Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Missing Addend
0
%
0
0
0
Back
Restart
5 + __ = 12
7
Oops!
Okay!
5 + __ = 8
3
Oops!
Okay!
12 - __ = 10
2
Oops!
Okay!
17 + __ = 19
2
Oops!
Okay!
50 + ___ =
60
Oops!
Okay!
11 + __ = 15
4
Oops!
Okay!
14 - __ = 9
5
Oops!
Okay!
__ -5 = 15
20
Oops!
Okay!
1 2 + __ =1 6
4
Oops!
Okay!
13 + __ =1 5
2
Oops!
Okay!
__ -7 = 10
17
Oops!
Okay!
14 - __ = 9
5
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies