Single Digit
2+4=
What is 6?
11+12=
What is 23?
100+137=
What is 237?
10+15+25=
What is 50?
7+9=
What is 16?
3+9=
What is 12?
20+65=
What is 85?
280+300=
What is 580?
20+50+77=
What is 147?
34+56=
What is 90?
4+8=
What is 12?
25+75=
What is 100?
410+350=
What is 760?
65+51+67=
What is 183?
123+300=
What is 423?
8+6=
What is 14?
46+55=
What is 101?
762+550=
What is 1,312?
What is 199?
78+12+55=
What is 145?
9+9=
What is 18?
77+36=
What is 113?
814+312=
99+90+56=
What is 245?
678+31+453=
What is 1,162?