3.OA.8 Fun!

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some have been taken away.

Front

If you have 531 blocks and use 240, how do you find out how many are left?

Back

You subtract the number of blocks used (240) from the total number of blocks (531). 531 - 240 = 291.

Front

What is the total cost of 6 games at a bowling alley that charges $6 per game?

Back

6 games x $6 per game = $36.

Front

How do you calculate how many games Hank can bowl with his remaining money?

Back

First, find out how much money Hank has left after spending on a gift: $70 - $28 = $42. Then divide this by the cost per game: $42 ÷ $6 = 7 games.

Front

What is division?

Back

Division is the process of splitting a number into equal parts. It shows how many times one number is contained within another.

Front

If each pack of pencils contains 8 pencils and Sahil bought 3 packs, how many pencils did he have?

Back

3 packs x 8 pencils per pack = 24 pencils.

Front

How do you find out how many pencils each person gets if 24 pencils are shared among 6 people?

Back

You divide the total number of pencils (24) by the number of people (6): 24 ÷ 6 = 4 pencils per person.

Front

What is multiplication?

Back

Multiplication is the process of adding a number to itself a certain number of times. It is often used to find the total of equal groups.

Front

If Layla ate 5 bags of skittles and each bag has 9 skittles, how many skittles did she eat?

Back

5 bags x 9 skittles per bag = 45 skittles.

Front

How do you find the total number of skittles eaten by Layla and Donald?

Back

Add the number of skittles Layla ate (45) to the number of skittles Donald ate (36): 45 + 36 = 81 skittles.