Page 48 - TB_6B

Use the Commutative and Associative Properties of Addition to add integers.

The Commutative Property The Associative Property of
of Addition states that the Addition states that the ways
order of adding integers does of grouping integers do not
not change the sum. change the sum.

3 2= 2 3 5 2 4=5 2 4
=1 =3

3 . Add the integers using the Commutative and Associative Properties of

Addition.

a. 8 5 8 Commutative b. 2 3 8 4 Commutative
=5 8 8 Property =2 8 3 4 Property
=5 8 8 Associative = 2 8) ( 3 4) Associative
=5 0 Property = 10 7 Property
=5 =3

c. 4 2 4 d. 7 3 7 3

e. 5 8 7 f. 5 4 9 8

20. Balloons and Stones 37