Adding
What is 3+180
183
13 x 13
169
13-13-39
-39
What angles is less than 90
Acute
60-20
40
2+6
8
5 x 11
55
190+20
210
What is greater than 90
odtuse
20-10
10
1,000+100
101
7 x 8
56
23-17
6
What is less than 180
90
90-30
60
10+299
309
6 x 13
78
20-20
What is greater than 180
360
30 - 20
10
6,000+200
206
16 x 9
144
265-100
165
What is less than 360
180
45-20
25