Terms
Number Line
A strategy used for addition and subtraction problems
5+4
9
456-279
177
46 + (79)
125
4 1/2 - 2 3/4
1 3/4 or 7/4
Common Denominator
Used in addition and subtraction of fractions
-12 + 7
-5
425-154
271
-52 + (-52)
0
6 1/8 + 4 1/6
247/24 or 10 7/24
Integer
All whole numbers, including 0
24+27
51
765-242
523
(-273) - 237
36
8 4/9 + 2 2/3
100/9 or 11 1/9
Rational Number
All numbers that can be plotted on a number line
84+63
147
477-573
-96
(-4 2/3) - (2 1/6)
2 1/2 or 5/2
14 5/7 - 5 5/8
9 5/56 or 509/56
Additive Inverse
The opposite
103 + (-256)
-153
1245-978
-1271 1/7 or -8898/7
-13 1/6 + (-14 1/6)
-27 1/3 or -82/3