Primary Mathematics Textbook 2B

144 Pages·2019·16.453 MB·English

28
TEXTBOOK
~ Marshall Cavendish
UA:1
Education
Original edition published under the title Primary Mathematics Textbook 2B
© 1982 Curriculum Planning & Development Division, Ministry of Education, Singapore
Published by Times Media Private Limited
This edition © 2008 Marshall Cavendish International (Singapore) Private Limited
© 2014 Marshall Cavendish Education Pte Ltd
Published by Marshall Cavendish Education
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First published 2008
Reprinted 2009 (twice), 2010, 2011 (twice), 2012, 2015, 2018 (twice), 2019 (twice)
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Singapore Math"' is a trademark of Singapore Math Inc."' and
Marshall Cavendish Education Pte Ltd.
Primary Mathematics (Standards Edition) Textbook 2B
ISBN 978-0-7614-6979-7
Printed in Singapore
Primary Mathematics (Standards Edition) is adapted from Primary Mathematics Textbook 2A (3rd Edition), originally
developed by the Ministry of Education, Singapore. This edition contains new content developed by Marshall Cavendish
International (Singapore) Private Limited, which is not attributable to the Ministry of Education, Singapore.
We would like to acknowledge the Project Team from the Ministry of Education, Singapore, that developed the original
Singapore Edition:
Project Director: Dr Kho Tek Hong
Team Members: Hector Chee Kum Hoong, Liang Hin Hoon, Lim Eng Tann,
Ng Siew Lee, Rosalind Lim Hui Cheng, Ng Hwee Wan, Thong Chee Hing
Our thanks to Richard Askey, Emeritus Professor of Mathematics (University of Wisconsin, Madison) and Madge Goldman,
President (Gabriella and Paul Rosenbaum Foundation), for their help and advice in the production of Primary Mathematics
(Standards Edition).
We would also like to recognize the contribution of Jennifer Kempe (Curriculum Advisor, Singapore Math Inc."') to
Primary Mathematics (Standards Edition).
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STATE Book No.
PROVINCE Enter information
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PARISH instructed.
SCHOOL DISTRICT
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CONDITION
ISSUED TO Year
Used ISSUED RETURNED
Students to whom this textbook is issued must not write on any page
or mark any part of it in any way, consumable textbooks excepted.
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every book issued.
2. The following terms should be used in recording the condition of the book: New; Good; Fair;
Poor; Bad.
'----~
.lr'CIJ
~~
(Standards Edition)
is a complete program from the publishers of
Singapore's successful Primary Mathematics
series. Newly adapted to align with the
Mathematics Framework for California Public
Schools, the program aims to equip students
with sound concept development, critical
thinking and efficient problem-solving skills.
Mathematical concepts are introduced in the
opening pages and taught to mastery through
specific learning tasks that allow for immediate
assessment and consolidation.
II
The color patch is (b) "10() 2=-0--()e + so +, .8 "' •
used to invite active student ..j. 10
participation and to facilitate The Concrete __.. Pictorial __..Abstract
lively discussion about the approach enables students to encounter math
mathematical concepts taught. in a meaningful way and translate mathematical
skills from the concrete to the abstract.
New mathematical
concepts are
introduced
through a spiral
progression that
builds on concepts
already taught and
mastered.
Metacognition is employed as a strategy for
learners to monitor their thinking processes
in problem solving. Speech and thought
bubbles provide guidance through the thought
processes, making even the most challenging
problems accessible to students.
The pencil icon ·(If Exercise a. page as I provides quick and easy
reference from the Textbook to the relevant Workbook pages.
The direct correlation of the Workbook to the Textbook
facilitates focused review and evaluation.
Cf!ntitn@te,. The Cf!nt/ Meaning
W~ Write :~;::: ll~it of length
~00 crn = 1 rn ntt .r.n..e.t.e. r,. ,.,,, .· ....
f:!'l
:~
division ~
To put into
- equal groups.
We diVir.Je to fin ~
each group. d the number In
°"'"'"""""
Th1er2. .° "2' 6 =~ 6~ : ~~ 9-"oups,
We also divide
number of to find the
equo/groupt.
Regular reviews in ~12c:hwrJ.,,,.,!O
12 Clt"92eqt.lal9">u~PSOf6.
the Textbook provide .. + 6 = 2
We Write '+ • r ,.,..
consolidation of
The glossary effectively
concepts learnt.
combines pictorial
representation with simple
mathematical definitions to
provide a comprehensive
reference guide for students.
CO~TE~TS
7 Addition and Subtraction
1 Finding the Missing Number 8
Practice A 13
2 Methods for Mental Addition 14
3 Methods for Mental Subtraction 17
Practice B 20
REVIEW7 21
8 Multiplication and Division
1 Multiplying and Dividing by 4 24
Practice A 29
2 Multiplying and Dividing by 5 30
Practice B 33
3 Multiplying and Dividing by 10 34
Practice C 36
Practice D 37
4 Division with Remainder 38
Practice E 41
REVIEWS 42
9 Money
1 Dollars and Cents 44
Practice A 49
2 Adding Money 50
3 Subtracting Money 54
Practice B 58
Practice C 59
REVIEW9 60
10 Fractions
1 Halves and Quarters
~~
2 Writing Fractions
3 Fraction of a Set
REVIEW 10
, Time
1 Telling Time After the Hour
8 76
7
2 Telling Time Before the Hour ..........._. .. __.. 78
3 Time Intervals
80
4 Other Units of Time
84
REVIEW 11 86
12 Capacity
~· 1 Comparing Capacity
2 Liters
3 Gallons, Quarts, Pints and Cups
REVIEW 12
Tables and Graphs
~•· 1 Picture Graphs
2 Bar Graphs
REVIEW 13
Geometry
1 Flat and Curved Faces
~~
2 Making Shapes
REVIEW 14
REVIEW 15
Glossary
0
Finding the Missing Number
part part
whole
7 and make 12 .
.•-
7 + - 12
8
To find one part, we subtract.
12 - 7 - 5
1.
How many flowers
do I take away?
20 - - 12
9
2. Complete the number sentences.
..
(a) 0 00 ()0
00 00 00
00 00 00
() 0 00 0
Q) 00 00
part part whole
To find one part,
we subtract.
14 + - 30
(b)
whole part part
To find one part,
we subtract.
21 - - 5
10