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Mathematics questions, unit 7
Nama / NameKelas / ClassTarikh / Date

Shapes

25 marks. Use Practice to check each answer as you go, or Exam to answer everything against the clock first.

Section A: objective questions

15 marks
Choose the correct answer.
1

Question 1

Which 3-D shape is a ball?
Show answerHide answer
A
A ball is round all over: a sphere.
For the teacher: Remembering, low difficulty, standard 7.1.1
Textbook p. 63
2

Question 2

Diagram 1 shows a 3-D shape like a tissue box. What is it?
A cuboid
Diagram 1
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B
A tissue box is a cuboid.
For the teacher: Remembering, low difficulty, standard 7.1.1
Textbook p. 62
3

Question 3

All the faces are the same size. Which shape is this?
Show answerHide answer
C
A cube has 6 flat faces, all the same size.
For the teacher: Remembering, low difficulty, standard 7.1.2
Textbook p. 64
4

Question 4

Which shape has 1 curved face and no flat face?
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D
A cone has a flat face too, and a cylinder has 2. Only a sphere has just 1 curved face.
For the teacher: Understanding, medium difficulty, standard 7.1.2
Textbook p. 65
5

Question 5

Diagram 2 shows a cone. How many vertices does it have?
A cone
Diagram 2
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C
A cone has 1 vertex, at its tip.
For the teacher: Remembering, low difficulty, standard 7.1.2
Textbook p. 65
6

Question 6

Diagram 3 shows a cylinder. How many flat faces does it have?
A cylinder
Diagram 3
Show answerHide answer
D
A cylinder has 2 flat faces (top and bottom) and 1 curved face.
For the teacher: Remembering, low difficulty, standard 7.1.2
Textbook p. 65
7

Question 7

A pyramid has ______ vertices.
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A
The pyramid has 5 flat faces and 5 vertices.
For the teacher: Remembering, low difficulty, standard 7.1.2
Textbook p. 64
8

Question 8

Which thing is a cylinder?
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B
A tin can is a cylinder. A ball is a sphere, a dice is a cube, a party hat is a cone.
For the teacher: Understanding, low difficulty, standard 7.1.1
Textbook p. 63
9

Question 9

Diagram 4 shows a 2-D shape. What is it?
A triangle
Diagram 4
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D
It has 3 straight sides and 3 corners: a triangle.
For the teacher: Remembering, low difficulty, standard 7.2.1
Textbook p. 68
10

Question 10

Which 2-D shape has 1 curved side and no corner?
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C
Only the circle has a curved side.
For the teacher: Understanding, low difficulty, standard 7.2.2
Textbook p. 69
11

Question 11

A triangle has ______ corners.
Show answerHide answer
A
A triangle has 3 straight sides and 3 corners.
For the teacher: Remembering, low difficulty, standard 7.2.2
Textbook p. 69
12

Question 12

Diagram 5 shows a pattern of 3-D shapes. What is the missing shape?
Pattern: cube, cone, cube, cone, missing shape
Diagram 5
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B
The pattern is cube, cone, cube, cone. The missing shape is a cube.
For the teacher: Applying, medium difficulty, standard 7.1.3
Textbook p. 66
13

Question 13

Diagram 6 shows a pattern. What is the 8th shape?
Pattern of circle, square and triangle with the 8th shape missing
Diagram 6
Show answerHide answer
C
The pattern is circle, square, triangle. Shapes 7 and 8 are circle, square. The 8th shape is a square.
For the teacher: Applying, medium difficulty, standard 7.2.3
Textbook p. 70
14

Question 14

You trace round the top of a cylinder. Which 2-D shape do you get?
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D
The top of a cylinder is a flat circle.
For the teacher: Understanding, medium difficulty, standard 7.2.1
Textbook p. 68
15

Question 15

A castle model has 2 cones, 3 cylinders, 2 cubes, 1 cuboid and 1 pyramid. How many 3-D shapes are there?
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A
2 + 3 + 2 + 1 + 1 = 9.
For the teacher: Applying, medium difficulty, standard 7.1.4
Textbook p. 67

Section B: structured questions

10 marks
Answer all questions.
16

Question 16

Diagram 7 shows a 3-D shape.
A cube
Diagram 7
[1 mark] (a)Name the shape.
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Tick each point you got.
[1 mark] (b)How many flat faces does it have?
Show answerHide answer
Tick each point you got.
[1 mark] (c)How many vertices does it have?
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Tick each point you got.
[1 mark] (d)How many straight edges does it have?
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Tick each point you got.
For the teacher: Remembering, low difficulty, standard 7.1.2
Textbook p. 64
17

Question 17

Diagram 8 shows three 2-D shapes. Name each shape.
A square P, a circle Q and a triangle R
Diagram 8
[1 mark] (a)Shape P
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Tick each point you got.
[1 mark] (b)Shape Q
Show answerHide answer
Tick each point you got.
[1 mark] (c)Shape R
Show answerHide answer
Tick each point you got.
For the teacher: Remembering, low difficulty, standard 7.2.1
Textbook p. 68
18

Question 18

Azri chooses two 2-D shapes. The two shapes have 7 sides in all. One shape is a triangle.
[1 mark] (a)How many sides does a triangle have?
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Tick each point you got.
[1 mark] (b)How many sides does the other shape have?
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Tick each point you got.
[1 mark] (c)Name a shape that has this many sides.
Show answerHide answer
Tick each point you got.
For the teacher: Applying, high difficulty, standard 7.3.1
Textbook p. 73