Multiplication by Grouping

Front

What is multiplication by grouping?

Back

Multiplication by grouping is a method of multiplying numbers by organizing them into groups to make calculations easier.

Front

What does 2 x 3 x 4 equal?

Back

24

Front

If Mrs. Hodge bought 3 packets of pencils, each with 5 blue and 7 red pencils, how many pencils did she buy in total?

Back

36

Front

How many more red pencils than blue pencils does Mrs. Hodge have if she bought 3 packets with 5 blue and 7 red pencils?

Back

6

Front

Which expression represents the total number of pencils Mrs. Hodge bought?

Back

(3x5)+(3x7)

Front

What is the associative property of multiplication?

Back

The associative property states that the way in which numbers are grouped in multiplication does not change the product.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in multiplication does not change the product.

Front

Calculate: 3 x 6 x 3 = ?

Back

54

Front

Which of the following is NOT true: 3×6×3=6×3×3 or 3×6×3=9×6?

Back

3×6×3=9×6 is NOT true.

Front

If you have 4 groups of 2 apples, how many apples do you have in total?

Back

8 apples.