Integers
Compare and Order Integers
Add Integers
Subtract Integers
Vocabulary and Strategies
Error Analysis
100

The absolute value of 12.

+12

100

Compare -8 and 6

-8 < 6

100

12 + (-12)

0

100

5 - 10

-5

100

Whole numbers and their opposites.

integers

100

Why is this incorrect?  (-2) - (2) = 0

The numbers were subtracted without taking the negative into account. The answer is (-4)

200

The opposite of 5

 -5

200

Compare -1 and -4.

-1 > -4

200

-3 + (-5) 

-8

200

-5 - 10

-15

200

Numbers greater than zero

positive integers

200

Why is this incorrect?  (23) - (-13) = 10

Use the rule "Add the Opposite" Answer should be 36

300

|-42|

42

300

l-6l and -l7l

l-6l > -l7l

300

-14 + (-10)

-24

300

-29 - 14

-43

300

The distance a number is from zero.

absolute value

300

To model -3 + 9, you have 3 red counters and 9 yellow counters for a total of 12 counters.

Red counters and yellow counters cancel out with zero pairs. So there would only be 6 counters left = 6.

400

The integer that represents paying $26 for a pair of shoes.

-26

400

Order from least to greatest:  0, -2, 4

-2, 0, 4

400

-12 + (-5) + 4

-13

400

-26 - (-52)

26

400

Rule when adding integers with different signs 

Different signs - subtract

400

On a number line, to show -18 - 5, you start at -18 and then move right 5 to get -13.

Subtracting a positive means to move left. So from -18, you should move left 5 to get to -23.

500

The integer that represents $50 in a bank account.

+50

500

Order for from greatest to least:  -7, 0, -3, 2

2, 0, -3, -7

500

When adding and the signs of integers don't agree, the sign of the answer is determined by ....

The integer with the highest absolute value.

500

110 - (-70)

180

500

What is the rule for subtracting integers?

Add the Opposite

500

Why is this incorrect? The absolute value of 4 is (-4)

Absolute value of 4 is 4 since the 4 is 4 units away from zero. Absolute value is ALWAYS positive.

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