Expressions and Properties

Translate the phrase: 27 less than the product of a number and 5.

• 5n-27

• 27-5n

Answer explanation

Product means multiply, less than means you are subtracting that amount from the other.

Simplify the expression:

• -17k+13

• 17k+13

• -13k+13

• -13k+11

• 2a-6b-1

• 2a-8b-1

• 18a-6b-1

• 18a-8b-1

• 2w-16

• 2w-8

• -2w+8

• -2w+16

• 12k-32

• -12k+32

• -12k-8

• -7k-12

• Associative Property

• Identity Property

• Inverse Property

• Distributive Property

• (k+9) +1

• (1+k)+9

• 1+(9+k)

• k+(1+9)

Which statement is NOT an example of the commutative property?

Translate the phrase: the difference of twice a number and 9.

• -2n+9

• 2n-9

Answer explanation

Difference means subtraction, difference of 9 means subtract 9.

• 25x-4

• 25x+14

• 11x-4

• 11x+14