Key Terms
Numbers that can be written as a fraction.
Rational numbers
-20 + (-14) =
-34
-5/6 + (-7/6)=
-2
3 2/10+5 3/5=
8 4/5
4/5*1/3=
4/15
The distance between a number and zero.
Absolute Value
19 + (-7) =
12
-1/4 + 3/4=
1/2
3.7 - 0.35 =
3.35
8/15 divide 2/5=
4/3 or 1 1/3
Two different numbers that have the same absolute value.
opposite numbers (or additive inverses)
9 + (-15) + (-22) =
-28
2.2+(-5)=
-2.8
10.39 - 9.23 + 1.2
4 1/3 * 2 1/5 =
9 8/15
The set of whole numbers and their opposites.
integers
-72 + 34 + (-14) =
-52
8 3/5+(-9 1/5)=
-3/5
4 1/8 - 3 3/4=
3/8
3 1/2 divide 7=
1/2