Commutative Property
English
Page 129
The Commutative Property states that no matter what order we place
numbers in an addition sentence or multiplication sentence the answer will be
the same.
2 + 5 + 7 = 14 also 2 + (5 + 7) = 14
(2 x 5) x 7 = 70
2 x (5 x 7) = 70
Finish each math sentence.
5 x 7 = 7 x __ = __
3 + 4 = 4 + __ = __
3 x 4 x 5 = __ x (__ x __) = ___
7 + 3 + 2 = __ + (__ + __)
5 · a · y = 5(__· __) = ___
(12 + 7) + (9 + 4) = __ + (__ + __) + __
7(ab) = 7(__· __) = ___
(10 + 5 + 2) + 8 = __ + (__ + __ + __)