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### Multiplying Integers

• Let‘s review the rules for multiplying integers.
• The product of two integers with the same sign is positive.
• Positive times positive is positive
• Negative times Negative is positive.
• The product of two integers with different sings is negative.
• Positive time negative is negative.
• Negative times positive is negative.

• − 2(5) =

## 3 × ( - 6) × ( - 2) =

• − 18 ×( − 2) =

## ( - 7) × 5 × ( - 2) × ( - 1) =

• − 35 ×( − 2) ×( − 1) =
• 70 ×( − 1) =

## 2 × ( - 2) × 3 × ( - 2) + ( - 4) =

• − 4 ×3 ×( − 2) + ( − 4) =
• − 12 ×( − 2) + ( − 4) =
• 24 + ( − 4) =
• 24 − 4 =

## ( - 2) · ( - 1) · ( - 1) + ( - 1) - ( - 1) =

• 2 ·( − 1) + ( − 1) − ( − 1) =
• − 2 + ( − 1) − ( − 1) =
• − 2 − 1 + 1 =
• − 3 + 1 =

## A fish swims 3 feet deeper every minute for 15 minutes. Write an integer to express how far down the fish swam

• - 3 feet × 15 minutes =

## Determine the sign of the product.

• ( − 5) ·( − 2) ·4 ·( − 10) ·( + 32) =
• ( − ·− ) ·( + ·− ) ·( + ) =
• + ·− ·+ =
• − ·+ =

• − ·− ·− =
• ( − ·− )·− =
• + ·− =

## Determine the sign of the product of: 5 negative numbers

• − ·− ·− ·− ·− =
• ( − ·− ) ·( − ·− ) ·− =
• + ·+ ·− =
• + ·− =

## Determine the sign of the product of: 7 negative numbers

• − ·− ·− ·− ·− ·− ·− =
• ( − ·− ) ·( − ·− ) ·( − ·− ) ·− =
• ( + ·+ ) ·( + ·− ) =
• + ·− =

• − ·− =

## Determine the sign of the product of: 4 negative numbers

• − ·− ·− ·− =
• ( − ·− ) ·( − ·− ) =
• + ·+ =

## Determine the sign of the product of: 6 negative numbers

• − ·− ·− ·− ·− ·− =
• ( − ·− ) ·( − ·− ) ·( − ·− ) =
• + ·+ ·+ =
• + ·+ =

### + , positive

*These practice questions are only helpful when you work on them offline on a piece of paper and then use the solution steps function to check your answer.