8A integers

Vocab

100

What is absolute value?

The distance from zero (positive or negative)

200

What is an integer?

A positive and negative number 

300

Explain the rule for adding integers

If the signs are the same, you can add. If they are opposite, you subtract

400

Explain the rule for subtracting integers

You must first flip the subtraction equation to addition and change the 2nd integer to its opposite. 

Keep, Change, Change

500

When subtracting integers, how do you know if your answer will be positive or negative?

keep the sign of the biggest (absolute value) number

Adding Integers

100

6+(-4)

2

200

-3+2

-1

300

-5+ (-6)

-11

400

-20 + 3

-17

500

-12 + (-4) + (-3)

-19

Absolute Value

100

|-9| + |10| =

19

200

|15| - |-4| =

11

300

|4| + |9| =

13

400

|-10| + |-6| =

16

500

-|15| + |-10| =

-5

Subtracting Integers

100

7 - 10

-3

200

-5 - 7

-12

300

6- (-4)

10

400

-7 - 10

-17

500

-4 - (-6) - 2

0

Random

100

When is Mrs. Capozzi's birthday?

9/27

200

How many days are there in one year?

365 days

300

How many students are in the 8th grade?

16

400

There are 22 students in 7th grade, 11 in 7B. How many in 7A?

11

500

There are 22 students in 7th grade, 16 in 8th grade. If there are 55 total students, how many are in 6th grade?

17