Adding Fractions
-13.4 + 8.6
What is -4.8
-3.7 - 14.9
What is -18.6
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
7.51 + 22.08
What is 29.59
22.43 - 4.07
What is 18.36
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.
-41.9 + 22
What is 19.9
-81.36 - 41.93
What is -123.29
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
14 1/7 - ( -3 3/14)
17 5/14
117.4 + 8.93
126.33
7.85 - ( -31.03)
What is 38.88
What has to be done before you can add or subtract fractions?
What is make the denominators the same
-5 3/6 - ( -10 2/3)
What is 5 1/6
- 328.17 + 63.4
What is -264.77
206.14 - 131.78
What is 74.36
What has to be done before you can add or subtract decimals?
What is line up the decimal point (and the place values)