Best Buys, Ratios, and Rates: Addition and Subtraction of Fractions

by Catherine Twomey Fosnot and Bill Jacob

Best Buys, Ratios, and Rates: Addition and Subtraction of Fractions is one of five units in the Contexts for Learning Mathematics Investigating Fractions, Decimals, and Percents (46) The focus of this unit is the development of equivalence of fractions, proportional reasoning, and rates. It begins with a comparison of the cost of cat food at two stores: Bobs Best Buys where it is on sale, $15 for 12 cans, and Marias Pet Emporium...

• Format: Paperback
• Language: English
• ISBN: 0325010269
• ISBN13: 9780325010267
• Release Date: March 2008
• Publisher: Heinemann Educational Books
• Length: 80 Pages
• Weight: 0.50 lbs.
• Dimensions: 0.3" x 7.6" x 10.8"
• Grade Range: Grades 5 to 6