1.   Bill has 4 apples. He eats one. How many apples are left?
   
    A. 1 B. 5
    C. 3 D. 2
    Hint

  2.   Jacob has 7 pieces of gum. He gave 2 away to his friends.

How many pieces does he have left?

   
    A. 5 B. 3
    C. 6 D. 4
    Hint

  3.   What is the missing number?

7, 8, ____, 10

    A. 8 B. 11
    C. 9 D. 6
    Hint

  4.   How many are there?
   
    A. 10 B. 9
    C. 11 D. 8
    Hint