Tens and Ones
3 tens and 0 ones
30
22 + 10
32
23 - 10
13
10 + 6
16
5+5 = 7+3
True (10)
6 tens and 8 ones
68
36 + 20
56
52 - 20
32
36 - 3
33
6 + 3 = 10 + 1
False
4 tens + 9 ones
49
14 + 30
44
64 - 30
34
63 + 7
70
23 + 4 = 15 + 12
True (27)
5 tens + 4 tens
90
71 + 20
91
10 - 10
0
76 + 5
81
23+10 = 10 +23
True (33)
8 tens - 3 tens
50
80+20
100
44-20
24
99 - 8
91
22 + 7= 20 +9
True (29)