Grade 4 - Progress in Mathematics

(Marvins-Underground-K-12) #1
Update your skills. See pages 8 and 9.

Multiplication Properties


4-1


Find the products. Name the multiplication property you used.


  1. 1 8 2. 9 4 3. 2 6 4. 7 5
     8  1  4  9  6  2  5  7

  2. 6  7 6. 8  5 7. 6  0 8. 9  1


0  3  0 3 0
3  0  0  0  3
0 0

1  6  6 6 1
6  1  6  1  6
6 6

(1 4)  2  1 (4 2)

4  2  1  8
8  8

4  5  20 5 4
5  4  20  4  5
20 20

Think
“order ”

Think
“grouping”

Think
“same number”

Think
“zero”

The properties of multiplication can help you
to multiply quickly and correctly.

Commutative Property of Multiplication
Changing the orderof the factors
does not change the product.

Associative Property of Multiplication
Changing the groupingof the factors
does not change the product.

Identity Property of Multiplication
The product of oneand a number
is the same as that number.

Zero Property of Multiplication
The product of zeroand a number
is 0.

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