Teen by Teen
Digit by Two Digits
Divide by 5
Multiply by 5
Add by 5
100
17 X 18
306
100
6 X 14
84
100
13 / 5
2.6
100
63 X 5
315
100
5 + 5
10
200
16 X 16
256
200
8 X 36
288
200
26 / 5
5.2
200
17 X 5
85
200
2 + 5
7
300
13 X 15
195
300
36 X 2
72
300
97 / 5
19.4
300
89 X 5
445
300
95 + 5
100
400
18 X 14
252
400
8 X 68
554
400
32 / 5
6.4
400
74 X 5
1,480
400
65 + 5
70
500
16 X 17
272
500
3 X 10
30
500
52 / 5
10.4
500
35 X 5
175
500
78 + 5
82