Fractions Solving word problems Solve word problems involving addition and subtraction of fractions. Example: The fifth-grade class is assembling a 600-piece jigsaw puzzle.

Key points Word problems that can be solved by the same arithmetic operation have varying difficulty. Problems that involve the inverse relation between addition and subtraction are more challenging.

Kevin Dykema, a math expert, shares strategies for teachers to help students tackle word problems.

In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers.