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Math Concept Reader
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 DIGITAL FINAL PROOF Math Concept Reader Doubles Fun on the Farm 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 mechani- cal, 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 Permis- sions 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 DIGITAL FINAL PROOF Math Concept Reader Doubles Fun on the Farm by Joan Freese Photographs by Russell Pickering Max lives in the city with his family. He plans to visit his cousin, Sara. Sara lives on a farm in the country. Chapter 1: To the Farm 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 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. Chapter 2: Finding Doubles at the Farm 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 [...]... PM 1 Max finds another double on the farm The tractor has 2 front wheels and 2 back wheels How many wheels does the tractor have in all 2 + 2 = _ 2 Max and Sara are picking corn Max picks 9 ears Sara picks 9 ears How many ears of corn do Max and Sara have in all 9 + 9 = _ 3 Write a doubles number sentence Circle the addends that show the number sentence is a double 4 Look around the classroom What... 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... 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 DIGITAL FINAL PROOF 7 + 7 = 14 Sara fills her basket with 7 eggs Max finds 7 eggs, too More doubles fun! 17 ca21os_lay_070107ac_cr.indd... 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... to join two groups doubles an addition fact in which both addends are the same 8 + 8 = 16 is a doubles fact equals has the same amount or value farm land used to grow crops or raise animals plus added to stream a small body of flowing water Photo credits: cover, title page, pp 3, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 19, 20, 21 Russell Pickering; p 5 National Biological Information Infrastructure; p... 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... 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... Chapter 4: One Last Double It is almost time for Max to go home The cousins rest under some tall apple trees The branches hold many red apples 20 ca21os_lay_070107ac_cr.indd 22 1/8/07 6:05:17 PM DIGITAL FINAL PROOF 9 + 9 = 18 Max picks 9 apples Sara picks 9 apples, too Max will bring all 18 apples home to his dad They will remind Max of the doubles fun he had today with Sara 21 ca21os_lay_070107ac_cr.indd... spiders up high on the porch The spiders are making webs “Look, a spider city!” says Sara 18 ca21os_lay_070107ac_cr.indd 20 1/8/07 6:05:12 PM DIGITAL FINAL PROOF 8 + 8 = 16 Sara and Max look more closely Each spider has 8 long legs Max says, “8 legs and 8 more legs makes 16 legs in all.” A double again! 19 ca21os_lay_070107ac_cr.indd 21 1/8/07 6:05:17 PM DIGITAL FINAL PROOF Chapter 4: One Last Double... all 9 + 9 = _ 3 Write a doubles number sentence Circle the addends that show the number sentence is a double 4 Look around the classroom What double do you see Use words or a picture to show the double Write the doubles number sentence . PROOF Math Concept Reader Doubles Fun on the Farm by Joan Freese Photographs by Russell Pickering Max lives in the city with his family. He plans to visit his cousin, Sara. Sara lives on a farm in the. 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. 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