Addition
Subtraction
Multiplication
Division
Real World Problems
100
24 + (-13)
11
100
(-24) - (-32)
8
100
-5 times -6
30
100
-20/-5
4
100
What is the approximate temperature shown on each thermometer?
A = 86.5
B = 52
C= -2.9
D= -11.6
(answers within 2 degrees will be considered correct.)
200
-18 + 5
-13
200
24 - 32
-8
200
-5 times 6
-30
200
(2+3)/(-2+(-3))
-1
200
In 2020, Kathryn Sullivan and Vanessa O'Brien became the first women to reach the deepest-known point in the ocean. They started out at `0` feet and traveled at a constant rate toward the ocean floor.
How much did their elevation change each minute?
-150 feet per minute
300
(-20) + (-19)
-39
300
-18 - 14
-32
300
-3 times -3 times -3
-27
300
-48/6
-8
300
In 2020, Kathryn Sullivan and Vanessa O'Brien became the first women to reach the deepest-known point in the ocean.
What was Kathryn and Vanessa's elevation `90` minutes after they started their journey to the bottom of the ocean?
-13500 feet
400
189 + 75
264
400
76 - (-22)
98
400
-5 times 4 times -2
40
400
(-5 times -8)/(4 times -2)
-5
400
In 2020, Kathryn Sullivan and Vanessa O'Brien became the first women to reach the deepest-known point in the ocean.
How many minutes did it take them to reach `-27000` feet after they started their journey?
180 minutes
500
Describe a situation where you will get a negative answer when solving an addition problem.
1) The value of the negative number is greater than the value of the positive number.
2) All the numbers in the addition equation are negative.
500
What happens when you subtract a negative number?
It becomes adding a positive number because it is removing anchors.
500
Explain how you know if the answer to a multiplication problem will be negative.
There will be an odd number of negative numbers being multiplied.
500
Explain how to tell if the answer to a division problem will be positive.
The numbers will all be positive, or have an even number of negative numbers.
500
What is the approximate change in Greenland's ice mass from 2010 to 2011?
-463 gigatons