Vocabulary
"Number Stuff" - Integers, Absolute Value, Opposites, Decimals
Adding Integers
Subtracting Integers
Key Concepts
100

What is a terminating decimal?

A decimal that ends/stops.

100

| -5 |

5

100

-26 + (-12) =

-38

100

-17 - 19 =

-36

100

Which symbol which means a decimal repeats?

bar/line above repeating digits


200

Which of the following terms is positive:

Withdraw   OR   Deposit

Deposit

200

| 189 |

189

200

-15  + 28

13

200

89  - (-62) 

151

200

Finish the sentence describing the sign of absolute value answers:


Absolute Value is always __________.

POSITIVE

300

Define Integers

All counting numbers, their opposites, and zero.

(positive and negative counting numbers)

300

A number and its opposite combine to make ______

Zero

300

147 + (-325) =

-178

300

19 - 76 = 

-57

300
How do I write 3.8922222...... using bar notation?

             _

       3.892

400

The positive-valued opposite of "descend."

ascend

400

What equation would I type into my calculator to convert the fraction 5/17 into a decimal?

5 / 17

Numerator divided by denominator

400

-38 + 95 + (-25) =

32

400

54 - (-90) - 43 =

101

400

Describe our process for SUBTRACTING INTEGERS

Re-Write the problem to show "Add the Opposite" (or keep-change-change).  Then, follow the rules for adding integers.

500

Define "Absolute Value."

The distance from a number to zero.

500

Which situations below are represent by the OPPOSITE of -25?  *Select ALL answers.

A. The dolphin descended 25 feet in the water.

B. An eagle ascended 25 meters.

C. I earned $25 raking leaves.

D. I withdrew $25 from my checking account.

B and C

500

-1456 + 877 + (-439) =

-1018

500

-5673 - 23 + - 13 - 90 = 

-5799

500

If I add integers with DIFFERENT signs, how do I know whether my answer is positive or negative?

The answer/sum sign will match the addend digits of greater value.

Think - "The bigger number wins!"

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