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Rye Fractions

Nov 21, 2014

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Education

jimmy-keng

This presentation on Fractions was for Grades 4 to 6 teachers from elementary and middle schools of Rye City School District in New York.

  • 1. teaching
    fractions
    Yeap Ban Har
    National Institute of Education
    Nanyang Technological University
    Singapore
    [email protected]
    Slides are available for download from
    www.banhar.blogspot.com or www.mmepdpm.pbworks.com
  • 2. Grade 1 materials, consolidated over four years build the foundation for Grade 5 and Grade 6 materials.
  • 3. teaching
    fractions
  • 4. How many thirds are there in 1 whole?
  • 5. How many thirds are there in 1 whole?
    How many thirds are there in 2 wholes?
  • 6. teaching
    fractions
    Grade 4
    Grade 6
    How many thirds are there in 1 whole?
    How many thirds are there in 2 wholes?
    How many thirds are there in ?
    How many thirds are there in ?
  • 7. teaching
    fractions
    How many 2 thirds are there in 1 whole?
  • 8. This is a 2-thirds.
    This is half of 2-thirds.
  • 9. teaching
    fractions
    How many sixths are there in 1 half?
  • 10. How many sixths are there in 1 whole?
    1 half?
  • 11.
  • 12. developing
    visualization
    How Can I Help My Students See It?
    extensive
    use of visuals
    in textbooks
    developing visualization
  • 13.
  • 14. Adding like fractions, sum less than 1
    Adding unlike, related fractions, sum less than 1
    Adding unlike fractions, sum less than 1
    Adding like and related fractions, sum more than 1
    Adding unlike fractions, sum more than 1
    Adding mixed numbers
  • 15. conceptual
    understanding
    spiral
    curriculum
    mathematical
    variations
    concrete
    key
    pictorial abstract
    features
    of
    singapore
    math
    using fractions as a case study
  • 16. teaching
    fractions
    [email protected]
    www.banhar.blogspot.com
    for addresses of websites and blogs of various aspects of singapore math
    thank you
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