chapter 8 l8-4 notes: multiplying integers. study the examples below and see if you spot any...

Chapter 8 L8-4 Notes: Multiplying Integers

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Chapter 8

L8-4 Notes:

Multiplying Integers

Study the examples below and see if you spot any patterns. Can you figure out the rules for multiplying and dividing integers?

2 × 3 = 6 4 × 5 = 20

2 × (-3) = -6 4 × (-5) = -20

-2 × 3 = -6 -4 × 5 = -20

-2 × (-3) = 6 -4 × (-5) = 20

Multiplying Integers

The product of two integers with the same sign is positive.

2 × 3 = 6 (-2) × (-3) = 6

The product of two integers with different signs is negative.

2 × (-3) = -6 -2 × 3 = -6

Page 4: Chapter 8 L8-4 Notes: Multiplying Integers. Study the examples below and see if you spot any patterns. Can you figure out the rules for multiplying and

Same Signs

Find 4 × 8.

Find (-5) × (-6).

Page 5: Chapter 8 L8-4 Notes: Multiplying Integers. Study the examples below and see if you spot any patterns. Can you figure out the rules for multiplying and

Different Signs

Find 4 × (-2).

Find -8 × 3.

On Your Own…

Multiply.

1. 3 × 6 =

2. (-7) × 4 =

3. -5 × 2 =

4. -5(-12)

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