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What is .999...?
Use a calculator to find the decimal representation of 1/ 9. Based on the result, predict the decimal representations of 2/ 9, 3/ 9, 4/ 9, ..., and 8/ 9. Use a calculator to check your predictions. Continuing with the pattern, what do you think the decimal representation of 9/ 9 will be? How can that be?
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Related External Resources |
Visual Fractions [ java applet ]
A series of java programs using number lines to help visualize fractions and the operations on them.
No Matter What Shape Your Fractions are In
A geometric approach to fractions.
Search for Wholes
A lesson plan in which students find fractional wholes and equivalent fractions.
 Submit your idea for an investigation to InterMath.
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