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NUMBER SENSE KINDERGARTEN TEACHING CONFER TEACHING NUMBER SENSE CHRIS CONFER The lessons in Chris Confer’s important book Teaching Number Sense, Kindergarten invite young children to investigate everyday numbers in their world, explore number relationships, and practice problem solving using landmark numbers. These investigations, some based on popular children’s books, also explore ways to help students count, compose, and decompose numbers. Each lesson is organized in an accessible, easy-to-read format that includes a lesson overview; a list of needed materials; the time required to teach the lesson; step-by-step teaching directions; and a vignette of how the lesson actually unfolded in a classroom. Each lesson concludes with a list of assessment questions to help guide teachers’ observations as they watch and listen to students at work. Chris Confer has been a teacher for more than twenty-six years and is currently a math resource teacher for the Tucson Unified School District in Tucson, Arizona. She is a Math Solutions Inservice instructor as well as the author of Math By All Means: Geometry, Grades 1–2 (Math Solutions Publications, 1994) and Teaching Number Sense, Grade 1 (Math Solutions Publications, 2005). KK TEACHING NUMBER SENSE The books in this three-part series help students develop good numerical intuition. The goal is for children to see numbers as tools, not barriers; to be able to reason their way to solutions should they forget a procedure; and to be comfortable using numbers to make sense of the world. By encouraging young children to develop strong number sense, teachers help students form a solid foundation upon which all of their later mathematical understanding will be built. KINDERGARTEN The Teaching Number Sense series focuses on the critical role that number sense plays in students’ developing mathematical understanding. Number sense encompasses a wide range of abilities, including being able to make reasonable estimates and to think and reason flexibly. MATH SOLUTIONS PUBLICATIONS CHRIS CONFER tns130005_fm.qxd 07/22/2005 6:12 PM Page i TEACHING NUMBER SENSE GRADE 1 tns130005_fm.qxd 07/22/2005 6:12 PM Page ii tnsk130004_fm.qxd 6/21/05 11:08 PM Page iii TEACHING NUMBER SENSE K KINDERGARTEN CHRIS CONFER Math Solutions Publications Sausalito, CA Math Solutions Publications A division of Marilyn Burns Education Associates 150 Gate 5 Road, Suite 101 Sausalito, CA 94965 www.mathsolutions.com Copyright © 2005 by Math Solutions Publications All rights reserved. Limited reproduction permission: The publisher grants permission to individual teachers who have purchased this book to reproduce the Blackline Masters as needed for use with their own students. Reproduction for an entire school district, or commercial or any other use, in any form or by any means, is prohibited without written permission from the publisher, except for the inclusion of brief quotations in a review. Library of Congress Cataloging-in-Publication Data Confer, Chris. Teaching number sense, kindergarten / Chris Confer. p. cm. Includes index. ISBN 0-941355-58-6 (acid-free paper) 1. Mathematics—Study and teaching (Preschool) 2. Numeration. 3. Counting. 4. Arithmetic. I. Title. QA135.6.C657 2005 372.7—dc22 2005010700 ISBN-13: 978-0-941355-58-2 ISBN-10: 0-941355-58-6 Editor: Toby Gordon Production: Melissa L. Inglis Cover & interior design: Catherine Hawkes/Cat and Mouse Composition: Interactive Composition Corporation Printed in the United States of America on acid-free paper 09 08 07 06 ML 2 3 4 5 A Message from Marilyn Burns We at Math Solutions Professional Development believe that teac