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SingaporeMath in Action 4

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This session is on fractions across the elementary grades.

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SingaporeMath in Action 4

  1. 1. singaporemathinaction<br />Session 4<br />activities for fractions<br />Yeap Ban Har<br />National Institute of Education<br />Singapore<br />www.banhar.com<br />
  2. 2. singaporemathinaction<br />Is each cut into equal parts?<br />
  3. 3. singaporemathinaction<br />
  4. 4.
  5. 5. Make a triangle that is ¼ green.<br />
  6. 6. Make a triangle that is ½ green.<br />
  7. 7. Make a triangle that is a third green.<br />
  8. 8. How do you show ¾ of 6 and 6 of ¾? <br />
  9. 9. How do you show ¾ of 6 and 6 of ¾? <br />
  10. 10. Show half of 1 fourth.<br />
  11. 11. How do you explain multiplication of fractions?<br />
  12. 12. singaporemathinaction<br />Arrange the puzzle. Adjacent values must be the same.<br />
  13. 13. Fuchun Primary School<br />Every Child Counts<br />
  14. 14.
  15. 15. singaporemathinaction<br />This represents 1. Shade 1 half.<br />Fold the whole into fourths. Continue folding it into eighths<br />This represents 1. Shade 1 half.<br />Fold the whole into fourths. Continue folding it into eighths<br />This represents 1. Shade 1 half.<br />Fold the whole into fourths. Continue folding it into eighths<br />
  16. 16. singaporemathinaction<br />???<br />National Institute of Education<br />Salute!<br />The product is 4.<br />
  17. 17. What did you learn today? What are some questions you have about mathematics teaching?<br />Reflection<br />

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