Numbers Facts

Learning games, educational comics, reading activities, and more.

6th grade math knowledge map info

Test how well you know fourth-grade math vocabulary

In this video, Salman Khan of Khan Academy demonstrates multiplying and dividing negative numbers.

In this video, Salman Khan of Khan Academy demonstrates adding and subtracting negative numbers.

AAA Math features a comprehensive set of interactive arithmetic lessons. Unlimited practice is available on each topic which allows thorough mastery of the concepts. A wide range of lessons (Kindergarten through Eighth grade level) enables learning or review to occur at each individual's current level. Immediate feedback prevents practicing and learning incorrect methods, which is a common result of traditional homework and worksheets. Practice can continue as long as desired in a non-threatening format which helps build self-esteem and confidence.

This page explains how to do basic addition and gives examples for practice of sums.

A description and comparison of number names and place values

This is a great site for kids to learn about what numbers are called…beyond trillions. It allows kids to learn that numbers can go on forever and that there is a name for them.

Easy-to-understand definitions, with illustrations and links to further reading.