Home Instructor's Guide for
Primary Mathematics 3B

This page last updated June 13, 2007


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  ii week 8 change Review D (appendix) to Practice 4D (appendix), put before Review C 2003, 2004  
  p. 6 calculations on the right

37 + 70 = 107
37 + 68 = 105
37 + 70 = 107
or 37 + 68 = 105
35 + 70 = 105

2003, 2004  
  p. 10 Learning Tasks 1-5, pp. 8-9 1.(a) 55; 53; 53
4.(f) 8
2003, 2004  
  p. 35 US Page 28 should be Page 27   2003  
    Learning Taska 1-2 p. 27 1. Answer should be 21 mi. 2003  
      2.(a) first answer should be 2930 mi. 2003, 2004  
    activity Remove the 3d> in front of this activity.
3rd sentence in the problem should read: "What is the distance between Dallas and El Paso?"
2003, 2004  
  p. 44 Notes A liter is slightly more than a quart. 2003, 2004, 2007  
  p. 71 Learning Tasks 6-10 8.(a) 120 min
8.(b) 130 min
2003, 2004  
  p. 95 US Exercise 11 4.(f) 0 ft 10 in. 2003  
  p. 98 Review 1 US 4.(f) Answer should be 1 2003  
  p. 101 Review 3 1. missing 38 to 62 2003  
      2. $4.95 to $5.05 2003  
  p. 129 Mental Math 9 answers 13. answer is 6 2003  
  p. a9 Mental Math 9 13. 54 ÷ 9 2003