3rd Grade Metric Conversions Worksheet — Level 2 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 3rd Grade units & conversions worksheet.
3rd Grade Metric Conversions Worksheet — Level 2 — Practice Set 3 — Answers
Remember: 1 cm = 10 mm, 1 m = 100 cm, 1 km = 1000 m, 1 kg = 1000 g, 1 L = 1000 mL.
1.10.25 cm = (answer space) mm
Answer: 102.5
Multiply by 10
2.1800 cm = (answer space) m
Answer: 18
Divide by 100
3.15.1 cm = (answer space) mm
Answer: 151
Multiply by 10
4.42.1 kg = (answer space) g
Answer: 42100
Multiply by 1000
5.7500 g = (answer space) kg
Answer: 7.5
Divide by 1000
6.2250 mL = (answer space) L
Answer: 2.25
Divide by 1000
7.38.25 km = (answer space) m
Answer: 38250
Multiply by 1000
8.34.1 kg = (answer space) g
Answer: 34100
Multiply by 1000
9.20.5 L = (answer space) mL
Answer: 20500
Multiply by 1000
10.24.5 cm = (answer space) mm
Answer: 245
Multiply by 10
11.46 m = (answer space) cm
Answer: 4600
Multiply by 100
12.39.25 kg = (answer space) g
Answer: 39250
Multiply by 1000
13.481 mm = (answer space) cm
Answer: 48.1
Divide by 10
14.20.25 L = (answer space) mL
Answer: 20250
Multiply by 1000
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.
Great work. Here's what to try next: