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Geometry, NAP-C1-35 SA

A triangular prism is made using all of these faces.
 


 

How many edges does it have?

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`9`

Show Worked Solution

`text(Total edges)` `= 3 + 3 + 3`
  `= 9`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 9, smc-3050-40-Faces and edges, smc-704-40-Faces and edges

Geometry, NAP-B1-22

This is a solid 3D object.

How many faces does the object have?

`7` `10` `12` `14`
 
 
 
 
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`12`

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`12`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 5, smc-3050-40-Faces and edges, smc-704-40-Faces and edges

Geometry, NAP-E1-30 SA

Siro makes an object by putting 12 cubes together.
 


 

He then paints the object.

He separates each cube again after painting on all sides except where it sits on the ground.

How many cubes have paint on only two faces?

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`6`

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`text(The corner cubes will be painted on 3 sides.)`

`text(The two middle cubes will be pained on 1 side.)`

`=>\ text(The edge cubes not on the corners will each)`

 `text(be painted on two sides.)`

`=>\ text(6 cubes have paint only on 2 sides.)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 7, smc-3050-40-Faces and edges, smc-704-40-Faces and edges

Geometry, NAP-E1-26

These shapes are the five faces of a 3D object.

What is the name of the object?

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

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`text(square pyramid)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 5, smc-3050-20-3D objects, smc-3050-40-Faces and edges, smc-704-20-3D objects, smc-704-40-Faces and edges

Geometry, NAP-G1-31

Perry has two blocks.
 

 
He joins them to form the solid shape below.
 

 
How many edges does the T-shaped object have?

`14` `15` `16` `24`
 
 
 
 
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`24`

Show Worked Solution

`text(8 edges on the top face.)`

`text(8 edges on the bottom face.)`

`text(8 edges joining the top and bottom faces.)`

`=> 24\ text(faces in total)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 7, smc-3050-40-Faces and edges, smc-704-40-Faces and edges

Geometry, NAP-F1-23

How many edges does this object have?

`5` `7` `12` `15`
 
 
 
 
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`15`

Show Worked Solution

`text(5 edges on top)`

`text(5 edges on bottom)`

`text(5 edges joining top and bottom)`

 

`:.\ text(Total edges)` `=  5 + 5 + 5`
  `= 15`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 5, smc-3050-40-Faces and edges, smc-704-40-Faces and edges

Geometry, NAP-G1-11

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-3050-20-3D objects, smc-3050-40-Faces and edges, smc-704-20-3D objects, smc-704-40-Faces and edges

Geometry, NAP-H1-19

How many faces does this prism have?

`4` `6` `7` `10` `12`
 
 
 
 
 
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`6`

Show Worked Solution

`text(The prism has a front and back face, plus 4)`

`text(rectangular faces connecting them.)`

`:.\ text(It has 6 faces.)`

Filed Under: 2D-3D Shapes, 2D-3D Shapes Tagged With: Band 5, smc-3050-40-Faces and edges, smc-704-40-Faces and edges

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