3rd grade Spiral Review 19: OA

Front

What is division?

Back

Division is the process of splitting a number into equal parts. For example, if you divide 8 by 2, you get 4, meaning 8 can be split into 2 equal groups of 4.

Front

How do you find the number of items in each group when dividing?

Back

To find the number of items in each group, divide the total number of items by the number of groups. For example, 72 children divided into 8 groups means 72 ÷ 8 = 9 children per group.

Front

What is multiplication?

Back

Multiplication is a way of adding a number to itself a certain number of times. For example, 3 x 5 means adding 3 five times: 3 + 3 + 3 + 3 + 3.

Front

How many days are in 3 weeks?

Back

There are 7 days in a week, so in 3 weeks, there are 3 x 7 = 21 days.

Front

What does it mean to share equally?

Back

Sharing equally means dividing something into the same number of parts so that everyone gets the same amount. For example, if 16 goldfish are shared between 2 children, each child gets 8 goldfish.

Front

What is the formula for finding the total number of items in equal groups?

Back

The formula is: Total Items = Number of Groups x Items per Group. For example, if there are 8 groups with 9 items each, the total is 8 x 9 = 72.

Front

What is the result of 3 x 5?

Back

The result of 3 x 5 is 15, which means if you have 3 groups of 5, you have a total of 15.

Front

If you have 26 books and receive 6 more, how many books do you have in total?

Back

You add the books together: 26 + 6 = 32 books.

Front

How do you divide 32 books among 8 students?

Back

To divide 32 books among 8 students, you would do 32 ÷ 8 = 4 books per student.

Front

What is the meaning of 'equal parts'?

Back

Equal parts means that each part is the same size or amount. For example, if you cut a pizza into 4 equal parts, each part is the same size.