectangular prism *can* have a net of 6 rectangles. If Net D's squares are interpreted as generic quadrilaterals, it could work. But Net D is the *standard* cube net. Shape 1 is a *standard* cube. This is a very strong link.
* Shape 3 is a non-cube rectangular prism. It needs a net of 6 rectangles, not all equal. Net C has 5 equal squares. This is a terrible match.
* Is there any other option?
* What if Net B is the Rectangular Prism? (Assuming bad drawing of triangles). Then 3->B.
* Then 6 (Triangular Prism) needs a net.
* Remaining nets: C (5 sq), D (6 sq).
* Neither C nor D has triangles. So 6 cannot be matched.
* Therefore, B MUST be the Triangular Prism to provide the triangles for Shape 6.
* So 6->B is locked.
* This leaves 3->C as the only logical remainder, assuming a flaw in the question design (Net C is missing a face).
* Let's verify the matches one last time.
* 1 (Cube) -> D (6 squares)
* 2 (Square Pyramid) -> A (1 square, 4 triangles)
* 3 (Rectangular Prism) -> C (5 squares - *Error in worksheet, but only option left*)
* 4 (Triangular Pyramid) -> E (4 triangles)
* 5 (Cylinder) -> F (1 rectangle, 2 circles)
* 6 (Triangular Prism) -> B (3 rectangles, 2 triangles)
Final Check:
1-D
2-A
3-C
4-E
5-F
6-B
Final Answer:
1. D
2. A
3. C
4. E
5. F
6. B
Parent Tip: Review the logic above to help your child master the concept of polyhedron nets worksheet.