Tools
Print them. Keep them in a binder. Use them on any problem.
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Fractions: What Do I Do?
Look at the sign, then add, subtract, multiply, or divide. Ends with the simplify check.
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How to Find Factors, GCF, and LCM
Find factors, pick the greatest common factor, count to the least common multiple.
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Is It Simplified All the Way?
The check loop: try 2, 3, 5, divide top and bottom by the same number, check again.
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Each tool fits on one sheet of letter paper. Open a tool and use the Print button, or your browser's Print. To watch the ideas move, see Learn.