Show:
Adding Integers
Subtracting Integers
Adding Rational Numbers
Subtracting Rational Numbers
Math Rules
100

-|5| 

What is -5

100

|-8|

What is 8

100
-13.4 + 8.6
What is -4.8
100
-3.7 - 14.9
What is -18.6
100
Part 1 - what is the sign of the sum of 2 negative numbers? Part 2 - what is the sign of the sum of 2 positive numbers?
What is Part 1 - negative Part 2 - positive
200

4 + -1 

What is 3

200

7 - (-2)

What is 9

200
7.51 + 22.08
What is 29.59
200
22.43 - 4.07
What is 18.36
200
Double Jeopardy!!!! How can you know what 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.
300

-18 + -7

What is -25

300

-26 - (-11) 

What is -15

300
-41.90 + 22
What is 19.90
300
-81.36 - 41.93
What is -123.29
300
Give one of the 2 phrases or names we use in math to remind us how to change a subtraction sentence into an addition sentence.
What is Add the Opposite or Keep, Change, Change
400

-451 + -256

What is -707

400

14 - ( -3)

What is 17

400

-18 7/9 + 7 4/9

-11 3/9 or -11 1/3

400

14 1/7 - ( -3 3/14)

17 5/14

400
What has to be done before you can add or subtract fractions?
What is make the denominators the same
500

45 + -28

What is 17

500

-756 - 147

What is -903

500

-12 7/8 + -2 1/2

-15 3/8

500

-5 3/6 - (-10 2/3)

5 1/6

500
What has to be done before you can add or subtract decimals?
What is line up the decimal point (and the place values)