Equivalent Expressions Homework

Which two expressions are not equivalent?

• (45 + x) -3 = (x + 45) -3

• (16 + x) + 4 = 16 + (x + 4)

• 5+(20 • x) = 5+ (x • 20)

• 3 + (7 • x) and (3 + 7) • x

Which two expressions are equivalent?

• (25 - x) + 4 = (x - 25) + 4

• (5• x) • 4 = 5 • (x • 4)

• 3 + (10- x) = 3 + (x - 10)

• 4 + (16 • x) and (4 + 16) • x

Which expression is equivalent to 63p + (12p + 8p)?

• (12p • 8p) + 63p

• 63p • (12p • 8p)

• (63p + 12p) + 8p

• (12p + 8p) • 63p

Which expression is equivalent to 12x + (15x + 4x)?

• 12x • (15x • 4x)

• 12x • (15x + 4x)

• (15x • 4x) + 12x

• (12x + 15x) + 4x

Which two expressions are equivalent?

• (15 + x) + 4 = (x + 15) + 4

• 2 + (5 • x) and (2 + 5) • x

• 3 + (10 • x) = 3 + (x + 10)

• (5 • x) + 4 = 5 • (x + 4)

Two expressions are shown. The second expression is not complete. Expression I: 50y - (-25) Expression II: ______ + 50y What number belongs in the space so that Expression I is equivalent to Expression II?

• 25

• -25

• 50

• -50

• Commutative Property of Multiplication

• Associative Property of Multiplication

• Identity Property of Multiplication

• Inverse Property of Multiplication

• Commutative Property of Addition

• Associative Property of Addition

• Identity Property of Addition

• Inverse Property of Addition

• Multiplicative Property of Zero

• Associative Property of Multiplication

• Identity Property of Multiplication

• Inverse Property of Multiplication

• Commutative Property of Addition

• Associative Property of Addition

• Identity Property of Addition

• Inverse Property of Addition