fractions lesson3 4

Download Fractions lesson3 4

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  • 1. Fractions Lesson 3Understanding equivalentfractionsMALT2006 Maths/Fractions Slide Show : Lesson 3

2. These numbers are called fractions12312 15 2 2235 46 7MALT2006 Maths/Fractions Slide Show : Lesson 3 3. Here are somemixed numbers2 1 5 4 9 332 51 68 214MALT2006 Maths/Fractions Slide Show : Lesson 3 4. Todays lesson looks atEquivalent fractions6 38 4MALT2006 Maths/Fractions Slide Show : Lesson 3 5. WALT : to understand equivalentfractions and decide if fractions are equal 63 84MALT2006 Maths/Fractions Slide Show : Lesson 3 6. In the word equivalent there is the root wordequal6 38 4MALT2006 Maths/Fractions Slide Show : Lesson 3 7. Fractions which are said to be equivalent are equal to eachother. 6 3 8 4 MALT2006 Maths/Fractions Slide Show : Lesson 3 8. For example2 14 2MALT2006 Maths/Fractions Slide Show : Lesson 3 9. So if you were given 2 quarters ofa cake and your friend was givenhalf a cake would you both havethe same amount?2142 MALT2006 Maths/Fractions Slide Show : Lesson 3 10. Yes!These fractions are equal.These are equivalent fractions.2142 MALT2006 Maths/Fractions Slide Show : Lesson 3 11. Can you tell if the following fractions are equal?Are they equivalent fractions?3 16 2 MALT2006 Maths/Fractions Slide Show : Lesson 3 12. Yes these fractions are equal.They are equivalent fractions.3 16 2 MALT2006 Maths/Fractions Slide Show : Lesson 3 13. Are they equivalent fractions?4 26 3 MALT2006 Maths/Fractions Slide Show : Lesson 3 14. Yes they areequivalent fractions. 4 2 6 3MALT2006 Maths/Fractions Slide Show : Lesson 3 15. Are they equivalent fractions?3 1124 MALT2006 Maths/Fractions Slide Show : Lesson 3 16. Yes they are equivalent fractions. 3 1 124MALT2006 Maths/Fractions Slide Show : Lesson 3 17. Are they equivalent fractions?2 15 3 MALT2006 Maths/Fractions Slide Show : Lesson 3 18. No, they are not equal.They are not equivalent fractions. 2 1 5 3MALT2006 Maths/Fractions Slide Show : Lesson 3 19. Here are some equivalent fractions. Can you work out a strategy fordeciding whether they are equal?2184MALT2006 Maths/Fractions Slide Show : Lesson 3 20. Here are some equivalent fractions. Can you work out a strategy fordeciding whether they are equal? 4 210 5MALT2006 Maths/Fractions Slide Show : Lesson 3 21. Here are some equivalent fractions. Can you work out a strategy fordeciding whether they are equal?3193MALT2006 Maths/Fractions Slide Show : Lesson 3 22. Use thinking time to discuss.1 34 12MALT2006 Maths/Fractions Slide Show : Lesson 3 23. Use thinking time to discuss.5 1102MALT2006 Maths/Fractions Slide Show : Lesson 3 24. What ideas have you come upwith? 5 1 102 MALT2006 Maths/Fractions Slide Show : Lesson 3 25. Explain yourstrategy to the class.5 1102MALT2006 Maths/Fractions Slide Show : Lesson 3 26. There is a relationship betweenthe fractions using dividing and multiplying. 5 1 204 MALT2006 Maths/Fractions Slide Show : Lesson 3 27. What ever you do to thetop number . . You mustdo to the bottom number.5 1204MALT2006 Maths/Fractions Slide Show : Lesson 3 28. What ever you do to the top number . . You must do to the bottom number. divide by 55120 5 divide by 5 MALT2006 Maths/Fractions Slide Show : Lesson 3 29. What ever you do to the top number . . You must do to the bottom number. divide by 22142 divide by 2 MALT2006 Maths/Fractions Slide Show : Lesson 3 30. What ever you do to the top number . . You must do to the bottom number. divide by 33112 4 divide by 3 MALT2006 Maths/Fractions Slide Show : Lesson 3 31. What ever you do to the top number . . You must do to the bottom number. divide by 44120 5 divide by 4 MALT2006 Maths/Fractions Slide Show : Lesson 3 32. What ever you do to the top number . . You must do to the bottom number. divide by 22184 divide by 2 MALT2006 Maths/Fractions Slide Show : Lesson 3 33. What ever you do to the top number . . You must do to the bottom number. multiply by 3395 15 multiply by 3 MALT2006 Maths/Fractions Slide Show : Lesson 3 34. What ever you do to the top number . . You must do to the bottom number. multiply by 2249 18 multiply by 2 MALT2006 Maths/Fractions Slide Show : Lesson 3 35. What is the missing number? 1 5 10MALT2006 Maths/Fractions Slide Show : Lesson 3 36. What is the missing number? 4 8 4MALT2006 Maths/Fractions Slide Show : Lesson 3 37. What is the missing number? 324 40MALT2006 Maths/Fractions Slide Show : Lesson 3 38. Well done 324 405MALT2006 Maths/Fractions Slide Show : Lesson 3 39. Sometimes you might need to work out equivalent fractions inthree steps.48636484 MALT2006 Maths/Fractions Slide Show : Lesson 3 40. Follow up task H7 Textbook Page 38Questions 1,2,3MALT2006 Maths/Fractions Slide Show : Lesson 3 41. AnswersMALT2006 Maths/Fractions Slide Show : Lesson 3 42. End of this lesson, any questions or comments? MALT2006 Maths/Fractions Slide Show : Lesson 3