Vocab
Adding Integers
Subtracting Integers
Mix
Word Problems
100
Absolute Value
The distance of a number from zero
100
-5 + 9
4
100
-4 - 6
-10
100

Subtracting a negative is the same thing as...

Adding a positive

100

Maria had $45 in her account. She withdraws $60 at the mall. What is her account balance now?

-$15

200
Integer
The set of whole numbers and their opposites.
200
-12 + 5
-7
200
4 - 11
-7
200

2.1 + 7.8

9.9

200

In the morning, the temperature was 12°F. By the afternoon, the temperature dropped by 18°F. What is the temperature now?

-6°F

300
Opposite
The opposite of a number is the same distance from zero as the original number just on the other side.
300
-16 + (-17)
-33
300
15 - (-7)
22
300

3.25 - 2.1

1.15

300

A hiker starts at 250 feet above sea level. She climbs 40 feet up the trail, then descends 120 feet. What is her new elevation?

170 feet above sea level

400
|-6|
Absolute value of -6 = 6
400
How do you find the sum of numbers with different signs
Subtract and take the sign of the bigger number
400
-27 - (-3)
-24
400

6.5 - 2.25

4.25

400

The coldest day in January was –12°F. The hottest day in July was 92°F. What is the difference between these two temperatures?

104°F

500
6 and -6
Opposites
500
-16+18+-17
-15
500
-10 - 11 - (-3)
-18
500

-1.5 + 2.6

1.1

500

A football player gained 15 yards on the first play, lost 23 yards on the 2nd play and then gained 3 yards on the next play. How many yards did he gain or lose overall?

-5 yards

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