Math Review

Evaluate the expression for x = 3, y = 8, and z = 0.

2x + y - 12z

• 0

• 2

• 11

• 14

Solve the equation 22.1 + b = 61.5

• b = 38.6

• b = 39.4

• b = 49.4

• b = 83.6

Which multiplication property is identified by the expression

6 x 10 + 6 x 13 = 6(10 + 13)

• Commutative Property

• Associative Property

• Identity Property

• Distributive Property

Which mltiplication property is identified by the expression

(5 x 6) x 7 = 5 x (6 x 7)

• Commutative Property

• Associative Property

• Identity Property

• Distributive Property

Which multiplication property is identified by the expression

(15 x 32 x 21) = (21 x 32 x 15)

• Commutative Property

• Associative Property

• Identity Property

• Distibutive Property

What is the greatest common factor of 15 and 30?

• 60

• 30

• 15

• 5

What is the prime factorization of the number 24?

• 2 x 2 x 3

• 2 x 2 x 4

• 2 x 2 x 12

• 2 x 2 x 2 x 3

What is the missing number in the equation

6 x 3 x 7 = b x 21

• b = 3

• b = 6

• b = 7

• b = 18

A pool is 75 meters long. If a swimmer can swim about 10 laps in 7 minutes,

how many laps would she be able to swim in 28 minutes?

• 24 laps

• 28 laps

• 40 laps

• 42 laps

The radius of a circle is shown. Which method would you use to find the diameter of the circle?

• Divide the radius in half.

• Multiply the radius by 2.

• Square the radius.

• Add 2 to the radius.