This is a collection of definitions related to prime and composite numbers.

This is a collection of definitions related to prime and composite numbers.

This is a collection of definitions related to prime and composite numbers.

This is a collection of definitions related to prime and composite numbers.

A bingo-style game where students identify the factors of numbers I the range 1-20.

Note: The download is a PDF file.

A table that lists all the factors for the numbers 1-10.

Note: The download is a PDF file.

A table that lists all the factors for the numbers 1-20.

Note: The download is a PDF file.

A table that lists all the factors for the numbers 1-5.

Note: The download is a PDF file.

This interactive reviews key third and fourth grade vocabulary on multiplication and division.

This interactive reviews key second through fourth grade vocabulary on multiplication and division.

This tutorial provides an overview of multiples and factors. This includes an exploration of generating multiples by skip-counting.

In this tutorial students are shown how to find the GCF of the numerator and denominator and how to use it to simplify a fraction.

Review key multiplication and division vocabulary with this interactive crossword puzzle.

In this Easter Egg hunt, students find the factors of a given number from a group of eggs with numbers on them.

In this Easter Egg hunt, students find the multiples of a given number from a group of eggs with numbers on them.

Find the factors of the numbers in the Christmas wreath. The possible factors are on the ornaments in the tree. Click on the right factor and earn 5 points.

Review multiplication and division vocabulary with this interactive and printable crossword puzzle.

Review key multiplication and division vocabulary with this interactive word search puzzle. This is the second in a series of such puzzles.

Review key multiplication and division vocabulary with this interactive word search puzzle.

5/23/11. In this issue we look at the swarm of cicadas along the Midwest and South. This periodic occurrence of cicadas is explored mathematically.

A table that lists all the multiples for the numbers 1-10.

Note: The download is a PDF file.

A table that lists all the multiples for the numbers 1-20.

Note: The download is a PDF file.

A table that lists all the multiples for the numbers 1-5.

Note: The download is a PDF file.

In this set of interactive flash cards students are asked to determine if a number is prime or composite. Press the Options button to decide how to display the flash cards. Press the Play button to auto-play the sequence of flash cards.

In this set of interactive flash cards students are asked to determine if a number is prime or composite. Press the Options button to decide how to display the flash cards. Press the Play button to auto-play the sequence of flash cards.

In this set of interactive flash cards students are asked to determine if a number is prime or composite. Press the Options button to decide how to display the flash cards. Press the Play button to auto-play the sequence of flash cards.