See:

So, What's A Fraction?

Multiple Strips & Fraction Bars
This page concretely presents multiples of a number and equivalent fractions.

The Decimal Bakery a math fairy tale on decimal computation

Fraction Computation Stated in Symbolic Form

A Game for Two Players  fun vocabulary drill on prime, composite, reciprocal, multiple

Recognition of Prime Numbers Game  a web page that permits one to test knowledge of the
primes and composites from 1 through 100

Divisibility Tests  2 through 10 with links to other resources

prime factorization of whole numbers from 1 to 122 in text form

Primes Spreadsheet  with a prime factorization of whole numbers from 1 to 122,
whole numbers from from 1 to 500 with primes marked in color

I'M PRIME
 primes, composites, divisibility, factor, lcm, gcf VOCABULARY
