C

REVIEW FOR NEGATIVES,

POSITIVES, AND FRACTIONS

Addition

Positive + Positive

Negative + Negative

Positive + Negative

Negative + Positive

  2 + 4 = 6 

 - 2 + (-4) = -6 2 + (-4) = -2  -2 + 4 = 2

Subtraction

Positive – Positive Negative – Negative Positive – Negative Negative – Positive

  2 - 4 = -2 

 - 2 - (-4) = 2 2 - (-4) = 6  -2 - 4 = -6

Multiplication

Positive • Positive Negative • Negative Positive • Negative Negative • Positive

  2 • 4 = 8 

 - 2 • (-4) = 8 2 • (-4) = -8  -2 • 4 = -8

Division

Positive ÷ Positive Negative ÷ Negative Positive ÷ Negative Negative ÷ Positive

  2 ÷ 4 = ½  

 - 2 ÷ (-4) = ½ 2 ÷ (-4) = -½  -2 ÷ 4 = -½

Adding and Subtracting Fractions

Adding Fractions Subtracting Fractions

1/5 + 2/5 = 3/5 1/5 – 2/5 = -1/5

Multiplying Fractions

Fraction • Whole Number (Integer) Fraction • Fraction

1/5 • 2 =1/5 • 2/1 = 2/5 1/5 • 2/5 = 2/25

Dividing Fractions

Fraction ÷ Whole Number Whole Number ÷ Fraction Fraction ÷ Fraction

1/5 ÷ 2 = 1/5 • 1/2 = 1/10 2 ÷ 1/5 = 2 • 5/1 = 10 1/5 ÷ 2/5 = 1/5 • 5/2 = 5/10 = 1/2

Have Fun!• There are 2 sheets of paper, giving you a total of 4 pages of work

• Answers are in the back for CHECKING ONLY, not copying

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