Shape and space · Ages 6–7

2-D shapes worksheet

Part of: Solids, flat shapes and position

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Shape and space · Ages 6–7

Numsprite
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Name:Date:Score:／48

Write each answer in the space. For word problems, show your working and write a sentence answer.

1.How many sides does this shape have?
Answer:
2.The shapes are made of sticks, one stick a side. How many sticks are used?
Answer:
3.Squares in a row are made of sticks; the picture shows 2. How many sticks make 7 squares in a row like this?
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4.Squares in a row are made of sticks; the picture shows 2. How many sticks make 4 squares in a row like this?
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5.Squares in a row are made of sticks; the picture shows 2. How many sticks make 6 squares in a row like this?
Answer:
6.Squares in a row are made of sticks; the picture shows 2. How many sticks make 8 squares in a row like this?
Answer:
7.Squares in a row are made of sticks; the picture shows 2. How many sticks make 3 squares in a row like this?
Answer:

13.Ka-lok makes a row of joined triangles from sticks, one pointing up, the next down, neighbours sharing a stick. With 8 triangles, how many sticks are used?
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14.Ka-lok has 9 sticks and makes a shape with 4 sides. How many sticks are left?
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15.Tsz-hin makes 4 separate triangles and 3 separate squares from sticks. How many sticks is that?
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16.Tsz-hin makes a row of joined triangles from sticks, one pointing up, the next down, neighbours sharing a stick. With 6 triangles, how many sticks are used?
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17.Ka-lok has 15 sticks and makes a shape with 6 sides. How many sticks are left?
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18.Ka-yee makes 1 separate triangles and 2 separate squares from sticks. How many sticks is that?
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Show the answers and working

2-D shapes worksheet: Answers and working

1. 4 sides
Start at a corner and go round the shape, counting each side and marking it as you go.
Count the sides one by one going round: 4.
2. 12 sticks
Count stick by stick, marking each one. A side shared by two shapes is just one stick.
Count stick by stick, a shared side once: 12.
3. 22 sticks
The first square takes 4 sticks. Each square after shares a side, so how many more does it need?
The first square takes 4, and each one after only 3 more: 4 + 3 + 3 … = 22.
4. 13 sticks
The first square takes 4 sticks. Each square after shares a side, so how many more does it need?
The first square takes 4, and each one after only 3 more: 4 + 3 + 3 … = 13.
5. 19 sticks
The first square takes 4 sticks. Each square after shares a side, so how many more does it need?
The first square takes 4, and each one after only 3 more: 4 + 3 + 3 … = 19.
6. 25 sticks
The first square takes 4 sticks. Each square after shares a side, so how many more does it need?
The first square takes 4, and each one after only 3 more: 4 + 3 + 3 … = 25.
7. 10 sticks
The first square takes 4 sticks. Each square after shares a side, so how many more does it need?
The first square takes 4, and each one after only 3 more: 4 + 3 + 3 … = 10.

8. D. Quadrilateral
First count how many straight sides the shape has.
A shape is named by its number of straight sides; 3 sides is a triangle.
9. False
Count the corners going round. How does the number of corners compare with the number of sides?
As many corners as sides: 4.
10. D
A quadrilateral has 4 straight sides. Count the sides of each shape.
Any shape with 4 straight sides is a quadrilateral, squares and rectangles included.
11. False
Count the corners going round. How does the number of corners compare with the number of sides?
As many corners as sides: 6.
12. False
Count the corners going round. How does the number of corners compare with the number of sides?
As many corners as sides: 3.

Marking: 2 for the working, 1 for the answer, 1 for the sentence.

13. 17 sticks
The first triangle takes 3 sticks. Each one after shares a stick, so how many more does it need?
The first takes 3, each after only 2 more: 3 + 2 + 2 … = 17.
14. 5 sticks
How many sides does a shape with 4 sides use? Each side takes one stick, so how many of the 9 are left?
A 4-sided shape uses 4 sticks: 9 − 4 = 5.
15. 24 sticks
A triangle takes 3 sticks and a square 4. Work them out separately, then add.
Triangles 3 each: 12; squares 4 each: 12; 24 in all.
16. 13 sticks
The first triangle takes 3 sticks. Each one after shares a stick, so how many more does it need?
The first takes 3, each after only 2 more: 3 + 2 + 2 … = 13.
17. 9 sticks
How many sides does a shape with 6 sides use? Each side takes one stick, so how many of the 15 are left?
A 6-sided shape uses 6 sticks: 15 − 6 = 9.
18. 11 sticks
A triangle takes 3 sticks and a square 4. Work them out separately, then add.
Triangles 3 each: 3; squares 4 each: 8; 11 in all.

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