Mass Conversion Practice (Grade 3)
A worksheet for 3rd graders to practice converting between grams and kilograms, and comparing different masses.
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Mass Conversion Practice
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Read each question carefully and follow the instructions. Remember that 1 kilogram (kg) = 1000 grams (g).
1. 3 kilograms is the same as grams.
2. 5000 grams is equal to kilograms.
3. To change kilograms to grams, you need to by 1000.
4. To change grams to kilograms, you need to by 1000.
5. Which is heavier?
2 kg
1500 g
Both are the same
Cannot tell
6. How many grams are in half a kilogram?
100 g
500 g
1000 g
2000 g
7. A bag of apples weighs 1 kg. A bag of oranges weighs 900 g. Which bag is heavier? Explain your answer.
8. Look at the balance scale below. If the apple weighs 250 grams, what is the weight of the banana in grams if the scale is balanced?
9. 4 kg = g
10. 7000 g = kg
11. 2 kg 300 g = g
12. 6500 g = kg g