Improve your pattern-recognition and estimation skills as you practice multiplication and division. Children use techniques like breaking down numbers and fast addition to arrive at the correct answer — and to understand the concepts behind the proc

When your fourth grader is ready to move on to multiple-digit addition and subtraction, these riddles will make review fun and challenging.

This workbook is packed with worksheets that let kids sharpen math skills by practicing the four basic math operations as well as factoring.