This document contains math problems involving addition, subtraction, multiplication and equals signs. The problems ask to combine terms using + and - signs and then write an equation using = and × signs. Solving the problems requires understanding order of operations and writing mathematical expressions.

1. Complete the following.
1.
++ ++ =
=×
2.
++ =
=×
3.
+ ++ =
=×
++ ++ =+
=×
4.