Cambridge wb grade 3 maths: Sách Hướng Dẫn Toán Lớp 3

Tài liệu nghiên cứu Cambridge wb grade 3 maths, tổng hợp lý thuyết và thực hành, cung cấp kiến thức chuyên sâu về ., phục vụ nghiên cứu và ứng dụng thực tiễn

Trường đại học

Cambridge University Press

Chuyên ngành

Mathematics

Người đăng

Ẩn danh

Thể loại

Workbook

2021

223
3
0

Phí lưu trữ

55 Point

Mục lục chi tiết

1. Numbers to 1000

1.1. Hundreds, tens and ones

1.2. Comparing and ordering

1.3. Estimating and rounding

2. Addition, subtraction and money

2.3. Money

3. Multiplication and division

3.1. Exploring multiplication and division

3.3. Connecting 3×, 6× and 9×

4. 3D shapes

4.1. 3D shapes

5. Measurement, area and perimeter

5.2. 2D shapes and perimeter

5.3. Area

6. Fractions of shapes

6.1. Fractions and equivalence of shapes

7. Statistics: tally charts and frequency tables

7.1. Time

9. More addition and subtraction

9.1. Addition: regrouping tens and reordering

9.2. Subtraction: regrouping tens

9.3. Complements

10. More multiplication and division

10.1. Revisiting multiplication and division

10.2. Playing with multiplication and division

10.3. Extending multiplication and division

11. More fractions

11.1. Fractions of numbers

11.2. Ordering and comparing fractions

11.3. Calculating with fractions

12. Measures

12.2. Timetables

14. Angles and movement

14.1. Angles, direction, position and movement

15. Graphs

15.1. Pictograms and bar charts

15.2. Venn and Carroll diagrams

16. Chance

16.1. Chance

17. Pattern and symmetry

17.1. Shape and symmetry

17.2. Pattern and symmetry

Acknowledgements

Trích đoạn nội dung tài liệu

are working with Cambridge Assessment International Education towards endorsement of this title. Cambridge Primary Cambridge Primary Mathematics Packed with activities, including identifying lines of symmetry in patterns and completing frequency tables, these workbooks help your students practise what they have learnt. Specific exercises develop thinking and working mathematically skills. Focus, Practice and Challenge exercises provide clear progression through each topic, helping learners see what they’ve achieved. Ideal for use in the classroom or for homework. CAMBRIDGE 9781108746496 Moseley and Rees Primary Mathematics Workbook 3 CVR C M Y K Primary Mathematics • Activities take an active learning approach to help learners apply their knowledge to new contexts • Three-tiered exercises in every unit get progressively more challenging to help Mathematics Primary students see and track their own learning • Varied question types keep learners interested • Write-in for ease of use Mathematics • Answers for all questions can be found in the accompanying teacher’s resource For more information on how to access and use your digital resource, Workbook 3 Workbook please see inside front cover. Cherri Moseley & Janet Rees Workbook 3 This resource is endorsed by Cambridge Assessment International Education Completely Cambridge 3 ✓ Provides learner support as part of a set of Cambridge University Press works with Cambridge resources for the Cambridge Primary Mathematics Assessment International Education and experienced curriculum framework (0096) from 2020 authors to produce high-quality endorsed textbooks and digital resources that support Cambridge teachers ✓ Has passed Cambridge International’s and encourage Cambridge learners worldwide. rigorous quality-assurance process To find out more visit cambridge.org/ ✓ Developed by subject experts cambridge-international ✓ For Cambridge schools worldwide Registered Cambridge International Schools benefit from high-quality programmes, assessments and a wide range of support so that teachers can effectively deliver Cambridge Primary.org/primary to find out more. Second edition Digital access Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title. CAMBRIDGE Primary Mathematics Workbook 3 Cherri Moseley & Janet Rees Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title. University Printing House, Cambridge CB2 8BS, United Kingdom One Liberty Plaza, 20th Floor, New York, NY 10006, USA 477 Williamstown Road, Port Melbourne, VIC 3207, Australia 314–321, 3rd Floor, Plot 3, Splendor Forum, Jasola District Centre, New Delhi – 110025, India 79 Anson Road, #06–04/06, Singapore 079906 Cambridge University Press is part of the University of Cambridge. It furthers the University’s mission by disseminating knowledge in the pursuit of education, learning and research at the highest international levels of excellence.org Information on this title: www.org/9781108746496 © Cambridge University Press 2021 This publication is in copyright. Subject to statutory exception and to the provisions of relevant collective licensing agreements, no reproduction of any part may take place without the written permission of Cambridge University Press. First published 2014 Second edition 2021 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Printed in ‘country’ by ‘printer’ A catalogue record for this publication is available from the British Library ISBN 978-1-108-74649-6 Paperback with Digital Access (1 Year) Additional resources for this publication at www.org/9781108746496 Cambridge University Press has no responsibility for the persistence or accuracy of URLs for external or third-party internet websites referred to in this publication, and does not guarantee that any content on such websites is, or will remain, accurate or appropriate. Information regarding prices, travel timetables, and other factual information given in this work is correct at the time of first printing but Cambridge University Press does not guarantee the accuracy of such information thereafter. NOTICE TO TEACHERS It is illegal to reproduce any part of this work in material form (including photocopying and electronic storage) except under the following circumstances: (i) where you are abiding by a licence granted to your school or institution by the Copyright Licensing Agency; (ii) where no such licence exists, or where you wish to exceed the terms of a licence, and you have gained the written permission of Cambridge University Press; (iii) where you are allowed to reproduce without permission under the provisions of Chapter 3 of the Copyright, Designs and Patents Act 1988, which covers, for example, the reproduction of short passages within certain types of educational anthology and reproduction for the purposes of setting examination questions. Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title. Contents Contents How to use this book 5 Thinking and working mathematically 6 1 Numbers to 1000 8 1.1 Hundreds, tens and ones 8 1.2 Comparing and ordering 13 1.3 Estimating and rounding 17 2 Addition, subtraction and money 22 2.3 Money 31 3 Multiplication and division 36 3.1 Exploring multiplication and division 36 3.3 Connecting 3×, 6× and 9× 45 4 3D shapes 49 4.1 3D shapes 49 5 Measurement, area and perimeter 55 5.2 2D shapes and perimeter 61 5.3 Area 67 6 Fractions of shapes 74 6.1 Fractions and equivalence of shapes 74 7 Statistics: tally charts and frequency tables 81 7.1 Time 87 3 Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title. Contents 9 More addition and subtraction 92 9.1 Addition: regrouping tens and reordering 92 9.2 Subtraction: regrouping tens 98 9.3 Complements 103 10 More multiplication and division 108 10.1 Revisiting multiplication and division 108 10.2 Playing with multiplication and division 111 10.3 Extending multiplication and division 115 11 More fractions 120 11.1 Fractions of numbers 120 11.2 Ordering and comparing fractions 125 11.3 Calculating with fractions 130 12 Measures 134 12.2 Timetables 164 14 Angles and movement 173 14.1 Angles, direction, position and movement 173 15 Graphs 184 15.1 Pictograms and bar charts 184 15.2 Venn and Carroll diagrams 195 16 Chance 203 16.1 Chance 203 17 Pattern and symmetry 210 17.1 Shape and symmetry 210 17.2 Pattern and symmetry 217 Acknowledgements 222 4 Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title. How to use this book How to use this book This workbook provides questions for you to practise what you have learned in class. There is a unit to match each unit in your Learner’s Book. Each exercise is divided into three parts: • Focus: these questions help you to master the basics 2 Addition, • Practice: these questions help you to become more confident in using what you have learned subtraction and money • Challenge: these questions will make you think more deeply. You might not need to work on all three parts of each exercise.1 Addition You will also find these features: compose decompose Exercise 2.1 exchange regroup Important words that single Focus 1 Numbers to 1000 you will use. 1 Complete each addition. Show how you found Workedeach total. example 1 Draw beads on the abacus to show this 3-digit number. 24 + 5 = 42 + 5 = Step-by-step examples showing a 2 0 3 way to solve a problem. 6 0 0 100s 10s 1s Draw six beads on the 100s tower to stand for 600.1 Hundreds, tens and ones 100s 10s 1s There are often 4 What 3-digit numbers are represented below? Draw two beads on the 10s tower to stand for 20. many different a 2 Complete each addition. Show how you found each total. ways to solve a 123 + 6 = 153 + 5 = 100s 10s 1s problem. Draw three beads on the 1s tower for 3. Together, the beads represent the 3-digit b 100s 623 10s 623. 1s number 100s 10s 1s These questions will help you develop your254 skills + 7 =of thinking 235 + 8 = 5 What is the value of the ringed digit in each 3-digit number? and working mathematically. 1 64 23 7 31 5 128 22 4 52 381 10 Practice 6 Write the numbers in the next row of the 1 to 1000 strip. 351 352 353 354 355 356 357 358 359 5360 Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title. Thinking and Working Mathematically Thinking and Working Mathematically There are some important skills that you will develop as you learn mathematics. Specialising is when I give an example of something that fits a rule or pattern. Characterising is when I explain how a group of things are the same. Generalising is when I explain a rule or pattern. Classifying is when I put things into groups. 6 Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title. Thinking and Working Mathematically Critiquing is when I think about what is good and what could be better in my work or someone else’s work. Improving is when I try to make my work better. Conjecturing is when I think of an idea or question to develop my understanding. Convincing is when I explain my thinking to someone else, to help them understand. 7 Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title.1 Hundreds, tens and ones Exercise 1.1 thousand Focus 1 Here is the last row of a 100 square. Write the numbers in the next row, which is the first row of the 101 to 200 square. 91 92 93 94 95 96 97 98 99 100 101 2 Complete these pieces from a 1 to 1000 number strip. a b c 201 112 132 3 Draw a representation of 316. How will you show the value of each digit? 8 Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title.1 Hundreds, tens and ones 4 What 3-digit numbers are represented below? a b 100s 10s 1s 5 What is the value of the ringed digit in each 3-digit number? 1 64 23 7 31 5 1 2 8 4 52 3 8 1 Practice 6 Write the numbers in the next row of the 1 to 1000 strip. 351 352 353 354 355 356 357 358 359 360 9 Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title. 1 Numbers to 1000 Worked example 1 Draw beads on the abacus to show this 3-digit number. 2 0 3 6 0 0 100s 10s 1s Draw six beads on the 100s tower to stand for 600. 100s 10s 1s Draw two beads on the 10s tower to stand for 20. 100s 10s 1s Draw three beads on the 1s tower for 3. Together, the beads represent the 3-digit 623 number 623. 100s 10s 1s 10 Original material © Cambridge University Press 2021. This material is not final and is subject to further changes prior to publication. are working with Cambridge Assessment International Education towards endorsement of this title.1 Hundreds, tens and ones 7 Draw beads on each abacus to show each 3-digit number.

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