High Addition
20 + 8
28
64
6 tens
7 + 5
12
10 less than 15
5
10 more than 6
16
19 + 5
24
31
3 tens
15 + 5
10 less than 50
40
10 more than 16
26
38 + 4
42
16
1 ten
12 + 5
17
10 less than 66
10 more than 55
65
55 + 5
60
72
7 tens
13 + 7
20
20 less than 80
60
20 more than 44
64
100 + 12
116
1 ten
12 + 12
24
20 less than 120
100
20 more than 88
108