Adding and Subtracting Integers

Adding Integers with Same Sign

100

3 + 4

What is 7? 

200

-8 + (-1)

What is -9?

300

-4 + (-5) + (-6)

What is -15?

400

5 + 198

What is 203?

500

-50 + (-175) + (-345)

What is -570?

Using Integers 2, 5, 7, -3, -5,-9

100

___ + ___ = -12

What is -3 and -9?

200

__ + __ = 12

What is 5 and 7?

300

__ + __ = -14

 What is -5 and -9?

400

__ + __ + __ =-17

What is -3, -5 and -9?

500

__ + __ + __ =14

What is 2, 5 and 7?

Adding Integers with Different Sign

100

4 + (-3)

What is 1?

200

-7 + 5

What is -2?

300

13 + (-13)

What is 0?

400

32 + (-8)

What is 24?

500

-500 + (-600) + 1200

What is 100?

Rules

100

Add the absolute values of the integers. Use the common sign for the sum.

What is adding integers?

200

Subtract the lesser absolute value from the greater absolute value.  Use the sign of the integer with the greater absolute value for the sums.

What is adding integers with different signs?

300

The sum of a number and it's opposite 

What is 0?

400

3 + (-3) is an example 

What is additive inverse?

500

distance from zero

What is absolute value?

Subtracting Integers

100

-4 - (-3)

What is -1?

200

-2 - (-5)

What is 3?

300

5 - 8

What is -3?

400

19 - (-19)

What is 38?

500

-127 - (-225)

What is 98?

Applying Addition and Subtraction

100

-5 - 12 + 8

What is -9?

200

-6 + 15 + 15

What is 24?

300

6 + 13 + 7 - 5

What is 21?

400

50 - 42 +10

What is 18?

500

-35 -14 + 45 + 31

What is 27?

Comparing Values of Expresssions

100

-12 + 6 -4  or -34 - 3 +39

What is (-12 + 6 -4) < (-34 -3 +39)?

200

21 - 3 + 8 or -14 + 31 - 6

What is (21 - 3 + 8) > (-14 +31 -6)?

300

-5 + 12 +10 - 7 or 10 + -5 -7 +12

What is equal?

400

-10 -18 +5 -12 or 0 -20 +5 -18

What is (-10 -18 +5 -12) < (0 -20 +5 -18)?

500

-2 +6 + (-5) + 2 + 3 +(-5) or 2 - 6 + 5 -2  -3 + 5

What is (-2 +6 + (-5) + 2 + 3 +(-5)) < (2 - 6 + 5 -2  -3 + 5)?