Free Grade 3 Metric Units in Context Worksheets
Free Grade 3 worksheets for Metric Units in Context: 12 real questions with a full answer key and worked solutions. Metric units change by powers of 10: 10 mm in a cm, 100 cm in a m, 1000 m in a km. Multiply to convert to a smaller unit, divide to convert to a bigger one.
Free
Foundation
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify metric units in context
Identify metric units in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain metric units in context
Explain metric units in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate metric units in context
Calculate metric units in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare metric units in context
Compare metric units in context accurately in a familiar context.
Assessed by: Exit ticket of four short items
Prerequisites
Close these gaps first — each has its own free lesson, worksheet and quiz.
How Metric Units in Context works
Metric units change by powers of 10: 10 mm in a cm, 100 cm in a m, 1000 m in a km. Multiply to convert to a smaller unit, divide to convert to a bigger one.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.Convert 4 L to mL.[1]
- 2.Convert 2 cm to mm.[1]
- 3.Convert 9 km to m.[1]
- 4.Convert 4 m to cm.[1]
- 5.Convert 7.9 L to mL.[2]
- 6.Convert 4.3 m to cm.[2]
- 7.Convert 7.6 cm to mm.[2]
- 8.Convert 9.4 kg to g.[2]
- 9.Convert 9.4 cm to mm.[3]
- 10.Convert 8.4 km to m.[3]
- 11.Convert 5.9 m to cm.[3]
- 12.Convert 3.2 L to mL.[3]
Show answers and working
1. 4000 mL
1 L = 1000 mL. 4 × 1000 = 4000 mL.
2. 20 mm
1 cm = 10 mm. 2 × 10 = 20 mm.
3. 9000 m
1 km = 1000 m. 9 × 1000 = 9000 m.
4. 400 cm
1 m = 100 cm. 4 × 100 = 400 cm.
5. 7900 mL
1 L = 1000 mL. 7.9 × 1000 = 7900 mL.
6. 430 cm
1 m = 100 cm. 4.3 × 100 = 430 cm.
7. 76 mm
1 cm = 10 mm. 7.6 × 10 = 76 mm.
8. 9400 g
1 kg = 1000 g. 9.4 × 1000 = 9400 g.
9. 94 mm
1 cm = 10 mm. 9.4 × 10 = 94 mm.
10. 8400 m
1 km = 1000 m. 8.4 × 1000 = 8400 m.
11. 590 cm
1 m = 100 cm. 5.9 × 100 = 590 cm.
12. 3200 mL
1 L = 1000 mL. 3.2 × 1000 = 3200 mL.
Worked examples
Convert 7 L to mL.
- 1 L = 1000 mL.
- 7 × 1000 = 7000 mL.
- Answer: 7000 mL
Convert 5.8 kg to g.
- 1 kg = 1000 g.
- 5.8 × 1000 = 5800 g.
- Answer: 5800 g
Convert 7.3 m to cm.
- 1 m = 100 cm.
- 7.3 × 100 = 730 cm.
- Answer: 730 cm
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Divides when converting to a smaller unit.
Correction: Smaller units mean more of them — multiply.
Uses 100 for every conversion.
Correction: Learn which pairs use 10, 100 or 1000.
Teacher tips
- · Keep a conversion staircase on the wall.
Parent tips
- · Weigh fruit at the shop and convert kg to g.
Real-life applications
- · Cooking, measuring height, reading road signs.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
Every free resource for Metric Units in Context
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Frequently asked
- Is this Grade 3 Metric Units in Context worksheet really free?
- Yes. Every worksheets on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
- What should a learner already know before this?
- Start with Working with Metric Units, Introducing Metric Units, Geometry. Each one has its own free lesson, worksheet and quiz.
- How is the worksheet sequenced?
- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
- What comes next after Metric Units in Context?
- Move on to Imperial Units, Converting Units, Compound Units, which build directly on this idea.
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