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CK-12 Foundation
Ck 12: Arithmetic: Fraction Ordering With Lowest Common Denominators
[Free Registration/Login may be required to access all resource tools.] Order fractions from least to greatest and greatest to least using lowest common denominators.
Texas Instruments
Texas Instruments: The Candy Caper
In this activity students learn to use estimation to determine the number of candies in various size cylinders. They compare estimated numbers to actual numbers and investigate the relationship between the two numbers.