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3-D objects
Term 4
Look at the pictures.
Which group shows balls, cylinders and boxes.
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A 
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B 
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C 
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Find two pictures of each and paste them below.
Underline the correct answer.
a. A tomato is ball/box/cylinder-shaped.
b. A drinking glass is ball/box/cylinder-shaped.
c. A book is ball/box/cylinder-shaped.
Straight and curved.
Some solid objects only have flat surfaces. Others have curved surfaces.
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| A cylinder has two flat faces and one curved face. | A cone has one flat face and one curved face. | A sphere has curves only, in every direction. |
Rolling
Think about how a cylinder, cone, or sphere can roll.
Answer these questions about the 3 objects:
| a. Which one cannot roll very far? | |
| b. Which one can roll only in a straight line? | |
| c. Which one can roll in any direction? |
What is a net?
A flat shape that can fold up to make a solid figure is called a net.
A
B
Write the letter of the net that can fold up to make a cone.
Write the letter of the net that can fold up to make a cylinder.
