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

Free · 7 lessons by email

Try the curriculum — one lesson per subject.

Pick your grade. We'll send you one free lesson from each of the 7 subjects, over 7 days. No account, no credit card.

Already convinced? See full membership plans →