6.3D Review

6.3D + 6.7A Review

Integers and Order of operations

Most integer questions can be solved with a number line

• a positive means you move to the right on the number line

• a negative means to move left on the number lines.

• Draw a number line on your paper from -10 to + 10

Multiple Choice

Practice!

Using your number line evaluate.

7-8

• 1

• -1

• 15

• -15

Multiplying and Dividing with integers is easy!

If both of your numbers have the same sign your answer will be positive.

If your numbers have different signs your answer will be negative.

Multiple Choice

Practice!

Evaluate

-6(5)

• 30

• 11

• -1

• -30

When evaluating remember PEMDAS

• Parenthesis

• Exponents

• Multiplication and Division

• Addition and Subtraction

Multiple Choice

Practice!

Evaluate

(-6 + 5) * 3

• 3

• 33

• -33

• -3

Have your paper ready and ask any questions you are not sure about.

Multiple Choice

Evaluate

50 - (14 + 12 + 2(5) )

• -90

• -14

• 14

• 90

Multiple Choice

Evaluate: 5(-6) + (-7)

• -37

• 23

• -18

• 4

Multiple Choice

Review the chart. What is the sum of all the scores?

• 10

• -10

• -4

• Not here

Multiple Choice

Evaluate the sum of these numbers:

7,0,-4,2,-10

• 3

• 25

• -5

• Not here