Multiplication 3rd Grade Review

Front

What is multiplication?

Back

Multiplication is a way to add a number to itself a certain number of times. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4 = 12.

Tags

CCSS.3.OA.A.1

Front

What does the equation 4 x 6 represent?

Back

It represents 4 groups of 6. If you have 4 boxes with 6 items in each box, you have a total of 24 items.

Tags

CCSS.3.OA.A.1

Front

How do you find the total number of eyes for a group of friends?

Back

Multiply the number of friends by 2, since each person has 2 eyes. For 7 friends: 7 x 2 = 14 eyes.

Tags

CCSS.3.OA.A.3

Front

If Riley has 2 equal groups of marbles with 6 in each, how many marbles does he have?

Back

Riley has 12 marbles in total. (2 x 6 = 12)

Tags

CCSS.3.OA.A.3

Front

What is an array in multiplication?

Back

An array is a visual representation of multiplication. For example, 4 x 5 can be shown as 4 rows of 5 items.

Tags

CCSS.3.OA.A.1

Front

What is the product of 3 x 4?

Back

The product is 12. (3 groups of 4 equals 12)

Tags

CCSS.3.OA.A.1

Front

What is the missing number in the equation 5 x ? = 45?

Back

The missing number is 9. (5 x 9 = 45)

Tags

CCSS.3.OA.A.4

Front

How can you check if your multiplication is correct?

Back

You can use addition to check. For example, if you calculated 4 x 5 = 20, you can add 5 four times: 5 + 5 + 5 + 5 = 20.

Tags

CCSS.3.OA.A.3

Front

What does the term 'factor' mean in multiplication?

Back

A factor is a number that is multiplied by another number. In 3 x 4, both 3 and 4 are factors.

Tags

CCSS.4.OA.B.4

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the factors does not change the product. For example, 3 x 4 = 4 x 3.

Tags

CCSS.3.OA.B.5