6th Grade Algebraic Expressions Review

4 divided by the sum of a number and 12

• 4 / n + 12
• 4 / 12n
• 4 / (n + 12) 
• (4 / n) + 12

Twenty decreased by x

• 20+x
• 20/x
• x-20
• 20-x

b² + 4
when b = 3

• 10
• 12
• 13
• 11

Evaluate 4y  if       y = 3

• 7
• 12

9 multiplied by the difference of x and 5

• 9x - 5

• 9(x - 5)

• 9(5 - x)

• 9 - 5x

Which of the following is an example of an algebraic expression?

• 3(2 + 7) - 10
• 78 - 5 + 3
• 3x + 6y
• 8(3) - 5 + 2

What is the first step in solving this problem:
12 ÷ 6 (3) + 8

• multiplication
• addition
• division
• subtraction

Solve:
38 + (9 x 6) ÷ 3

• 40
• 65
• 56

• 7

• 55

• 12

Use the distributive property to find an equivalent expression of: 4(b + 6n)

• 4b + 24n
• b + 6n
• 4 + 6n
• 28bn