SELECT Math
Boston Public Schools
Curriculum area: Mathematics Grade level: 7
School: Woodrow Wilson Middle School
Hardware used: Computer, InFocus projector, digital white board
Software used: Microsoft Word, Internet, "Mixing Orange Juice," a virtual manipulative available on the PBS Teacherline web site
Project Description
This investigation focused on the part-to-part and part-to-whole meaning of fractions. Students informally explored rates and ratios, using proportional reasoning to determine how to combine orange juice concentrate and water to make enough orange juice for a given number of people. The students used virtual manipulatives, such as online fraction circles and visual models, to help them solve problems and check their solutions.
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last updated: October 15, 2004
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