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This text explains and demonstrates various properties of addition and multiplication. It covers the associative, commutative, and identity properties, as well as the multiplicative property of zero.
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#1 • (3 + 8) + 7 = 3 + (8 + 7)
#1 answer • Associative Property of Addition
#2 • 22 x 1 = 22
#2 answer • Identity property of multiplication
#3 • 19 x 12 = 12 x 19
#3 answer • Commutative property of multiplication
#4 • 3 x 7 x 0 = 0
#4 answer • Multiplicative property of zero
#5 • 1m = m
#5 answer • Identity property of multiplication
#6 • x + (2y + z) = (2y + z) + x
#6 answer • Commutative property of addition
#7 8cd = 8dc
#7 answer • Commutative property of multiplication
#8 • (7a)b = 7(ab)
#8 answer • Associative property of multiplication
#9 • Rewrite the expression using the associative property. Then simplify. (y + 9) + 8
#9 answer y + (9 + 8) y + 17
#10 • Rewrite the expression using the associative property. Then simplify. 7(6z)
#10 answer (7 x 6)z 42z
#11 0 + 9 = 9
#11 answer Identity property of addition
#12 s x 1 = s
#12 answer identity property of multiplication
#13 • 4 + (9 + 6) = (4 + 9) + 6
#13 answer • associative property of addition
#14 x + 12 = 12 + x
#14 answer • commutative property of addition
#15 (3 + y) + 0 = 3 + y
#15 answer • identity property of addition
#16 • (x + y) + z = x + ( y + z)
#16 answer • associative property of addition
#17 • (15 + x) + 2 = 2 + (15 + x)
#17 answer • commutative property of addition
#18 • x • 1 = x
#18 answer • identity property of multiplication
#19 • 14xy = 14yx
#19 answer • commutative property of multiplication
#20 • (3 + 5) + c = 3 + (5 + c)
#20 answer • associative property of addition
#21 • (2 x 5) x 0 = 0
#21 answer • multiplicative property of zero
#22 • 6 x (8 + c) = (8 + c) x 6
#22 answer • commutative property of multiplication
#23 6 x (4 x 3) = (6 x 4) x 3
#23 answer • associative property of multiplication
#24 • (3 x 9) x 1 = 3 x 9
#24 answer • identity property of multiplication
#25 • (a + b) + c = c + (a + b)