3rd Grade Metric Conversions Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 3rd Grade units & conversions worksheet.
3rd Grade Metric Conversions Worksheet — Level 2 — Practice Set 2 — Answers
Remember: 1 cm = 10 mm, 1 m = 100 cm, 1 km = 1000 m, 1 kg = 1000 g, 1 L = 1000 mL.
1.40.25 m = (answer space) cm
Answer: 4025
Multiply by 100
2.1150 cm = (answer space) m
Answer: 11.5
Divide by 100
3.22500 g = (answer space) kg
Answer: 22.5
Divide by 1000
4.1550 cm = (answer space) m
Answer: 15.5
Divide by 100
5.20.5 m = (answer space) cm
Answer: 2050
Multiply by 100
6.24.5 km = (answer space) m
Answer: 24500
Multiply by 1000
7.31.25 L = (answer space) mL
Answer: 31250
Multiply by 1000
8.31.25 m = (answer space) mm
Answer: 31250
Multiply by 1000
9.49 kg = (answer space) g
Answer: 49000
Multiply by 1000
10.4100 mm = (answer space) m
Answer: 4.1
Divide by 1000
11.3110 cm = (answer space) m
Answer: 31.1
Divide by 100
12.17.5 L = (answer space) mL
Answer: 17500
Multiply by 1000
13.19.25 km = (answer space) m
Answer: 19250
Multiply by 1000
14.352.5 mm = (answer space) cm
Answer: 35.25
Divide by 10
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.
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