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Nov 21, 2014

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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