Teach your kid this division trick for numbers ending in zero: simply divide the rest of the numbers, count up the zeroes, and then add them onto the answer.

Missing math signs? This sounds like a job for an especially ambitious mathematician!

Estimaplication--our made-up word for estimating and multiplying--will teach your fourth grader to do determine whether an answer sounds right, or far off.

This valuable worksheet teaches your fourth grader how to multiply three numbers, and gives him practice with the skill.

Help your child with his logic and number skills with this fun worksheet, which is similar to the number puzzle game of Sudoku.