Math Primary 4: Fraction

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Math Primary 4: Fraction

  1. 1. Divide in two piece equally one part of two In fraction : ½ In word : a half
  2. 2. Divide in three piece equally one part of three In fraction : In word : one third 1 3
  3. 3. one part of four In fraction : In word : one fourths or a quarter 1 4
  4. 4. two part of four In fraction : In word : two fourths 2 4
  5. 5. In fraction : In word : two third 2 3 In fraction : In word : two fifths 2 5
  6. 6. In fraction : In word : three fifths 3 5 In fraction : In word : two sixths 2 6
  7. 7. EQUIVALENT FRACTIONS 1 2 2 4 1 2 2 4 = or 1 2 2 4 = 4 1 2 2 4 = x 2 x 2 1 2 2 4 = : 2 : 2
  8. 8. 1 2 = one half 2 4 = two fourths 4 8 = four eighths 8 3 6 = three sixths 1 2 2 4 = = 3 6 4 8 =
  9. 9. 1 2 2 4 = 4 8 1 2 = 1 2 2 4 = x 2 x 2 1 2 4 8 = x 4 4 8 1 2 = 1 2 3 6 = 1 2 4 8 = x 4 1 2 3 6 = : 3 : 3
  10. 10. 2 3 6 9 = 5 25 1 5 = 2 3 6 9 = x 3 x 2 1 5 5 25 = x 5 5 25 1 5 = 10 30 1 3 = 1 5 5 25 = x 5 10 30 1 3 = x 10 x 10
  11. 11. 2 8 1 4 = 1 3 5 15 = 2 8 1 4 = : 2 : 2 5 15 1 3 = : 5 1 3 5 15 = 1 5 4 20 = 5 15 1 3 = : 5 1 5 4 20 = : 4 : 4
  12. 12. 1 8 5 40 = 1 5 3 15 = 1 5 3 15 = 4 80 1 20 =
  13. 13. COMPARE AND ORDER FRACTIONS Which is a greater fraction or1 2 1 3 1 2 1 32 3 is greater than or 1 2 1 3 1 2 1 3>
  14. 14. Which is a greater fraction or2 8 2 6 2 8 2 is greater than or 2 6 2 8 2 8 2 6< 2 6
  15. 15. Which is a greater fraction or2 3 3 5 2 3 10 15 = x 5 x 5 3 5 9 15 = x 3 x 3 10 9 > x 5 x 3 10 15 9 15 > 2 3 3 5 >
  16. 16. Which is a greater fraction or3 7 2 3 3 7 9 21 = x 3 x3 2 3 14 21 = x 7 x 7 9 14 < x3 x 7 9 21 14 21 < 3 7 2 3 <
  17. 17. 1 8 2 5 < Which is a greater fraction 2 5 3 7 > 5 9 6 8 < 3 4 9 12 =5 7 > 3 7 4 6 < 4 12 = 1 8 2 5 <
  18. 18. 2 3 8 12 = x 4 x4 1 2 6 12 = x 6 x 6 Arrange fractions in order beginning from the smallest 2 3 1 2 , 3 4 , 3 4 9 12 = x 3 x 3x4 x 6 x 3 6 12 8 12 < 1 2 2 3 , 9 12 < 3 4 ,smallest
  19. 19. Arrange fractions in order beginning from the smallest 8 20 5 20 2 5 1 4 , 1 2 , 10 20 = 1 4 2 5 , 1 2 , 20 20 20 24 40 10 40 3 5 1 4 , 5 8 , 25 40 = 1 4 3 5 , 5 8 ,
  20. 20. Arrange fractions in order beginning from the greatest 48 60 20 60 4 5 2 6 , 3 10 , 18 60 = 4 5 2 6 , 3 10 , 60 60 60 18 24 6 24 3 4 2 8 , 5 6 , 20 24 = 5 6 3 4 , 2 8 ,
  21. 21. Improper Fraction and Mixed Number 1 2 2 2 1 = 2 2 1 2 + 3 2 = Improper fraction Mixed number1 2 + 1 2 =1 1or, 3 2 1 2 =1
  22. 22. 2 3 3 3 3 3 + 6 3 = = 2 6 3 2 3 + 8 3 = Improper fraction Mixed number2 3 + 2 3 =2 2or, 8 3 2 3 =2
  23. 23. 12 3 15 12 4 3 = 3 4 12 4 3 4 + 15 4 = Improper fraction Mixed number3 4 + 3 4 =3 3or, 15 4 3 4 =3
  24. 24. 5 2 = 1 2 2 10 3 = 1 3 3 15 7 = 1 7 2 13 6 =1 6 2 35 8 =3 8 4 44 5 =4 5 8 7 = 7 2 23 4 = 3 4 5 32 9 = 5 9 3 5 = 5 8 14 12 =2 12 1 71 10 =1 10 7

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