Adding Integers
5
10-5=
5
The set of whole numbers and their opposites
Integers
3 yellow counters + 2 Yellow counters =
5 (yellow counters)
-4
8 + (-1)=
7
-8
The numbers to the left of the zero on the number line ex. -8, -5, -3, -2, -1
Negatives
5 red counters + 2 yellow counters =
3 yellow counters
(-10)-(-8)=
-2
0
7 - (-1)=
8
The numbers to the right of the zero on the number line ex. 1,2,3,4,5
Positives
6 red counters + 3 red counters=
(+5) - (-3)=
8
(-10) + (-4)=
-14
-13
When we subtract a negative we _____ _________
Add the opposite
5 red counters - 6 red counters =
1 (yellow counter)
(-12) - (12)=
-24
(-12) +7 =
-5
(-10)- (-10) =
0
True or False:
The following questions give the same answer:
5 + 2=
5- (-2) =
True, answer is 7
4 red counters - 6 yellow counters=
-10 (red counters)
(+7) - (-3)=
10