1's - EXAMPLE (1+1)
2's
5's
100

1+5=___

6

100

2+2

4

100

5+5

10

200

1+10=___

11

200

2+4

6

200

5+25

30

300

1+23

24

300

2+19

21

300

5+5+5+10+5+5+5 (IF HARD YOU ARE ALLOWED TO SKIP)

40

400

1+66=

67

400
2+1

3

500

1+199

200

500

2+10

12