3.OA.1-.OA.2

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times. For example, 4 + 4 + 4 + 4 is the same as 4 x 4.

Front

What does the multiplication equation 5 x 5 equal?

Back

5 x 5 = 25.

Front

How do you write the division equation for sharing 27 items among 3 groups?

Back

27 ÷ 3 = 9.

Front

What is the relationship between multiplication and division?

Back

Multiplication is the opposite of division. If 4 x 5 = 20, then 20 ÷ 5 = 4.

Front

What does the equation 25 ÷ 5 represent?

Back

It represents how many groups of 5 are in 25, which equals 5.

Front

How can you express 4 groups of 5 using addition?

Back

4 x 5 can be expressed as 5 + 5 + 5 + 5.

Front

What is the result of 9 ÷ 3?

Back

9 ÷ 3 = 3.

Front

If each book weighs 3 pounds and the total weight is 27 pounds, how many books are there?

Back

There are 9 books in the box.

Front

What is the repeated addition for 4 groups of 4?

Back

4 + 4 + 4 + 4.

Front

What does the equation 27 ÷ 3 equal?

Back

27 ÷ 3 = 9.