L
mL
kg
g
Word Problems
100

Convert 100 L to mL

100 000 mL

100

3 000 mL = ? L

3 000 mL = 3 L

100

5 000 g = ? kg

5 000 g = 5 kg

100

200 000 g = ? kg

200 000 g = 200 kg

100

If an apple weighs 200 g, how many apples will you need to weigh 1 kg? Explain your answer.

1 kg = 1 000 g

200 g x 5 apples = 1 000 g

(Skip count 200, 400, 600, 800, 1 000)

You will need 5 apples to weigh 1 kg

200

Convert 2 500 L to mL

2 500 000 mL

200

4 564 000 mL = ? L

4 564 000 mL = 4 564 L

200

Convert 450 000 g to kg.

450 kg

200

10 000 g + 15 000 g = ? kg

10 000 g + 15 000 g = 25 000 kg

200

If your heart pumps 5 L of blood a minute, how many litres of blood does your heart pump in one hour? Explain your answer.

1 hour = 60 minutes

60 minutes x 5 L = 300 L

Your heart pumps 300 L of blood a minute

300

Rita drinks 3 L of Pepsi cola every day. How many mL of Pepsi cola does she drink?

She drinks 3 000 mL of Pepsi cola every day.

300

True or false? 1 mL = 1 teaspoon of sugar

True

300

Janet's cat weighs 3 kg and Bob's cat weighs 2 900 g. Which cat is heavier? Explain your answer.

Janet's cat is heavier because 3 kg = 3 000 g and 3 000 g is greater than 2 900 g.

300

Name 2 objects that weigh about a gram.

1 paper clip,1 teaspoon of sugar

300

Which 2 objects have a combined mass of 1 kg? Explain your answer.

a) an apple weighing 350 g

b) a cabbage weighing 550 g

c) a boot weighing 650g


1 kg = 1 000 g

apple + boot

350 g + 650 g = 1 000 g

The apple and the boot have a combined mass of 1 kg.

400

How many glasses of milk does 4 L fill?

4 L fill 16 glasses of milk because 1 L = 4 glasses and 4 L x 4 glasses = 16 glasses

400

True or false?

It takes two 500 mL measuring cups to fill a 1 L container. Explain your answer.

True because 1 L = 1 000 mL 

500 mL + 500 mL = 1 000 mL

400

A watermelon weighs about:

a) 500 grams

b) 2 kilograms

c) 20 kilograms

b) 2 kilograms

400

True or false?

A 1 L bottle weighs about 1 kg.

True

400

If an avocado has a mass of 250 g, how many avocados will have a mass of 2 kg? Explain your work.

2 kg = 2 000 g

250 g x 4 = 1 000 g

1 000 g x 2 = 2 000 g

8 avocados will have a mass of 2 kg

500

John’s family drinks 4 L of water a day. How many litres of water does her family drink in the month of October?Dakota’s family drinks 4 L of water a day. How many litres of water does her family drink in the month of October? Show your work.

His family drinks 124 L of water every day during the month of October. There are 31 days in the month of October and 31 x 4 L = 124 L. 

500

A recipe calls for 2 L of water and 1 L of milk. How many mL is this combined? Explain your answer.

It calls for 3 000 mL. 2 L + 1 L = 3 L and 3 L has the same capacity as 3 000 mL.

500

What is heavier? 5 kg or 8 000 g? Explain your answer?

8 000 g is heavier because 5 kg = 5 000 g and 8 000 g is greater than 5 000 g.

500

How many 1 L bottles of water weigh about 25 kg?

25 1 L bottles of water weigh about 25 kg.

500

Peter drinks 6 L of water each day. How many mL of water does he drink each day?

Peter drinks 6 000 mL of water each day.