Singapore Math Inc. Primary Mathematics Standards Edition 6A Errata

Page Question or Section Error Printing 38 4 Bottom fraction on the left should be -1/4, not -1/2 200940 3 Entry in the 6th row and 2nd column of the table (bottom right) should be -1, not 1. 2009

43 2 The second number, –0.6, should be positive, 0.6 20093 The first number, –1 1/5, should be positive, 1 1/5 2009

46 5 5/6 of the clothes a store sells are blouses. 1/12 of the clothes are skirts. (Change ½ to 1/12.)

2009

62 6 The problem is not appropriate and should be changed or omitted since it isnot really appropriate until after the last chapter in 6B. Can change to:

2009

73 1 For problem to be consistent with the rest of the ones in this exercise, change second sentence to: He earned 10% of the initial investment as interest.

2009

89 3 $46 of what Barry paid for a meal at the restaurant was for the food. The ratio for the cost of the food to the amount of tip given ins 20 : 3. Find the amount of the tip he gives.

2015

Page Question or Section Error Printing Contents Delete “Simple” from the title for unit 4, chapters 1 and 3. 200961-62 There are two task 6’s. 200966 Bottom of page needs pencil icon saying Exercise 5, pages 54-56. 200983 Delete “Simple” from the title of the chapter. 200986 Delete “Simple” from the title of the chapter. 2009118 5 For which sheets of stickers are the sizes of the sheets in proportion to each other? 2009136 5(d) What is a possible distance a passenger traveled for the fare to be $20.50?

Change $20 in number bond to $20.50.2009

137 7 A car rental company charges $27 per day for the use of a car. The answer will be 621 miles. If the problem is kept as it is in the 2009 printing, and one assume the charges are indeed $97 a day, then the answer will be 271 miles.

2009

149 Green speech bubble at the bottom of the page: Paul took ____ min less than Ben.

2009

Page Question or Section Error Dated Added12 Answers to Textbook

pp. 17-18, 5462.24 2009

38 Answers to Textbook page. 38, 3(d)

1.4 2016

38 Answers to Textbook page. 38, 4(f)

1 2016

49 Answers to Textbook page. 46, 5

The answers are given in ascending order and should have been in descending order. 2016

Primary Mathematics Standards Edition Workbook 6A

Primary Mathematics Standards Edition Textbook 6A

Primary Mathematics Standards Edition Teacher's Guide 6A

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Singapore Math Inc. Primary Mathematics Standards Edition 6A Errata

58 Answer to Textbook page. 54, 8

2012

70 Answers to textbook page. 63, 8

There is something wrong with the problem. The syrup must be pretty weak, or the problem meant to say that 1/3 of the lemonade consists of syrup. If so, the answer is correct. However, if 1/3 of it is water, then the syrup is a/4 x 2/3 = a/6. Or, subtract from the fraction that is water, a/4 – a/12 = a/6.

78 Answers to textbook page. 70 6 11

131 Answers to Task 2-5, Textbook pp 107-109, 2

50 kg, 50/7 kg or 7 1/7 kg, 150/7 kg, 21 3/7 kg 2009

131 Answers to Task 2-5, Textbook pp 107-109 3

51 m, 17 m, 34 m, 34 m 2009

131 Answers to Task 2-5, Textbook pp 107-109, 4

84 (a) 7, 84, 12, 36, 36 (b) 48, 36, $3.60, 48, $12, $12 + $3.60 = $15.60

2009

131 Answers to Task 2-5, Textbook pp 107-109, 5

450 total for students in left drawing, 15 units is 450, 1 unit is 30, 480 for total in left drawing, 30 for total in right drawing, 5 units is 30, 1 unit is 6, 4 units is 24, The number of female teachers is 24.

2009

141 Answers to textbook page. 121-122, 10

$0.27

157 Answer to textbook page. 131, 2(c)

Parking fees = 4 x $1.50 = $6 Answer for (b) is $4.50 and for (d) is $7.50.

2009

160 Answer to textbook page. 135-137, 5(d)

Distance traveled = 7 miles if amount changed to $20.50. It can’t be $20 unless driver charges for part of a mile, but if so, distance traveled is between 6 and 7 miles.

12/10/2015

161 Answers to textbook page. 136-137, 7

If problem is kept as in 2009 printing of textbook, and the charge is assumed to be $97 per day, then the answer should be changed to 271 miles.

2009

166 Answers to Task 2, textbook page. 141, 2(b)

100, 600, 36,000, 36 2009

174 Answers to Practice D, tb page. 150, 1(b) 666

2009

174 Answers to Practice D, tb page. 150, 5

500 m/min

175 Answers to Review 4, tb page. 152, 7(b)

6 mph 2009

Answers to Review 4, tb page. 152, 7(c)

15 mph 2009

178 Review 1, p. 29-32, 1 Add another acceptable answer: 743 2009

179 Exercise 1, (page. 45-46), 1(a)

14/15 2009

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Singapore Math Inc. Primary Mathematics Standards Edition 6A Errata

179 Exercise 1 (page. 45-46), 1(d)

19/24 2009

180 Exercise 2 (page. 47-49), 4

students2009

180 Exercise 6 (page. 57-58), 3 The answer to the division problem is 33 . So she needs 34 cups, but the question in

the textbook is not clear. It should ask how many of the cups are needed.

2009

180 Review 2 (page. 59-62), 6

Problem should be changed or omitted, it is not appropriate here. 2009

181 Exercise 3 (page. 67-68), 5(b)

6072 2009

181 Exercise 5 (page. 71-72), 4(b)

$1.50 2009

181 Exercise 6 (page. 73-74), 1

$7000 (if changing problem, see p. 73 under Workbook above.) 2009

181 Exercise 6 (page. 73-74), 2

$500 2009

181 Exercise 6 (page. 73-74), 3

$3,000 2009

181 Exercise 6 (page. 73-74), 4

$2,000 2009

181 Exercise 6 (page. 73-74), 5

$650,000 2009

181 Exercise 6 (page. 73-74, 6

$20,000 2009

181 Exercise 2 (page. 77-78), 2

40:1 2009

Page Question or Section Error Dated Added40 U2 Chapter 1 B, 40 If more than 10 books were purchased, and additional $15 discount on the final cost

would be given.2015

189 U6 Chapter 4 A, 5 Warn students if needed: The time in average speed includes rest stop. 2010195 U 6 Chapter 6 B, 13 The correct answer is 190 miles, which is not given as a choice.231 Units 1-3 Cum. Test

A, 9(b)2.3 and

2010

213 Units 1-3 Cum. Test B, 11

C2010

216 U 6 Chapter 2 B, 1 C 2019

Primary Mathematics Standards Edition Tests 6A

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