Addition of + and - Integers
Subtraction of + and - Integers
Absolutely Valueless
Always, Never, Sometimes Rules
Application in the Real World
100

Evaluate (-13) + (-4)

What is -17

100

Evaluate 33 - 29

What is +4 or 4

100
The absolute value of -13

What is +13 or 13

100

When adding two negative numbers, the answer is 

always __________.

What is negative.

100

Heidi is playing a game. She gains 7 points, loses 10 points, gains 2 points, and then loses 8 points. What is her final score?

What is -9 points

200

Evaluate (+63) + (-39)

What is +24 or 24

200

Evaluate 43 - (-9)

What is +52 or 52

200

Evaluate

 -|-323|

What is  - 323

200

When adding integers with different signs, the answer is (always/never/sometimes) negative.


What is sometimes

200

The temperature in Saratoga Springs, New York, rose by 9 degrees celsius in 5 hours one mild winter day. If the starting temperature was -5 degrees celsius, what was the final temperature.

What is +4 or 4 

300

Evaluate 35 + (-50)

What is -15

300

Evaluate -29 - (-15) 

What is -14

300

Evaluate:

Negative 20 plus the absolute value of negative seventeen

What is -3

300

When subtracting two positive numbers, the answer is always positive.

True or False

What is False

300

Joel made deposits of $45, $18, and $27 into his account.  He then wrote checks for $21 and $93.  What is his account balance?

What is -$24

400

Evaluate -18 + (-62) + 100

What is +20 or 20

400

Evaluate -15 + (-22) - 6

What is -43

400

Evaluate |-18-13|

What is +31 or 31

400

A math student should never use the rule "keep change change" when adding integers.

True or False

What is True

400

Find the difference between 3000 F and -250 F, the temperature the space shuttle must endure. 

What is 3250 F

500

Evaluate 

-513 + (-29) + (-30) + 450 

What is -122

500

Evaluate -53 - (-29) - (-58) - 109

What is -75

500

|-4 + (-5)| - |9 - (-3)|

What is -3

500

When a math student adds a negative integer that has a larger absolute value to a positive integer with a smaller absolute value, the answer is (always/never/sometimes) positive.

What is never

500

Find the next three numbers in the pattern

7, 3, -1, -5, -9

What is -13, -17, -21