Add&Subtract Positive Integers
Add&Subtract Negative Integers
Add & Subtract Rational Numbers on a Number Line
Mystery Questions
100

-9 + 3 = 

What is -6? 

100

12 + (-6) = 

What is 6?

100

Ms. Aichinger has a beaker of water that is currently at 70 degrees. She adds some ice to lower the temperature by 15 degrees. What temperature did Ms. Aichinger get the water to? 

What is 55 degrees? 

100

What is the result of 70 minus 50 plus 20?

What is 40? 
200

Tuesday’s high temperature was at 20℉. The temperature dropped by 25℉  overnight. What direction on the number line is this?

What is left/down?

200

-7+5 = 

What is -2? 

200

The camera is at 6 1/2 feet, and it sinks 2 1/2 feet. What is the camera’s elevation in relation to the surface?

What is 4? 

200

What is the result of 20 minus 60? 

What is -40? 

300

On Monday morning, it was 25 °F outside.By afternoon, the temperature rose 20 degrees. 

What distance did the thermometer move and what is the resulting temperature? 

What is 20? 

What is 45°F? 

300

The temperature is -15℉ and it increases by 30℉ . Then, later in the day, it decreases by 20℉. What is the resulting temperature?

What is -5℉?

300

A kite is 30 feet in the air. What needs to happen to the kite in order for it to be at ground level? 

What is a drop of 30 feet? 

300

What is 6 units to the right of -1?

What is 5? 
400

It is first down in the football game, Malik's team has the ball at your 25-yard marker, and the play is a successful run for 9 yards. Where does the ball end up?

What is the ball ends up at the 34-yard marker?
400

Ms. Polanco's game score is -8 points. She spins the wheel in the penalty round to find out how many points would subtract from her score. The result of Ms. Polanco’s spin is -2 points. What is Ms. Polanco's score now?

What is -6? 

400

If the temperature was 0 degrees Celsius and then there was a temperature change of positive 5, what temperature change would return the temperature to 0 degrees Celsius? 

What is -5 degrees? 

400

What is 8 units to the left of 5? 

What is -3? 

500

Eddie subtracts a positive number from a greater positive number. The resulting difference will be? 

What is positive? 

500

Mrs. Vonknsky has $240 in her account. She spends $50 on a coat and $15 on lunch. She then goes to the bank and deposits $75 into her account. How much will Mrs. Vonknsky have left? 

What is 250?

500

Kate subtracts a positive number from a lesser positive number. The resulting difference will be? 

What is negative? 

500

What is 70 plus 30 minus 15 plus 45 plus 10 minus 60? 

What is 120? 

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