Multiplying & Dividing Integers

Presentation

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Mathematics

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6th - 7th Grade

•

Practice Problem

•

Medium

•

CCSS

7.NS.A.2A, 5.NF.B.3, 6.EE.A.1

Standards-aligned

Kristyn Stoy

Used 104+ times

FREE Resource

5 Slides • 9 Questions

Multiplying & Dividing Integers

What are the ways we see multiplication problems?

3 x 2 (The most commonly used)
3 * 2 (This is using a star symbol)
(3)(2) (Two numbers next to one another in parenthesis)
$3\cdot2$ (The simple dot)

What are the ways we see division problems?

3 ÷ 2 (Most commonly seen way)
3/2 (Looks like a fraction)
$\frac{3}{2}$ (This also looks like a fraction, but a fraction is another way of saying a division problem)

Multiple Choice

Which is NOT a way to see a division problem?

4/5

4 * 5

4 ÷ 5

$\frac{4}{5}$

Multiple Choice

To determine if the solution to a multiplication/division is positive or negative, we use the pizza diagram.

True

False

Multiple Choice

If I have two negatives what will the product be?

Negative

Positive

Multiple Choice

If I have a negative multiplied with a positive, what will the answer be?

Positive

Negative

Multiple Choice

-24 ÷ 6 =

-4

-18

-3

Multiple Choice

-5

-3

What about 3 or more digits beings multiplied together at the same time?

Anytime you have 3 or more digits being multiplied, you just follow the rules of GEMDAS and start from left to right.

Example: 2 x 3 x -3

Start with the first two numbers (2 x 3 which is 6), and then multiply that answer by the last number (6 x -3 which is -18).

Multiple Choice

Multiply

(5) • (–9) • (–2)

-45

-90

Multiple Choice

(-2)(-4)(-3)

-24

-21

Exponents with integers

By now we should know whenever we see an exponent it means I will be multiplying that number times itself.

For example:

-6^2

This translates to -6 x -6

Multiple Choice

Determine the answer to the following:

-3^3

-9

-27

Multiplying & Dividing Integers

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