Mental Math
10+15+15
40
5+1
6
7-3
4
5 × 3
15
10÷2
5
5+10+30
45
9+8
17
17-8
9
8 × 7
56
25÷5
5
100+150+190
440
15+2
17
25-3
22
15 × 3
45
100÷5
20
189+321
510
17+36
53
76-54
22
14 × 19
266
190÷5
38
1234+1234
2468
182+13
195
109-20
89
25 × 26
650
1000÷50
20