Measuring Mass: Grams and Kilograms Worksheet

Question 1

Circle the better unit to measure the mass of a pencil: grams or kilograms. Explain your choice.

Accepted Answer

Grams are the better unit because a pencil is light.

Question 2

Circle the better unit to measure the mass of a full backpack: grams or kilograms. Explain your choice.

Accepted Answer

Kilograms are the better unit because a full backpack is heavy.

Question 3

A bag of apples has a mass of 3 kilograms. A bag of oranges has a mass of 2 kilograms. Which bag has the greater mass?

Accepted Answer

The bag of apples has the greater mass because 3 kilograms is more than 2 kilograms.

Question 4

A marker has a mass of 12 grams. An eraser has a mass of 25 grams. How much greater is the mass of the eraser than the marker?

Accepted Answer

The eraser has 13 grams more mass than the marker because 25 - 12 = 13.

Question 5

One kilogram is equal to 1,000 grams. How many grams are in 2 kilograms?

Accepted Answer

There are 2,000 grams in 2 kilograms because 1,000 + 1,000 = 2,000.

Question 6

Look at a balance scale. The left side has a toy car labeled 80 g. The right side has a toy train labeled 120 g. Which object has the greater mass?

Accepted Answer

The toy train has the greater mass because 120 grams is more than 80 grams.

Question 7

Write g or kg to complete the sentence: A watermelon has a mass of about 4 ____.

Accepted Answer

A watermelon has a mass of about 4 kg because it is a heavy object.

Question 8

Write g or kg to complete the sentence: A paper clip has a mass of about 1 ____.

Accepted Answer

A paper clip has a mass of about 1 g because it is very light.

Question 9

Mia has two boxes. Box A has a mass of 5 kilograms. Box B has a mass of 7 kilograms. What is the total mass of the two boxes?

Accepted Answer

The total mass is 12 kilograms because 5 + 7 = 12.

Question 10

A bag of rice has a mass of 10 kilograms. Ben uses 4 kilograms. How much rice is left?

Accepted Answer

There are 6 kilograms of rice left because 10 - 4 = 6.

Question 11

Three objects have these masses: a book is 600 g, a lunchbox is 900 g, and a hat is 100 g. Put the objects in order from lightest to heaviest.

Accepted Answer

The order from lightest to heaviest is hat, book, lunchbox because 100 g is less than 600 g and 600 g is less than 900 g.

Question 12

A dog has a mass of 18 kilograms. A cat has a mass of 5 kilograms. How much more mass does the dog have than the cat?

Accepted Answer

The dog has 13 kilograms more mass than the cat because 18 - 5 = 13.

Question 13

A digital scale shows 250 g for a bag of grapes. Another bag of grapes has a mass of 300 g. Which bag is heavier?

Accepted Answer

The 300 g bag is heavier because 300 grams is more than 250 grams.

Question 14

Fill in the blank: 1 kilogram = ____ grams.

Accepted Answer

1 kilogram equals 1,000 grams.

Question 15

A recipe needs 500 grams of flour and 200 grams of sugar. What is the total mass of the flour and sugar?

Accepted Answer

The total mass is 700 grams because 500 + 200 = 700.

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