Fractions
What is the rule when subtracting integers?
Add the Opposite
3.4 + (-0.7)
2.7
-1/2 + 0.5
0
1/2 + (-3/2)
-1
-1.2 - 1
-2.2
0.25 / (-1/4)
1
-2 2/3 + (-2 1/3)
-5
-8 - (-12)
4
3.005 - (-2.1)
5.105
8.5 x (-5.2)
-44.2
opposite numbers
ex: 5 & -5
additive inverse
What is the difference between whole numbers and counting numbers?
whole numbers includes 0
-3/5 / 4/7
-1 1/20
8 x (-3) x 2
-48
-5.5 / -1.1
5
3/5 rewritten as 5/3
reciprocal
(-8) + (-1/2) + (-0.25)
- 8 3/4