1115, counting on in fives: , , , working
12217, counting on in ones: , , , working
13719, counting on in ones: , , , working
1410, counting on in fives: , , , working
15800, counting on in tens: , , , working
16200, counting on in hundreds: , , , working
175, counting on in fives: , , , working
18917, counting on in ones: , , , working
19430, counting on in tens: , , , working
20225 + 100 = working