Subtraction

Vocabulary

Distance

Word Problems

100

0-9

-9

100

When two opposite integers add up to 0

Additive Inverse

100

l 8 - 9 l

1

100

A hiker starts hiking at the beginning of a trail at a point which is 200 feet below sea level. He hikes to a location on the trail that is 580 feet above sea level and stops for lunch.What is the vertical distance between them?

780

200

15-8

7

200

Subtraction can become addition by doing what?

Adding the opposite

200

l 15 - (-15) l

30

200

Steve's airplane takes off and then climbs 2500 feet. After 20 minutes, the airplane descends 150 feet. What is the airplane's current height? Write the equation and solve.

2350

300

-5 - (-6)

1

300

What are integers

All positive and negative whole numbers and zero

300

l -10 - 6 l

16

300

Tiffany received 200 dollars for her birthday from her parents. She went shopping and spent 137 dollars at her favorite store. How much money did she have left after her shopping trip?Write the equation for the word problem and solve.

63

400

7 - (-14)

21

400

What is the definition of absolute value

the distance an integer is from 0

400

l 26 - (-5) l

31

400

During a football game the offense started on the 50 yard line. After three plays they made it to the 2o yard line. What distance did the football team travel

30

500

7 - 5 - (-6)

8

500

What is the distance formula

Absolute value of the difference of two integers.

500

l 14 - 23 l

9

500

Dani and Ashley were digging in the sand at the beach. Dani dug a whole that was 20 inches below the surface and Ashley dug a hole 7 inches below the surface. Find the difference in depths of their holes. Write the equation and solve.

13