SLICING 3D SHAPES WORKSHEET (Activity 3)



SLICING 3D SHAPES

• Circle “Prism or Pyramid”

• Identify the shape of the base

• Name the three-dimensional shape

• Identify the shape of the cross-section after it has been sliced.

(

I can explain the two-dimensional cross-section created by slicing a 3D shape.

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|PRISM / PYRAMID | |PRISM / PYRAMID |

|[pic] | |[pic] |

| | | |

|Shape of base : _________________________________ | |Shape of base : ________________________________ |

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|Name of the 3D shape : ______________________________ | |Name of the 3D shape : ______________________________ |

| | | |

| | | |

|Cross-section (if sliced the way you see above) : | |Cross-section : ______________________________ |

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|______________________________ | | |

| | | |

| | | |

| | | |

| | | |

|PRISM / PYRAMID | |PRISM / PYRAMID |

|[pic] | |[pic](Any horizontal slice) |

| | | |

|Shape of base : _________________________________ | | |

| | |Shape of base : ________________________________ |

|Name of the 3D shape : ______________________________ | | |

| | |Name of the 3D shape : ______________________________ |

| | | |

|Cross-section: ______________________________ | | |

| | |Cross-section: ______________________________ |

| | | |

|PRISM / PYRAMID | |PRISM / PYRAMID |

|[pic] | |[pic] |

| | | |

|Shape of base : _________________________________ | |Shape of base : ________________________________ |

| | | |

|Name of the 3D shape : ______________________________ | |Name of the 3D shape : ______________________________ |

| | | |

| | | |

|Cross-section: ______________________________ | |Cross-section: ______________________________ |

| | | |

|PRISM / PYRAMID | |PRISM / PYRAMID |

|[pic] | |[pic] |

| | | |

|Shape of base : _________________________________ | |Shape of base : ________________________________ |

| | | |

|Name of the 3D shape : ______________________________ | |Name of the 3D shape : ______________________________ |

| | | |

| | | |

|Cross-section: ______________________________ | |Cross-section: ______________________________ |

9) What shape would you see if you sliced a rectangular pyramid vertically right through the top vertex?

10) If a triangular prism was standing on its triangular base, what shape(s) would you get if you sliced it vertically?

11) What shape would you see if you sliced a triangular pyramid vertically right through the top vertex?

12) What shape would you see if you sliced a triangular pyramid vertically, but not necessarily through the vertex?

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