Adding Fractions
3 1/4 + 7 3/4
What is 11
-8 1/2 - 4
What is -12 1/2
3.4 + 8.6
What is 12
-3.7 - 4.3
What is -8
The sign of the sum of 2 negative numbers?
What is negative
8 2/3 +(-5 1/3)
What is 3 1/3
7 3/8 - (-2 1/8)
What is 9 1/2
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.(The most negatives or positives)
-1 4/6 + 4 5/6
What is 3 1/6
-6 2/5 - ( -1 1/5)
What is -5 1/5
-1.90 + 2
What is 0.1
1.36 - -1.93
What is 3.29
The shortcut we use in math to remind us how to change a subtraction into an addition.
What is Add the Opposite or Keep, Change, Change
-18 7/9 + 7 4/9
What is -11 1/3
14 1/7 - ( -3 3/7)
What is 17 4/7
- 8.17 + (-3.4)
What is -11.57
-7.85 - ( -1.03)
What is -6.82
What has to be done before you can add or subtract decimals?
What is line up the decimal point (and the place values)
-12 7/8 + -2 1/2
What is - 15 3/8
-5 1/2 - ( -10 2/3)
What is 5 1/6
-17.4 + 8.93
What is -8.47
26.14 - 11.78
What is 14.36
What has to be done before you can add or subtract fractions?
What is make the denominators the same