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Geometry, NAP-J2-22

Cleopatra uses balls and sticks to make a model of a triangular pyramid.

Each stick is the same length.
 

 
She decides to change her model into a cube.

How many more balls and sticks will Cleopatra need to make the cube?

    more balls
    more sticks
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`text(4 more balls)`

`text(6 more sticks)`

Show Worked Solution

`text(A cube requires 8 balls and 12 sticks.)`

`:.\ text(Cleopatra needs 4 more balls and 6 more sticks.)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 6, smc-3121-20-3D objects, smc-695-20-3D objects

Geometry, NAP-B2-04

This 3D object pictured above is a

 
`text(cube)`
 
`text(cylinder)`
 
`text(rectangle)`
 
`text(sphere)`
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`text(cylinder)`

Show Worked Solution

`text(cylinder)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 3, smc-3121-20-3D objects, smc-695-20-3D objects

Geometry, NAP-C2-03

Ryan joined two blocks together to make the object pictured below.
 

 
He used a rectangular prism and a

 

 

square pyramid
 
triangular pyramid
 
triangular prism
 
cube 
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`text(triangular prism)`

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`text(triangular prism)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 4, smc-3121-20-3D objects, smc-695-20-3D objects

Geometry, NAP-G2-06

Pablo is part of the way through making a cube using plasticine balls and sticks, as shown below.
 

 
How many more sticks does Pablo need to finish the cube?

`3` `4` `5` `6` `8`
 
 
 
 
 
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`4`

Show Worked Solution

`text(The extra sticks needed = 4)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 3, smc-3121-20-3D objects, smc-3121-40-Faces and edges, smc-695-20-3D objects, smc-695-40-Faces and edges

Geometry, NAP-D2-12

Ruby made a 3D object using only hexagons and rectangles as faces.

Which object could she have made?

 
 
 
 
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Show Worked Solution

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 5, smc-3121-20-3D objects, smc-3121-40-Faces and edges, smc-695-20-3D objects, smc-695-40-Faces and edges

Geometry, NAP-D2-11

 

 
All these objects are most like

`text(cubes.)` `text(prisms.)` `text(triangles.)` `text(pyramids.)`
 
 
 
 
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`text(prisms.)`

Show Worked Solution

`text(All objects pictured are prisms.)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 5, smc-3121-20-3D objects, smc-695-20-3D objects

Geometry, NAP-D2-09

A solid 3D cone is cut horizontally as shown below.
 

 
What shape is the inside face of the cut?

 
 
 
 
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Show Worked Solution

`text(Any horizontal cut of a cone will result in a circle)`

`text(at the inside face of the cut.)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 5, smc-3121-20-3D objects, smc-695-20-3D objects

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