4th Grade - Operations & Algebraic Thinking:

Four Operations with Whole Numbers -

Multiplicative Comparison


Cameron’s Trip Multiply and divide to solve problems Cameron encountered on his trip
Learning Multiplication and Division Great help for showing how multiplication and division really works.  Also, great lesson on fact families
Math Hoops Word problem practice for grades 3-5, with problems ranging from single-step addition to multi-step equations
Math Playground Interactive site to practice solving word problems with two levels of difficulty