addition
10 + 11
21
5 x 5
25
25 / 5
5
20-15
5
What symbol means "plus" or addition?
+
200 + 150
350
5 x 6
30
30 / 5
6
15-15
0
What symbol means "less than"?
<
1000 + 1000
2000
8 x 8
64
40/10
4
1000 - 50
950
What symbol means "less than or equal to"?
≤
1500 + 1600
3100
15 x 15
225
60/60
1
20-4-2
14
What symbol is used to show division?
÷ or /
1240 + 300 + 12
1552
16 x 4 x 4
256
11
12-6-0
6
What symbol represents the value of pi?
π