Addition to 20
17+3 =
20
11-6=
5
50+25
75
40-30
10
500+200
700
14 + 5 =
19
16-7=
9
65+35
100
92-18
74
750-150
600
7+6=
13
20-12
8
47+23
70
90-85
5
400+220
620
18
13-4
9
84+10
94
66-55
11
432+100
532
7+11=
18
19-6
13
28+34
62
74-12
62
990-300
690