Addition
Alex had 9 titanic books and he lent 3 to Cameron. How many books does Alex have left?
What is 6?
I am 13+8
What is 21
4 + ? = 20
What is 16?
I am 20+30
What is 50?
? - 10 = 30
What is 40?
25 - ? = 10
What is 15?
We have 22 students in our class. We have 10 girls and how many boys?
What is 12?