Lesson: Comparing Masses in Grams or Kilograms Mathematics • 3rd Grade

In this lesson, we will learn how to use scales to measure the mass of objects in grams or kilograms and compare the masses of two objects.

Lesson Video

Q1:

Benjamin weighed his cat and his dog.

Which is lighter?

How many kilograms lighter is it?

Q2:

Fill in the blank: The mass of the box of books is kg heavier than the mass of the box of toys.

Q3:

Scarlett weighed a chick.

Then, she weighed an egg.

Which is heavier?

How many grams heavier is the chick than the egg?