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Grade 8 Rational Number Operations Worksheet

A worksheet for 8th-grade students covering addition, subtraction, multiplication, and division of rational numbers, including fractions and decimals.

Grade 8 Math Number SenseRational Number Operations
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Includes

Multiple ChoiceFill in the Blanks2 Short AnswerTrue / FalseCustomLong Answer

Standards

CCSS.MATH.CONTENT.8.NS.A.1CCSS.MATH.CONTENT.8.NS.A.2

Topics

MathGrade 8Rational NumbersFractionsDecimalsOperations
9 sections · Free to use · Printable
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Rational Number Operations

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Date:

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Read each question carefully and answer to the best of your ability. Show all your work.

1. Which of the following is equivalent to -3/4 + 1/2?

a

-5/4

b

-1/4

c

1/4

d

5/4

2. When multiplying two rational numbers with different signs, the product will always be  .

3. The reciprocal of -5/7 is  .

4. Calculate the value of (2/3) ÷ (-4/5).

5. The product of 0.25 and -0.5 is a positive rational number.

T

True

F

False

6. Evaluate: 7.25 - (-3.8).

7. Plot the result of -1/2 + 3/4 on the number line below.

-1-0.500.51

8. A recipe calls for 2 1/4 cups of flour. If you only want to make half of the recipe, how much flour do you need? Express your answer as a mixed number.