Measures and time · Ages 7–8

The metre: measuring and comparing worksheet

Part of: Metres and centimetres

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Measures and time · Ages 7–8

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

13.Tsz-ching measures a corridor with a 1 m stick: it fits 7 times, with 25 cm left over. How long is the corridor in centimetres?
Working:
Answer:
14.A race is 400 m long. Chi-keung has run 326 m. How many more metres to the finish?
Working:
Answer:
15.From May's home it is 117 m to the park and 255 m to the library. How much further is the library?
Working:
Answer:
16.Tsz-ching is 1 m 18 cm tall, and Ka-lok is 20 cm shorter. How tall is Ka-lok in centimetres?
Working:
Answer:
17.May is 1 m 22 cm tall, and Ming is 8 cm shorter. How tall is Ming in centimetres?
Working:
Answer:
18.From Chi-keung's home it is 290 m to the park and 444 m to the library. How much further is the library?
Working:
Answer:

Show the answers and working

The metre: measuring and comparing worksheet: Answers and working

1. 9 m
Count how many 📏 fit along the rope; each one is 1 m.
1 m fits 9 times: 9 m.
2. 460 cm
Change 5 m into centimetres first, then find the difference from 40 cm.
5 m = 500 cm, and 500 − 40 = 460.
3. 120 cm
Change 5 m into centimetres first, then find the difference from 380 cm.
5 m = 500 cm, and 500 − 380 = 120.
4. 50 cm
Change 1 m into centimetres first, then find the difference from 50 cm.
1 m = 100 cm, and 100 − 50 = 50.

5. D. m
Picture how big 🌳 really is: 1 m is about your arms stretched wide, and 1 cm about a finger's width.
Long things take metres, short things centimetres: 1 m is about your arms stretched wide.
6. D. cm
Picture how big 📎 really is: 1 m is about your arms stretched wide, and 1 cm about a finger's width.
Long things take metres, short things centimetres: 1 m is about your arms stretched wide.
7. D. m
Picture how big 🌳 really is: 1 m is about your arms stretched wide, and 1 cm about a finger's width.
Long things take metres, short things centimetres: 1 m is about your arms stretched wide.
8. C. 2 m 16 cm
Change them all into centimetres first: how many cm is 1 m? And 2 m 16 cm?
All in centimetres: 100, 183, 216, 50; then compare.
9. False
How many centimetres make 1 m? Compare 90 with that.
1 m = 100 cm: compare 90 with 100.
10. True
How many centimetres make 1 m? Compare 135 with that.
1 m = 100 cm: compare 135 with 100.
11. False
How many centimetres make 1 m? Compare 70 with that.
1 m = 100 cm: compare 70 with 100.
12. True
How many centimetres make 1 m? Compare 120 with that.
1 m = 100 cm: compare 120 with 100.

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

13. 725 cm
The stick fits 7 times, so that's 7 m. Change it to centimetres, then add the 25 cm left over.
7 m = 700 cm, and 700 + 25 = 725.
14. 74 m
The race is 400 m and Chi-keung has run 326 m. What's still to run is the difference.
400 − 326 = 74.
15. 138 m
To find how much further, take the shorter distance away from the longer one.
255 − 117 = 138.
16. 98 cm
Change 1 m 18 cm into centimetres first, then take off the 20 cm by which Ka-lok is shorter.
1 m 18 cm = 118 cm, and 118 − 20 = 98.
17. 114 cm
Change 1 m 22 cm into centimetres first, then take off the 8 cm by which Ming is shorter.
1 m 22 cm = 122 cm, and 122 − 8 = 114.
18. 154 m
To find how much further, take the shorter distance away from the longer one.
444 − 290 = 154.

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