Complete the table for problems 1-10.
Problem Original Expression
1.
2.
3.
4.
5.
12-(-6)
34-(-19)
14- (-15)
-18-4
-45-46
Write an equivalent
addition expression and
find the sum.
11+37
%
Write an unknown
addend equation and
fill in the unknown
addend.
1145
(8).
surface