Addition
11+2
13
2-1
1
1/2
one half
0x0
0
plus
When you add numbers together
20+10
30
12-9
3
4/4
one whole or four fourths
1x10
10
minus
when you subtract numbers
21+32
53
22-10
12
2/3
two thirds
2x8
sum
the total when you add
25+29
54
25-9
16
3/6
three sixths or one half
5x5
25
difference
the total when you subtract numbers
123+47
170
123-19
104
1 1/2
one and a half
9x4
36
product
the total when you multiply numbers