Shape and space · Ages 6–7

Straight and curved lines 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 straight lines are in the picture?
Answer:
2.Ka-yee marks 4 points along a line and joins each pair of neighbouring points with a ruler. How many short straight lines does Ka-yee draw?
Answer:
3.Ka-yee marks 3 points along a line and joins each pair of neighbouring points with a ruler. How many short straight lines does Ka-yee draw?
Answer:
4.Tsz-ching marks 11 points along a line and joins each pair of neighbouring points with a ruler. How many short straight lines does Tsz-ching draw?
Answer:
5.Chi-keung marks 6 points along a line and joins each pair of neighbouring points with a ruler. How many short straight lines does Chi-keung draw?
Answer:

6.Which one is a straight line?
- A. C
- B. A
- C. D
- D. B
Choose the right answer
Answer:
7.Which one is a curved line?
- A. A
- B. D
- C. C
- D. B
Choose the right answer
Answer:
8.Through the two points 🦆 and 📏, you can draw exactly 3 straight line(s).
True or false?
Answer:
9.Through the two points 🚌 and 🍎, you can draw exactly 1 straight line(s).
True or false?
Answer:
10.Through the two points ⚽ and ⭐, you can draw exactly 1 straight line(s).
True or false?
Answer:
11.Through the two points 🐸 and 🌸, you can draw exactly 3 straight line(s).
True or false?
Answer:
12.Through the two points 🦆 and 🐵, you can draw exactly 1 straight line(s).
True or false?
Answer:

13.Tsz-hin lays 2 sticks of the same length end to end in a straight line. Each is 10 cm long. How long is the line?
Working:
Answer:
14.In a drawing Tsz-ching draws 6 straight lines and 9 curved lines. How many lines is that?
Working:
Answer:
15.Chi-keung draws a line along the edge of a ruler. What kind of line is it?
- A. A curved line
- B. A point
- C. A straight line
- D. A circle
Choose the right answer
Working:
Answer:
16.In a drawing Tsz-ching draws 7 straight lines and 8 curved lines. How many lines is that?
Working:
Answer:
17.Ka-yan draws a line along the edge of a ruler. What kind of line is it?
- A. A circle
- B. A point
- C. A straight line
- D. A curved line
Choose the right answer
Working:
Answer:
18.Ka-yee lays 3 sticks of the same length end to end in a straight line. Each is 5 cm long. How long is the line?
Working:
Answer:

Show the answers and working

Straight and curved lines worksheet: Answers and working

1. 4 lines
Check each line: straight or bending? Count only the straight ones, ticking each as you go.
Look at each: straight or bending. There are 4 straight lines.
2. 3 lines
Try a smaller case first, like three points: how many lines is that? See how points and lines compare.
One line between each pair of neighbours: one fewer line than points, 4 − 1 = 3.
3. 2 lines
Try a smaller case first, like three points: how many lines is that? See how points and lines compare.
One line between each pair of neighbours: one fewer line than points, 3 − 1 = 2.
4. 10 lines
Try a smaller case first, like three points: how many lines is that? See how points and lines compare.
One line between each pair of neighbours: one fewer line than points, 11 − 1 = 10.
5. 5 lines
Try a smaller case first, like three points: how many lines is that? See how points and lines compare.
One line between each pair of neighbours: one fewer line than points, 6 − 1 = 5.

6. A. C
Imagine laying a ruler along each line: which one follows the ruler all the way?
A straight line has no bends and follows a ruler all the way.
7. D. B
Imagine laying a ruler along each line: which one bends away from the ruler?
A curved line bends and won't follow a ruler.
8. False
Join the two points with a ruler. Could you draw a different straight line through both of them?
Join two points with a ruler: only one straight line goes through both.
9. True
Join the two points with a ruler. Could you draw a different straight line through both of them?
Join two points with a ruler: only one straight line goes through both.
10. True
Join the two points with a ruler. Could you draw a different straight line through both of them?
Join two points with a ruler: only one straight line goes through both.
11. False
Join the two points with a ruler. Could you draw a different straight line through both of them?
Join two points with a ruler: only one straight line goes through both.
12. True
Join the two points with a ruler. Could you draw a different straight line through both of them?
Join two points with a ruler: only one straight line goes through both.

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

13. 20 cm
Each stick is 10 cm and there are 2. Count in 10s, 2 times.
Count in 10s, 2 times: 20 cm.
14. 15 lines
It asks for all the lines, so count the straight ones and the curved ones.
Straight and curved together: 6 + 9 = 15.
15. C. A straight line
What is a ruler's edge like? Drawing along it, would the line bend?
Drawn along a ruler's straight edge, the line is straight.
16. 15 lines
It asks for all the lines, so count the straight ones and the curved ones.
Straight and curved together: 7 + 8 = 15.
17. C. A straight line
What is a ruler's edge like? Drawing along it, would the line bend?
Drawn along a ruler's straight edge, the line is straight.
18. 15 cm
Each stick is 5 cm and there are 3. Count in 5s, 3 times.
Count in 5s, 3 times: 15 cm.

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