Adding and subtracting Fractions
Finding Distances
Adding and subtracting Decimals
Adding and Subtracting word problems
Math Rules
100

-8 1/2 - 4

What is -12 1/2

100

You walk 3 miles from your house to the store. At the store you meet up with a friend and walk with her 1 mile back towards your house. How far are you from your house now?

What is 2 miles

100
-13.4 + 8.6
What is -4.8
100

Cameron has a current account balance of -$15.

 What does he need to do to reach an account balance of $0? 

What is +15

100

What is the sign of the sum of 2 positive numbers? 

What is positive

200

4 5/6 + (-1 2/6)

What is 3 1/6 or 3 1/2

200

What is the distance between 27 and 83?

What is 56

200

-3.7 - 14.9

What is -18.6

200

Arnav starts with -$5

 in his bank account. He withdraws $15. What is his account balance after withdrawing the $15? 

What is -$20

200

What is the sign of the sum of 2 negative numbers?

What is negative

300

-18 7/9 - (-7 4/9)

What is -11 1/3

300

You are standing on a cliff that is 26 feet above sea level.  Your friend jumps off and goes 12 feet under the water.  How far apart are you now?

What is 38 feet

300
-41.90 + 22
What is 19.90
300

The temperature at midnight was −4° C. By 8 am, it had risen 1.5°. By noon, it had risen another 2.7°. Then a storm blew in, causing it to drop 4.7° by 6 pm. What was the temperature at 6 pm?

What is -4.5

300

Give the phrases we use in math to remind us how to change a subtraction sentence into an addition sentence.

What is Add the Opposite

400
3 1/4 + 7 3/4
What is 11
400

A turtle is swimming 10 feet below the surface of the water.  A shark is swimming 29 feet below the surface.  How far apart are the two?

What is 19 feet

400

7.85 - ( -31.03)

What is 38.88

400

The temperature rose 7˚F between noon and 5 p.m. and then fell 9˚F from 5 p.m. to 10 p.m. If the temperature at noon is 60˚F, what would the temperature be at 10 p.m.?

What is 58 degrees

400

What has to be done before you can add or subtract fractions?  What needs to be the same?

What is make the denominators the same

500
-12 7/8 + -2 1/2
What is - 15 3/8
500

An eagle is flying 232 feet in the air.  She spots a fish that is  6 feet under the water. How far with the eagle have to go to catch the fish?

What is 238 feet

500

- 328.17 - 63.40

What is -391.57

500

The temperature rose 10˚F between noon and 5 p.m. and then fell 8˚F from 5 p.m. to 10 p.m. If the temperature at noon is 80˚F, what would the temperature be at 10 p.m.?

What is 82

500

How can you know what the sign will be for the sum of a negative and a positive number?

The answer will have the same sign as the number with the greatest absolute value.