# TABE Math Computations Practice Test 1

#### 8xy - 3xy = ?

When adding or subtracting equations with variables, you keep the variable as a unit. Think of the variable xy as "apples", then the equation becomes 8 apples - 3 apples = 5 apples (or 5xy)

#### 5/8 x 2/6 = ?

When multiplying fractions, multiply both the numerators and denominators. So, 5/8 x 2/6 = (5x2)/(8x6) = 10/48 which is 5/24 when simplified.

#### What is 20% of 100?

20% is equivalent to 20/100 or 0.2. You find 20% of 100 by multiplying 100 x .2 = 20

#### 13 ÷ 5 = ?

5 goes into 13 2 times with a remainder of 3.

#### 30 - (-4) = ?

30 - (-4) is the same as 30 + 4 = 34

#### 1542 - 517 = ?

#### 43 x 4 = ?

#### 3^3 + 1^3 = ?

The answer is (3 x 3 x 3) + (1 x 1 x 1) = 27 + 1 = 28

#### 2/9 + 3/9 = ?

When adding fractions that have the same denominator (the number on the bottom), you simply add the numerators together and keep the denominator the same. So 2/9 + 3/9 = (2+3)/9 = 5/9

#### 9/11 - 5/11 = ?

When subtracting fractions that have the same denominator (the number on the bottom), you simply subtract the numerators and keep the denominator the same. So 9/11 - 5/11 = (9-5)/11 = 4/11

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