 # Rye Fractions

Nov 21, 2014

## 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]
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
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
• 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
Welcome message from author