Multiply, Divide, Add, Subtract Integers

Presentation

•

Mathematics

•

7th Grade

•

Hard

Joseph Anderson

FREE Resource

11 Slides • 25 Questions

Add and Subtracting Numbers

Keep

Change

Only do KCC when we have a subtraction sign.

Subject | Subject

Some text here about the topic of discussion

Multiple Choice

When you add integers with the same sign, what do you do?

(+) and keep the sign

(-) and keep the sign of the larger

(x) and keep the sign

(-) and keep the sign of the smaller

Multiple Choice

(-10) + (-7)

-17

-3

Multiple Choice

What do you do when you are adding integers with different signs?

(-) and keep sign of smaller number

(-) and keep sign of larger number

(+) and keep sign of smaller number number

(+) and keep sign of larger number

Multiple Choice

Bob lost 5 points on page one of his math test and he lost 9 points on page two of his math test. Which equation best describes Bob progress on his math test?

5 + 9 = 14

-5 + -9 = -4

-5 + -9 = -14

5 + -9 = -4

Open Ended

What is one question you'd like answered about decimals as we begin today?

Type response here

Rules for adding and subtracting decimals

if the signs are the same, just add
if the signs are different, subtract and take the sign of the larger absolute value
when subtracting a negative, just add the opposite

Multiple Choice

What was the first rule?

When subtracting a negative, add the opposite

If the signs are different, subtract and take the sign of the larger absolute value

When the signs are the same, just add

when the signs are the same

Just add the two numbers together
For example -4.3 + -8.2 = - 12.5
or -2.7 - 9.1 = - 11.8

Fill in the Blanks

Type answer...

-6 + -4 = ______

-8 - 5 = ______

-5 + 3 = ______

2 + -8 = ______

5 - 2 = ______

6 - 8 = ______

Let's Practice!

Please do not use a calculator. Try your best without one. It's okay to get things wrong.

Open Ended

(−12) + 7

Type response here

Open Ended

(−10) + (−7)

Type response here

Open Ended

(−6) + 12

Type response here

Open Ended

(−30) + 10

Type response here

-4 - 5

-4 - (-5)

SUBTRACTING Integers on a Number Line

Modeling on a Number Line

-5 - (-3)

Change to an Addition Problem

Keep - Change - Change

Fill in the Blanks

Type answer...

Fill in the Blanks

Type answer...

Multiple Select

Which expressions match the problem shown on the number line?

6 + -8

6 - 8

6 - 3

6 + -3

6 - -8

I

N

T

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G

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R

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Multiple Choice

(-9)(-8)

-72

-81

Multiple Choice

4(-20)

-80

-24

Multiple Choice

Which expression DOES NOT have a product of −18?

−2 ∗ −9

−6 ∗ 3

−3 ∗ 6

−9 ∗ 2

Multiple Choice

44/-4=

-8

-11

-1/11

Numerator x Numerator

Denominator x Denominator

Multiply Straight Across!!

DO NOT FIND COMMON DENOMINATOR

Turn division problem into multiplication!!

Multiple Choice

$\frac{5}{3}\times-\frac{13}{7}$

$3\ \frac{3}{21}$

$-\frac{4}{21}$

$-3\ \frac{3}{21}$

$-5\ \frac{83}{210}$

Multiple Choice

$\frac{5}{6}\div\frac{3}{10}$

$2\ \frac{7}{9}$

$-\frac{1}{2}$

$\frac{1}{4}$

$5\ \frac{1}{8}$

Multiple Select

Select all the expressions that are equivalent to $7^2$ .

$14$

$7\times7$

$7\times2$

$49$

$7+2$

Multiple Select

Select all the expressions that are equivalent to $-10$ .

$2+\left(-8\right)$

$-2+8$

$-2-8$

$5+5$

$-5+\left(-5\right)$

Multiple Select

Select all the expressions that are equivalent to $-5-\left(-4\right)$ .

$-5+4$

$5+4$

$-5+\left|-4\right|$

$\left|-5+4\right|$

$-5+\left(-4\right)$

Multiple Choice

Which expression is illustrated on this number line?

80 + 0

40 + 40

40 - 0

40 - 40

Multiple Choice

Which expressions is illustrated on this number line?

35 + 5

40 - 5

40 + 5

35 - 40

Add and Subtracting Numbers

Keep

Change

Only do KCC when we have a subtraction sign.

Subject | Subject

Some text here about the topic of discussion

Show answer

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Multiply, Divide, Add, Subtract Integers

Rules for adding and subtracting decimals

when the signs are the same

Let's Practice!

SUBTRACTING Integers on a Number Line

Modeling on a Number Line

I

N

T

E

G

E

R​

​R

U

L

E

S​

Similar Resources on Wayground

Popular Resources on Wayground

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