Mass Word Problems (Grams and Kilograms) Worksheets for 3rd Grade
Story problems about the mass of everyday things, in grams or kilograms. 15 free printable worksheets, each with an answer key.
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Click a worksheet to open the PDF, or grab the matching answer key. Every sheet prints on one page.
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Mass Word Problems (Grams and Kilograms): what children learn
Students add, subtract, multiply, and divide masses given in grams or in kilograms. A problem never mixes the two units, so the answer is in the unit named in the question.
Mass Word Problems (Grams and Kilograms): worked example
A bag of rice weighs 450 grams. A bag of flour weighs 300 grams. How many grams do the two bags weigh together? 750
Join the two masses. 450 + 300 = 750, so the two bags weigh 750 grams together.
Mass Word Problems (Grams and Kilograms): a common mistake to watch for
Kids sometimes mix up grams and kilograms, forgetting that a kilogram is a much bigger unit than a gram.
Mass Word Problems (Grams and Kilograms): how to help at home or in class
Weigh things on a kitchen scale: a bag of flour, a banana, a pencil. Have your child guess before reading the scale, deciding whether grams or kilograms fits best. Then turn the findings into story questions, such as the total of two items or the difference between them. A feel for sizes makes silly answers stand out. When they pick a sensible unit and solve with it, they are ready for liquid volume.
What is on these Mass Word Problems (Grams and Kilograms) worksheets
This set has 15 different worksheets for 3rd grade, with 5 questions on each and a matching answer key for every sheet. The instruction printed on each worksheet is: “Read each story. Write the answer.”
Example questions like the ones on these worksheets, with their answers:
- Nina buys 9 kilograms of rice and 3 kilograms of oats. How many kilograms is that in all?12
- A bag of beans weighs 313 grams. A bag of oats weighs 200 grams. How many grams heavier is the bag of beans?113
- A bag of carrots weighs 10 kilograms. Ravi uses 5 kilograms. How many kilograms of carrots are left?5
- A goat weighs 30 kilograms. A rabbit weighs 2 kilograms. How many kilograms do they weigh together?32
- A bag of apples weighs 9 kilograms. A bag of rice weighs 4 kilograms. How many kilograms do the two bags weigh together?13
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