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KS1 5–7 Years Master Maths at Home Addition and Subtraction Scan the QR code to help your child’s learning at home. mastermathsathome.com 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 11 1111//0099//22002211 1122::0033 How to use this book Maths — No Problem! created Master Maths at Home to help children develop fluency in the subject and a rich understanding of core concepts. Key features of the Master Maths at Home books include: • Carefully designed lessons that provide • Exercises that allow a flexible approach and structure but also allow flexibility in how can be adapted to suit any child’s cognitive they’re used. For example, some children or functional ability. may want to write numbers, while others • Clearly laid out pages that encourage children might want to trace. to practise a range of higher-order skills. • Speech bubbles containing content designed • A community of friendly and relatable to spark diverse conversations, with many characters who introduce each lesson and discussion points that don’t have obvious come along as your child progresses through ‘right’ or ‘wrong’ answers. the series. • Rich illustrations that will guide children to a discussion of shapes and units of measurement, allowing them to make connections to the wider world around them. You can see more guidance on how to use these books at mastermathsathome.com. We’re excited to share all the ways you can learn maths! Copyright © 2022 Maths — No Problem! Maths — No Problem! mastermathsathome.com www.mathsnoproblem.com This book was made with [email protected] Forest Stewardship Council™ First published in Great Britain in 2022 by certified paper – one small Dorling Kindersley Limited step in DK's commitment to a sustainable future. For One Embassy Gardens, 8 Viaduct Gardens, London SW11 7BW more information go to www. A Penguin Random House Company dk.com/our-green-pledge The authorised representative in the EEA is Dorling Kindersley Verlag GmbH. Amulfstr. 124, 80636 Munich, Germany 10 9 8 7 6 5 4 3 2 1 001–327069–Jan/22 All rights reserved. Without limiting the rights under the copyright reserved above, no part of this publication may be reproduced, stored in, or introduced into a retrieval system, or transmitted, in any form, or by any means (electronic, mechanical, photocopying, recording, or otherwise), without the prior written permission of the copyright owner. A CIP catalogue record for this book is available from the British Library. ISBN: 978-0-24153-911-8 Printed and bound in China For the curious www.dk.com Acknowledgements The publisher would like to thank the authors and consultants Andy Psarianos, Judy Hornigold, Adam Gifford and Dr Anne Hermanson. The Castledown typeface has been used with permission from the Colophon Foundry. 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 22 1133//0099//22002211 1144::1199 How to use this book Contents Maths — No Problem! created Master Maths at Home to help children develop fluency in the subject and a rich understanding of core concepts. Key features of the Master Maths at Home books include: Page • Carefully designed lessons that provide • Exercises that allow a flexible approach and Reading and writing to 100 4 structure but also allow flexibility in how can be adapted to suit any child’s cognitive they’re used. For example, some children or functional ability. Place value 6 may want to write numbers, while others • Clearly laid out pages that encourage children might want to trace. Comparing numbers 8 to practise a range of higher-order skills. • Speech bubbles containing content designed Patterns 12 • A community of friendly and relatable to spark diverse conversations, with many characters who introduce each lesson and Adding ones 14 discussion points that don’t have obvious come along as your child progresses through ‘right’ or ‘wrong’ answers. Adding tens 16 the series. • Rich illustrations that will guide children Adding in columns 18 to a discussion of shapes and units of measurement, allowing them to make Adding in columns without renaming 20 connections to the wider world around them. Adding in columns with renaming (part 1) 22 You can see more guidance on how to use these books at mastermathsathome.com. Adding in columns with renaming (part 2) 24 We’re excited to share all the ways you can learn maths! Adding three numbers 26 Subtracting ones 28 Copyright © 2022 Maths — No Problem! Maths — No Problem! Subtracting tens 30 mastermathsathome.com www.mathsnoproblem.com Subtracting in columns 32 This book was made with [email protected] Forest Stewardship Council™ First published in Great Britain in 2022 by certified paper – one small Subtracting in columns without renaming 34 Dorling Kindersley Limited step in DK's commitment to a sustainable future. For One Embassy Gardens, 8 Viaduct Gardens, London SW11 7BW Subtracting in columns with renaming (part 1) 36 more information go to www. A Penguin Random House Company dk.com/our-green-pledge The authorised representative in the EEA is Dorling Kindersley Subtracting in columns with renaming (part 2) 38 Verlag GmbH. Amulfstr. 124, 80636 Munich, Germany Review and challenge 40 10 9 8 7 6 5 4 3 2 1 001–327069–Jan/22 Answers 46 All rights reserved. Without limiting the rights under the copyright reserved above, no part of this publication may be reproduced, stored in, or introduced into a retrieval system, or transmitted, in any form, or by any means (electronic, mechanical, photocopying, recording, or otherwise), without the prior written permission of the copyright owner. A CIP catalogue record for this book is available from the British Library. ISBN: 978-0-24153-911-8 Printed and bound in China For the curious www.dk.com Acknowledgements The publisher would like to thank the authors and consultants Andy Psarianos, Judy Hornigold, Adam Gifford and Dr Anne Hermanson. The Castledown typeface has been used with permission from the Colophon Foundry. Ruby Elliott Amira Charles Lulu Sam Oak Holly Ravi Emma Jacob Hannah 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 22 1133//0099//22002211 1144::1199 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 33 1111//0099//22002211 1122::0033 Reading and writing to 100 Lesson 1 Starter How many chocolates are there in total? Example There are 10 boxes of chocolates. Each box has 10 chocolates in it. We can count in tens to find how many chocolates there are. Ten, twenty, thirty, forty… fifty, sixty seventy… eighty, ninety, one hundred. There are 100 chocolates in total. 4 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 44 1111//0099//22002211 1122::0044 Reading and writing to 100 Lesson Practice 1 Count and trace the numbers in words and in numerals. (a) Starter ten 10 (b) twenty 20 (c) thirty 30 (d) forty 40 How many chocolates are there in total? (e) fifty 50 Example (f ) sixty 60 There are 10 boxes (g) of chocolates. Each box has 10 chocolates seventy 70 in it. We can count in tens to find how many chocolates there are. (h) Ten, twenty, eighty 80 thirty, forty… (i) ninety 90 fifty, sixty seventy… eighty, ninety, one hundred. (j) There are 100 chocolates in total. one hundred 100 4 5 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 44 1111//0099//22002211 1122::0044 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 55 1111//0099//22002211 1122::0044 Place value Lesson 2 Starter How many are there? Example Each one of these There are is 10 of . 5 . There are 3 tens. 31, 32, 33, 10, 20, 30 34, 35 3 0 5 We can also show 35 in a number bond this way. There are 35 . 35 tens ones 35 = 3 tens and 5 ones 3 5 The digit 3 stands for 30. 30 5 The digit 5 stands for 5. 6 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 66 1111//0099//22002211 1122::0044 Place value Lesson Practice 2 The children are counting in tens and ones. Can you help them by fi lling in the missing numbers? Starter 1 tens ones Sam 32 How many are there? 32 = tens and ones Example Each one of these There are 2 tens ones is 10 of . 5 . Lulu There are 3 tens. 31, 32, 33, 10, 20, 30 34, 35 = tens and ones 3 0 5 3 tens ones We can also show 35 in a number bond this way. Holly There are 35 . 35 tens ones 35 = 3 tens and 5 ones 3 5 The digit 3 stands for 30. 30 5 = tens and ones The digit 5 stands for 5. 6 7 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 66 1111//0099//22002211 1122::0044 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 77 1111//0099//22002211 1122::0044 Comparing numbers Lesson 3 Starter Which number is the greatest? Which number is the smallest? Example tens ones 6 5 65 6 0 5 tens ones 7 1 71 7 0 1 8 332277006699__MMNNPP__AAddddiittiioonn__aanndd__SSuubbttrraaccttiioonn__AAggeess__55--77__KKSS11..iinndddd 88 1111//0099//22002211 1122::0044