Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Estimate and Measure Mass


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Estimate and Measure Mass

Choose the unit you would use to measure the mass. Write gram or kilogram.

Compare the masses of the objects. Write is less than,
is the same as, or is more than.

  • Question 7 (request help)

  • The mass of the candle   the mass of the light bulb.
  • Question 8 (request help)

  • The mass of the watch   the mass of the necklace.

Problem Solving

  • Question 9 (request help)

    A red ball has a mass that is less than 1 kilogram. A blue ball has a mass of 1 kilogram. Is the mass of the blue ball more than or less than the mass of the red ball?
  • The mass of the blue ball is   the mass of the red ball
  • Question 10 (request help)

    Brock’s dog is a collie. To find the mass of his dog, should Brock use grams or kilograms?
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