Multiplication and Division STAAR review

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 × 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is division?

Back

Division is a mathematical operation where a number is split into equal parts. For example, 12 ÷ 3 means splitting 12 into 3 equal parts, which equals 4.

Front

What does the expression 3 × 8 represent?

Back

The expression 3 × 8 represents the total number of items when you have 3 groups of 8 items each, which equals 24.

Front

If Abby read 8 books and Chase read 3 times as many, how many books did Chase read?

Back

Chase read 3 × 8 = 24 books.

Front

How do you find the total number of items in equal groups?

Back

To find the total number of items in equal groups, multiply the number of groups by the number of items in each group.

Front

What is the total number of vegetable plants if Melissa planted 6 rows of cucumbers with 9 cucumbers in each row and 64 carrots?

Back

Total vegetable plants = (6 × 9) + 64 = 54 + 64 = 118.

Front

What is the total cost if Mr. Ping pays $85 each month for 3 months?

Back

Total cost = 3 × 85 = $255.

Front

What is the product of 3 × 9?

Back

The product of 3 × 9 is 27.

Front

Which method could not be used to find the product of 3 × 9?

Back

9 × 9 × 9 cannot be used because it represents 9 multiplied by itself three times, not 3 multiplied by 9.

Front

What is a multiplication fact?

Back

A multiplication fact is a simple multiplication equation, such as 2 × 3 = 6.