Fill in the missing number. Write the answer on the blank.

BEFORE BETWEEN AFTER

_______ 96 48 _______ 50 55 _______

_______ 48 63 _______ 65 92 _______

_______ 10 11 _______ 13 2 _______

_______ 100 79 _______ 81 29 _______

_______ 64 98 _______ 100 100 _______

Add the numbers without regrouping.

8 9 5 6 3 1+ 1 3 + 5 7

4 6 9 9 1 1+ 6 7 + 7 1 1

3 4 5 9 8 7+ 1 2 + 6 5

5 4 5 7 7 7+ 8 2 + 2 2