Let’s go through each problem one by one. We’re converting between centimeters (cm) and millimeters (mm). Remember:
👉 1 cm = 10 mm
So to convert
cm to mm, multiply by 10.
To convert
mm to cm, divide by 10.
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1a. 6 cm = ___ mm
6 × 10 = 60 →
60 mm
1b. 9 cm = ___ mm
9 × 10 = 90 →
90 mm
---
2a. 50 mm = ___ cm
50 ÷ 10 = 5 →
5 cm
2b. 100 mm = ___ cm
100 ÷ 10 = 10 →
10 cm
---
3a. 1 cm = ___ mm
1 × 10 = 10 →
10 mm
3b. 8 cm = ___ mm
8 × 10 = 80 →
80 mm
---
4a. 70 mm = ___ cm
70 ÷ 10 = 7 →
7 cm
4b. 30 mm = ___ cm
30 ÷ 10 = 3 →
3 cm
---
5a. 40 mm = ___ cm
40 ÷ 10 = 4 →
4 cm
5b. 20 mm = ___ cm
20 ÷ 10 = 2 →
2 cm
---
6a. 50 mm = ___ cm
50 ÷ 10 = 5 →
5 cm
6b. 60 mm = ___ cm
60 ÷ 10 = 6 →
6 cm
---
7a. 80 mm = ___ cm
80 ÷ 10 = 8 →
8 cm
7b. 20 mm = ___ cm
20 ÷ 10 = 2 →
2 cm
---
8a. 80 mm = ___ cm
80 ÷ 10 = 8 →
8 cm
8b. 30 mm = ___ cm
30 ÷ 10 = 3 →
3 cm
---
9a. 3 cm = ___ mm
3 × 10 = 30 →
30 mm
9b. 8 cm = ___ mm
8 × 10 = 80 →
80 mm
---
10a. 10 mm = ___ cm
10 ÷ 10 = 1 →
1 cm
10b. 10 cm = ___ mm
10 × 10 = 100 →
100 mm
---
Final Answer:
1a. 60 mm
1b. 90 mm
2a. 5 cm
2b. 10 cm
3a. 10 mm
3b. 80 mm
4a. 7 cm
4b. 3 cm
5a. 4 cm
5b. 2 cm
6a. 5 cm
6b. 6 cm
7a. 8 cm
7b. 2 cm
8a. 8 cm
8b. 3 cm
9a. 30 mm
9b. 80 mm
10a. 1 cm
10b. 100 mm
Parent Tip: Review the logic above to help your child master the concept of measurement worksheet grade 7.
