Tài liệu Ebook doubles fun on the farm

DIGITAL FINAL PROOF Math Concept Reader Doubles Fun on the Farm ca21os_lay_070107ac_cr.indd 1 1/8/07 6:03:52 PM DIGITAL FINAL PROOF ca21os_lay_070107ac_cr.indd 2 1/8/07 6:03:52 PM Math Concept Reader Doubles Fun on the Farm DIGITAL FINAL PROOF Copyright © Gareth Stevens, Inc. All rights reserved. Developed for Harcourt, Inc., by Gareth Stevens, Inc. This edition published by Harcourt, Inc., by agreement with Gareth Stevens, Inc. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the copyright holder. Requests for permission to make copies of any part of the work should be addressed to Permissions Department, Gareth Stevens, Inc., 330 West Olive Street, Suite 100, Milwaukee, Wisconsin 53212. Fax: 414-332-3567. HARCOURT and the Harcourt Logo are trademarks of Harcourt, Inc., registered in the United States of America and/or other jurisdictions. Printed in the United States of America ISBN 13: 978-0-15-360172-9 ISBN 10: 0-15-360172-8 1 2 3 4 5 6 7 8 9 10 039 16 15 14 13 12 11 10 09 08 07 ca21os_lay_070107ac_cr.indd 2 1/8/07 6:03:53 PM Math Concept Reader Doubles Fun on the Farm by Joan Freese Photographs by Russell Pickering DIGITAL FINAL PROOF Chapter 1: To the Farm Max lives in the city with his family. He plans to visit his cousin, Sara. Sara lives on a farm in the country. 2 ca21os_lay_070107ac_cr.indd 4 1/8/07 6:03:54 PM DIGITAL FINAL PROOF Max loves to go to Sara’s farm. He visits as often as he can. He likes to play with Sara. He has so much fun. 3 ca21os_lay_070107ac_cr.indd 5 1/8/07 6:03:58 PM DIGITAL FINAL PROOF Chapter 2: Finding Doubles at the Farm Today Max’s dad will take him to visit Sara and her family. Max is excited when he gets to the farm. “Hello, Sara!” he shouts. “Hi, Max!” Sara says. Just then Max sees a bird sitting on a branch. 4 ca21os_lay_070107ac_cr.indd 6 1/8/07 6:03:58 PM DIGITAL FINAL PROOF 1+1=2 Sara spies another bird on the branch. “1 plus 1 is 2. A double! A double is adding two numbers that are the same.” 5 ca21os_lay_070107ac_cr.indd 7 1/8/07 6:04:01 PM DIGITAL FINAL PROOF Sara has two dogs that like to run and play with each other. Sara and Max play fetch with the dogs. Max thinks about doubles. 6 ca21os_lay_070107ac_cr.indd 8 1/8/07 6:04:04 PM DIGITAL FINAL PROOF 2+2=4 “I get it now,” he says. “Each dog has 2 ears. 2 plus 2 is 4. That is a double, too.” 7 ca21os_lay_070107ac_cr.indd 9 1/8/07 6:04:24 PM DIGITAL FINAL PROOF Sara and Max enjoy the fresh air. Being outside makes them hungry. It is a good thing it is snack time soon. Sara’s mom brings them something to eat. 8 ca21os_lay_070107ac_cr.indd 10 1/8/07 6:04:28 PM DIGITAL FINAL PROOF 3+3=6 The cousins have crackers with peanut butter for their snack. Sara takes 3 crackers and Max chooses 3 crackers. They have 6 crackers in all. Another double! 9 ca21os_lay_070107ac_cr.indd 11 1/8/07 6:04:28 PM DIGITAL FINAL PROOF Now the cousins go for a walk, and Sara’s mom comes, too. They hunt for four-leaf clovers. The clover plants grow in the grassy meadow. 10 ca21os_lay_070107ac_cr.indd 12 1/8/07 6:04:31 PM DIGITAL FINAL PROOF 4+4=8 Sara sits in the meadow and looks closely for the special clover plants. She discovers two plants. Each has 4 leaves! 4 plus 4 is 8. Another double! 11 ca21os_lay_070107ac_cr.indd 13 1/8/07 6:04:49 PM DIGITAL FINAL PROOF Max and Sara head to the small stream on Sara’s farm. They take off their shoes. They wade in the cool, bubbling water. 12 ca21os_lay_070107ac_cr.indd 14 1/8/07 6:04:53 PM DIGITAL FINAL PROOF 5 + 5 = 10 “Look, my toes are a double!” Max says. “I have 5 toes on each foot.” Sara looks at her toes. “Mine, too,” she says. Sara and Max wiggle their toes in the water. 13 ca21os_lay_070107ac_cr.indd 15 1/8/07 6:04:56 PM DIGITAL FINAL PROOF Chapter 3: More Doubles Fun Later, Sara shows Max the vegetable garden. Beans, corn, and other vegetable plants grow there. Max likes to eat corn, but Sara likes carrots best. 14 ca21os_lay_070107ac_cr.indd 16 1/8/07 6:04:56 PM DIGITAL FINAL PROOF 6 + 6 = 12 She pulls 6 long carrots from the ground. Max pulls out 6 carrots, too. They take 12 carrots to Sara’s mom. She will clean the carrots and save them for supper. 15 ca21os_lay_070107ac_cr.indd 17 1/8/07 6:05:00 PM DIGITAL FINAL PROOF Next, the cousins visit the chickens in the chicken coop. Some of the chickens sit on nests. Sara shows Max how to find eggs in the nests. They each get a large basket. Sara and Max fill their baskets with eggs. 16 ca21os_lay_070107ac_cr.indd 18 1/8/07 6:05:03 PM