Corrections to Primary Mathematics 6A
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This page last updated September 30, 2006


         
  p. 4 first arrow   Change "How much Paula's weekly allowance?" to "How much is Paula's weekly allowance?"
Change "Such as 8 for weeks..." to "Such as 4 for weeks..."
  p. 15 5th paragraph in notes   200 : 300, 30:30, 10:15, and 2 : 3 are equivalent ratios.
  p. 16     6 : 12 = 3 : 6 = 2 : 4 = 1 : 2
  p. 24 Practice 3A 7.

Bar should be labeled men and women, not boys and girls
  p. 32 Practice 3C 6. Arrow in After: diagram over Meili's bar should extend one more unit to the left.
  p. 39 Review B 22. Fraction of cherry cookies = 2/5 = 6/15 = 6 units
  p. 40 Review B 26. The bar for milk should have only one unit, not two.
  p. 71 Practice 4E 5.

US: The base is how many questions Tim answered correctly.
3d: The base is how many questions Ali answered correctly.
  p. 99 Review E 27.

8 units = 80
1 unit = 10
There are 5 units of adults and 3 units of chldren. 5 - 3 = 2
2 units = 10 x 2 = 20
  p. 101 Review E 37 The last label on the percentage ruler should be 130%, not 110%.
  p. 102 Review F 5.(d) 5 ft 10 in. = (60 in. + 10 in.) ÷ 7 = 70 in. ÷ 7 = 10 in.
  p. 103 Review F 18. 150 in.2
  p. 104 Review F 19. 27 ft3
  p. 104 Review F 27. 243 in.2
  p. 136 Review 4 25. Distance for 1/5 of the journey = 18/3 km