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Activity
Lawrence Hall of Science

The Math Page: Skill in Algebra: Word Problems That Lead to Simultaneous Equations

For Students 9th - 10th
Here is a site that clearly and thoroughly explains how to solve word problems that lead to systems of equations, such as mixture, coin, investment, and upstream/downstream problems. There are example problems solved, problems for the...
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Interactive
Calculator Soup

Calculator Soup: Math Word Problems: Addition & Multiplication

For Students 9th - 10th
Practice coin word problems. This calculator helps you practice word problems that involve addition and multiplication using coins.