Grand Test Practice Grade VII

What does "evaluate" mean in math?

• write a number using exponents

• a mathematical phrase involving at least one variable and sometimes numbers and operation symbols

• breaking down a composite number until all of the factors are prime

• substitute any values given for the variable and work through the Order of Operations.

Evaluate 2r + 1      if   r = 3

• 6
• 5
• 7
• 8

Evaluate 7y - 3y for y=2

• 20

• 73

• 8

• 4

Solve the following equation,
x + 7 = 28

• x = 35
• x = 4
• x = 196
• x = 21

Solve the following equation,
x - 23 = 17

• -6
• 6
• 40
• -40

Solve:
2(2x + 3) = -6(x + 9)

• 1.2
• 6
• -6
• 7.5

Simplify this expression....

• 5y

• y

• 21y

• 3y + 2y

Simplify this expression....

• 5a + 7b

• 12ab

• 7a + 5b

• 5a7b

Simplify this expression....

• 6x² + 8x

• 8x² + 6x

• 14x³

• 14x²

Convert fraction to a decimal

¹/₂