Multiplying Integers Part 2

Multiplying Integers Part 2

This will be a continuation of multiplying integers from your textbook!

Recap from last quizizz

• When multiplying negative and positive numbers, you will get a negative number.

• Multiplication is the the addition of a number multiply times.

• Multiplication of integers is slightly easier than adding or subtracting!

Take-aways

• Multiplying Integers with the same sign will always make a positive answer.

• When solving expressions, ensure that all variables are replaced correctly.

• Make sure you remember your multiplication facts.

Multiple Choice

When multiplying a negative with a negative, do you get a positive or negative?

• Positive

• Negative

Fill in the Blanks

What is -5 x 2?

Fill in the Blanks

8(–11)

Multiple Choice

Is the answer to this problem going to positive or negative? 15 x -8

• Negative

• Positive

Multiple Choice

Is the answer to -5 x -5 positive or negative?

• negative

• positive

Fill in the Blanks

x=-5 and y=-6, what would the expression xy equal?

Multiple Choice

Evaluate gh if g = –12 and h = –3

• -36

• -24

• 36

• 48

Fill in the Blanks

Evaluate abc^2 if a = –3, b = 6 and c = –8

Multiple Choice

8(–6)(3)

• 144

• 245

• -144

• -245

Multiple Choice

When multiplying -5 x -5 x -5, is your answer negative or positive?

• Positive

• Negative

Multiple Choice

When multiplying -1 x -1 x -1 x -1, will your answer be positive or negative?

• Positive

• Negative

Multiplying Multiple Integers

When you multiply multiple integers, you need to remember the pattern. If you multiply by an even number of integers, your answer will be positive. When you multiply by an odd number of integers, you will have a negative number.

Multiple Choice

A hot-air balloon descends at a rate of 25 feet per minute. What integer represents the change in the altitude of the hot-air balloon, in feet, after 6 minutes?

• -250

• -200

• -150

• 100

Open Ended

Suppose a dog breed loses about 75 hairs per day. What integer represents this change in the amount of hair per week?

Explain how you got your answer and what expression and answer you would get.