Let’s go through each shape one by one and count the cubes carefully.
We’ll look at how many cubes are in each layer, then multiply by the number of layers (or just count row by row if it’s easier).
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1)
This shape is 3 cubes long, 2 cubes wide, and 2 cubes high.
So: 3 × 2 × 2 =
12 cubes
Check: Top layer has 3×2 = 6 cubes. Bottom layer also has 6. Total = 6 + 6 = 12
✔
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2)
This shape is 4 cubes long, 1 cube wide, and 3 cubes high.
So: 4 × 1 × 3 =
12 cubes
Check: Each vertical column has 3 cubes. There are 4 columns → 4 × 3 = 12
✔
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3)
This shape is 3 cubes long, 2 cubes wide, and 3 cubes high.
So: 3 × 2 × 3 =
18 cubes
Check: Each layer (top, middle, bottom) has 3×2 = 6 cubes. 3 layers → 6 × 3 = 18
✔
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4)
This shape is 1 cube long, 2 cubes wide, and 5 cubes high.
So: 1 × 2 × 5 =
10 cubes
Check: Two columns side by side, each 5 tall → 5 + 5 = 10
✔
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5)
This shape is 5 cubes long, 2 cubes wide, and 3 cubes high.
So: 5 × 2 × 3 =
30 cubes
Check: One layer has 5×2 = 10 cubes. Three layers → 10 × 3 = 30
✔
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6)
This shape is 4 cubes long, 3 cubes wide, and 3 cubes high.
So: 4 × 3 × 3 =
36 cubes
Check: One layer has 4×3 = 12 cubes. Three layers → 12 × 3 = 36
✔
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7)
This shape is 5 cubes long, 4 cubes wide, and 2 cubes high.
So: 5 × 4 × 2 =
40 cubes
Check: One layer has 5×4 = 20 cubes. Two layers → 20 × 2 = 40
✔
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8)
This shape is 4 cubes long, 3 cubes wide, and 2 cubes high.
So: 4 × 3 × 2 =
24 cubes
Check: One layer has 4×3 = 12 cubes. Two layers → 12 × 2 = 24
✔
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Final Answer:
1) 12
2) 12
3) 18
4) 10
5) 30
6) 36
7) 40
8) 24
Parent Tip: Review the logic above to help your child master the concept of cubes worksheet.
