Addition
( )+23=45
22
30-( )=15
15
2x2=
4
10÷ 5=
2
2+3+4=
9
( )+30=100
70
67-( )=50
13
4x5=
20
25÷ 5=
5
10+9+3+1=
23
54+( )=71
17
( )-52=48
100
7x6=
42
42÷ 6=
7
34+16+12+10=
72
98+( )=145
47
335-( )=203
132
9x70
630
37÷ 9=
4R1
102+34+20+18+1
175
( )+127=347
220
( )-439=105
75x5
375
144 ÷ 12=
12
482+201+78+50+29+10=
850