Choose the Operation

Front

What is division?

Back

Division is the operation of splitting a number into equal parts. It answers the question: how many times does one number fit into another?

Front

What is multiplication?

Back

Multiplication is the operation of adding a number to itself a certain number of times. It answers the question: how many in total when you have groups of the same size?

Front

When do you use division in word problems?

Back

Use division when you need to split a total into equal parts or find out how many groups of a certain size can be made.

Front

When do you use multiplication in word problems?

Back

Use multiplication when you need to find the total of equal groups or when you are combining the same number multiple times.

Front

If Sally bought 375 crayons in packs of 15, how do you find the number of packs?

Back

You divide 375 by 15 to find out how many packs Sally bought.

Front

If Alyssa has 220 books and each shelf holds 44 books, how do you find the number of shelves needed?

Back

You divide 220 by 44 to find out how many shelves Alyssa needs.

Front

If a teacher has 180 pieces of candy for 30 students, how do you find out how many pieces each student gets?

Back

You divide 180 by 30 to find out how many pieces each student will receive.

Front

If Joan, Dan, Sally, and Mary each have 38 baseball cards, how do you find the total number of cards?

Back

You multiply 38 by 4 to find the total number of baseball cards.

Front

If Lucy has 52 marbles and Sam has 24 times more marbles than Sara, how do you find out how many marbles Sam has?

Back

You multiply the number of marbles Sara has by 24 to find out how many marbles Sam has.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If you multiply a number and then divide by the same number, you return to the original number.