single digit addition and subtraction
3+?=7
3+4=7
10+?=23
10+13=23
?-15=12
27-15=12
100-?=50
100-50=50
There are 32 friends at a birthday party. 12 of them ate cake and the rest of them ate ice cream. How many friends ate ice cream?
12+?=32
32-12=20
?-6=2
8-6=2
?+12=34
22+12=34
42-?=25
42-17=25
152+?=177
152+25=177
Riley had some pictures in her camera. Jackson sent her 15 pictures. She now has 47 pictures. How many pictures did she have at the start?
?+15=47
47-15=32
9-?=6
9-3=6
43+?=85
43+42=85
?-43=25
68-43=25
?-83=83
166-83=83
Olivia was choosing books at the library. She had a pile of 54 books. In the end, she took 12 books home with her. How many books did she put back?
54-?=12
54-12=42
?+5=8
3+5=8
?+68=83
15+68=83
52-?=24
52-28=24
?+76=156
80+76=156
Emmett bought 92 pokemon cards. Over the years, he collected some more and now he has 256 pokemon cards. How many has he collected over the years?
92+?=256
256-92=164
4+?=9
57+?=91
57+34=91
?-52=23
75-52=23
267-?=154
267-113=154
Kingston scored 174 goals this season. Lior scored more goals than Kingston this season. In total, they scored 384 goals. How many more goals did Lior score?
174+?=384
384-174=210