Show:
Important Concepts
Adding Integers
Subtracting Integers
Word Problems
Mixed Review
100

Absolute Value

The distance of a number from zero

100

-5 + 9

4

100

-4 - 6

-4 + (-6) = -10

100
Jason dives 10 feet under water and swims back up 3 feet. Where is his current location in the water?
-10 + 3= -7
100

What is the rule for adding two negative numbers

Take the sum and keep the negative sign

200

Integer

Positive and negative whole numbers and 0

200

-12 + 5

-7

200

4 - 11

4 + (-11) = -7

200
Chris gets paid $100, and then must pay his cable bill which is $245. How much money does he have?
100 - 245 = $-145
200

What is a rational number?

Any whole number, fraction, terminating or repeating decimal.

300

What are additive inverses

Numbers that are opposite and have a sum of zero

300

-16 + (-17)

-33

300
15 - (-7)
15 + 7 = 22
300

The temperature is now 76 degrees, it rose 12 degrees overnight. What temperature was it last night?

76-12 = 64 degrees

300

How do we convert from a fraction to a decimal?

Divide the numerator by the denominator

400

What does this mean? |-6| = 6

The absolute value of -6 is 6, or -6 is 6 units from zero.

400

How do you find the sum of numbers with different signs

Subtract and take the sign of the # with the greater absolute value

400

-27 - (-3)

-27 + 3 = -24

400
In a game, Jareek earned 15 points in the first round, in the 2nd round he lost 20 points for not showing sportmanship. In the final round he scored double what he did in the first round. What is his final score?
15 + (-20) + 30 = 25 points
400

Is this absolute value of -12 greater or smaller than the absolute value of -16?

Smaller

500

Subtracting a positive number is the same thing as...

Adding a negative 7-4 = 7 +-4

500

-16+18+-17

-15

500

-10 - 11 - (-3)

-10 + (-11) + (3)= -18

500

Nikkia starts with $1000 in her bank account, she withdraws $750 to pay her rent. She lets a friend borrow $70, buys new clothes for $120. She finds $100 cash on the street, and deposits 1/4 of it. How much money is in her bank account?

$85

500

What is the rule for adding a positive and negative number?

Find the difference and take the sign of the larger number