Second Grade Geometry - Free Printable

Let’s go step by step to figure out which shapes to shade and what color each should be.

We are told:
- Prisms → yellow
(Remember: cubes and cuboids are types of prisms!)
- Spheres → blue
- Cones → red
- Pyramids → green

Also, note: some shapes at the bottom have question marks — those are not 3D shapes we’re supposed to shade. The L-shaped flat shape is also 2D — ignore it.

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Let’s list all the 3D shapes in order (row by row):

Row 1:
1. Pyramid with triangular base → pyramid → green
2. Sphere (with a dot) → sphere → blue
3. Cone → cone → red
4. Cube → prism → yellow

Row 2:
5. Rectangular prism (tall) → prism → yellow
6. Sphere → sphere → blue
7. Square pyramid → pyramid → green
8. Cylinder → Wait! Cylinders are NOT listed in our categories. But look back: the instructions only say to shade prisms, spheres, cones, pyramids. So cylinder? Not mentioned → leave unshaded? Actually, let’s check again.

Wait — the instruction says: “Shade in the 3d shapes as follows” and lists only those four types. So if a shape isn’t one of those, we don’t shade it? But cylinders are common 3D shapes... Hmm.

Actually, looking at the worksheet title: “IDENTIFY 3D SHAPES SHEET 1”, and the key only gives colors for prisms, spheres, cones, pyramids. So probably, we only shade those four types. Cylinders might be left blank? But wait — maybe I missed something.

Hold on — let me re-read: “prisms - yellow, spheres - blue, cones - red, pyramids - green.” It doesn’t mention cylinders. So unless specified, we don’t shade them? But that seems odd.

Wait — actually, in many curricula, cylinders are sometimes grouped under “prisms” loosely? No — technically, a prism has flat faces and polygonal bases. A cylinder has curved surfaces — so it’s not a prism.

But let’s look at the actual shapes given:

In Row 2, shape #8 is a cylinder → not in our list → leave unshaded? But then why include it? Maybe the worksheet expects us to know that cylinders are not among the shaded types? Or perhaps there’s a mistake?

Wait — let’s check Row 3:

Row 3:
9. Cylinder (lying down) → again, not in our list → leave unshaded?
10. Cuboid (rectangular box) → this is a prism → yellow
11. Triangular prism → yes! This is a prism → yellow

Row 4:
12. Circle with ? → not 3D → skip
13. Cone (flat base shown) → cone → red
14. L-shape → 2D → skip
15. Sphere → sphere → blue
16. Circle with ? → not 3D → skip

So now, let’s tally up which ones get shaded:

✔ Green (pyramids):
- Shape 1 (triangular pyramid)
- Shape 7 (square pyramid)

✔ Blue (spheres):
- Shape 2
- Shape 6
- Shape 15

✔ Red (cones):
- Shape 3
- Shape 13

✔ Yellow (prisms):
- Shape 4 (cube)
- Shape 5 (rectangular prism)
- Shape 10 (cuboid)
- Shape 11 (triangular prism)

What about the two cylinders (shapes 8 and 9)? They are 3D but not in the shading list → so we do NOT shade them. That must be intentional — maybe to test if students notice they’re not included.

Also, the two circles with question marks and the L-shape are not 3D → ignore.

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Now, double-check:

Total shapes to shade:

Pyramids (green): 2
Spheres (blue): 3
Cones (red): 2
Prisms (yellow): 4

That’s 11 shapes total to shade.

List with positions (for clarity):

Top row, left to right:
1. Pyramid → green
2. Sphere → blue
3. Cone → red
4. Cube → yellow

Second row:
5. Tall rectangular prism → yellow
6. Sphere → blue
7. Square pyramid → green
8. Cylinder → NO SHADE

Third row:
9. Horizontal cylinder → NO SHADE
10. Cuboid → yellow
11. Triangular prism → yellow

Fourth row:
12. ? circle → skip
13. Cone → red
14. L-shape → skip
15. Sphere → blue
16. ? circle → skip

Perfect.

Final Answer:
Shade the following shapes with these colors:

- Green: The two pyramids (first shape top row, third shape second row)
- Blue: The three spheres (second shape top row, second shape second row, fourth shape bottom row)
- Red: The two cones (third shape top row, second shape bottom row)
- Yellow: The four prisms — cube (fourth top), tall rectangle (first second), cuboid (second third), triangle prism (third third)

Do not shade the two cylinders or any 2D/question mark shapes.