Grade 3 · Math · Lesson 20

Convert Units

Converting between units means changing from one unit to another while keeping the same value. The key is knowing the conversion factor — the number that links the two units.

What this lesson teaches

1Convert centimeters to meters and meters to centimeters using the relationship 1 m = 100 cm
2Convert grams to kilograms and kilograms to grams using the relationship 1 kg = 1,000 g
3Solve simple unit-conversion problems in real-life contexts

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