Math Aids
Math Aids: Estimation Worksheets
Great resource to practice and strengthen math skills pertaining to estimation. Math worksheets are printable, may be customized, and include answer keys.
Quia
Quia: Multiplication Madness Fives & Sixes
Do you need practice learning and remembering your multiplication facts for the fives and sixes? This word search is the web site for you! There is a link to a list of the numbers being used so you can check your answer.