Multiplication

    http://www.aaamath.com/B/mul310x6.htm
    Practice multiplying with zeros.
    http://www.funbrain.com/cgi-bin/tens.cgi?A1=s&A2=4
    Practice your "rounding" skills.
    http://www.multiplication.com
    use this site to practice your multiplication skills
    http://www.mathslice.com
    this site has a variety of math activities