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1 For the grown-ups This book is full of hands-on activities that will tap straight into your child’s natural mathematical curiosity. Each activity is designed to let your child play and learn with all their senses. Together, you can grow their love of maths, their creative problem-solving, and their understanding of the world. Here are a few tips to help you along the way: The lightbulb speech bubbles at the start of the activities suggest a learning objective for each game, but these should not limit your child’s play. Involve your child in the preparation of each activity, let them follow the instructions, but also let them try out their own ideas and explore in ways that they find interesting. You never know what they might discover! • Your child should be supervised when experimenting with these activities, but try to give them time and space to lead the direction of play. The questions in this book are suggestions. Let your child ask, and answer, their own questions. • Adult Alert stars show where your child will need extra grown-up help. • Protect the area where your child will be playing and encourage them to wear old clothes. Be especially careful when using food colouring, which can mark fabrics and temporarily stain skin. Being prepared lets your child enjoy themselves to their fullest. Making a mess is part of the fun and learning! Editor Hélène Hilton Designer and Illustrator Charlotte Milner Series Designer Rachael Parfitt-Hunt Editorial Assistance Sally Beets, Clare Lloyd Additional Design and Illustration Kitty Glavin, Rachael Hare, Victoria Palastanga DTP Designer Mohammad Rizwan Educational Consultant Penny Coltman Photographer Lol Johnson Jacket Designer Charlotte Milner Jacket Coordinator Issy Walsh Producer, Pre-Production Sophie Chatellier Senior Producer Amy Knight Managing Editor Penny Smith Managing Art Editor Mabel Chan Creative Director Helen Senior Publishing Director Sarah Larter First published in Great Britain in 2019 by Dorling Kindersley Limited 80 Strand, London WC2R 0RL Copyright © 2019 Dorling Kindersley Limited A Penguin Random House Company 10 9 8 7 6 5 4 3 2 1 001–307831–Sept/2019 All rights reserved. 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: 978-0-2413-1587-3 Printed in China The publisher would like to thank the following for their kind permission to reproduce their photographs: (Key: a-above; b-below/bottom; c-centre; f-far; l-left; r-right; t-top) 27 Dreamstime.com: Xjjx (crb) All other images © Dorling Kindersley For further information see: www.dkimages.com And a big thank you to Thomas Hellyar who acted as model and maths wizard. A WORLD OF IDEAS: SEE ALL THERE IS TO KNOW www.dk.com 2 3 Adul t E RT ! AL Contents 4 5 6 8 10 12 14 18 22 24 28 30 32 36 38 42 46 48 Little minds have big ideas! Your maths senses Maths treasure hunt Sorting sizes Clever counting Number bugs Hungry adding robot Carnival cans Magic pattern wands Shapes Make shape aliens Measure me Rainbow bottles Gravity scales Wacky watches Pizza party Look, you’re a maths wizard! Index L i t t l e m i n d s h a ve big ideas! You don’t need a fancy calculator, or a whiteboard full of big numbers to be a maths wizard. You already have everything you need: your brain and your amazing senses! Curious questions Maths is full of puzzles to solve, things to work out, and brain teasers. Here are some questions to ask yourself as you play. • How can maths ideas be useful in the real world? • Where can I spot maths being used around me? • How can I learn even