Same Sign Addition
Different Sign Addition
Number Line/Mixed
Mixed
Word Problems
100

145+330

475

100

-19+5

-14

100
When adding two positive numbers, which direction do you move on a numebr line?
To the right
100

How many zero pairs does the expression have? 

-75+(-22)

none

100
What is the additive inverse of -5?

5

200

 -86+(-28)

-114

200

15+(-30) +(-3)

-18

200

Please draw a number line using VECTORS for (-9)+4 and find the sum.

Answer: You must have a number line drawn with two vectors displayed. 

Sum: -5

200

How many zero pairs does the expression have?

-378+48

48

200

When adding numbers with different signs, what is a rule to find out if the sum is negative or positive?

Whatever number has the higher absolute value will determine the sign

300

-247+(-38) + (-21)

-306

300

-234+182?

-52

300

Draw a number line using hops to simplify the expression below. Then, state the sum. 

7 + (-3) + (-6)

You must have a number line with three sets of hops. The hops must end with an arrow. 

Sum:-2

300

Explain with correct vocabulary whether the sum in positive or negative and why. 

-20 + 15

Negative. This is because the number with the larger absolute value(further from zero) is negative.

300

At midnight, the temperature outside was -12 degrees. By noon the next day the temperature rose 4 degrees. What is the temperature at noon the next day?

-8 degrees

400

-138.3+(-9.7)

-148

400

-62.72 +50.3

-12.42

400

Simplify 8+(-12) + 16 + (-20) + 1 + 13 + (-4).

2

400

Determine if the sum is positive or negative and state how you know.

-800+(-900)

The sum is negative because when you add two negative integers the sum is always negative. No zero pairs are created.

400

Christine lost 14 pounds in one month of dieting. In the next month, she lost another 28 pounds. In the third month, she gained back 45 pounds. Which addition expression can be used to find Christine's net weight gain/loss over the course of three months?

-14 + (-28) + 45

500

-4.35 + (-4.22) + (-4.07) + (-4.1)

-16.74

500

72+(-99) +123 + (-6)

90

500

-16.8 + (-16.8) + 4.2

-29.4

500

73+(-5) + (-4) + (-73) + 5 + (-4)

-8

500

On Monday, Ashley finds $5 on the ground. On Tuesday, she remembers that she owes her sister $6. On Wednesday, her mom gives her an allowance of $13. Write an addition expression to model the situation.

5 + (-6) + 13

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