The Investigations curriculum was developed by TERC, Cambridge, MA.

This material is based on work supported by the National Science Foundation (“NSF”) under Grant No. ESI-0095450. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

Copyright © 2017 by Pearson Education, Inc. or its affiliates. All Rights Reserved. Printed in the United States of America. This publication is protected by copyright, and permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise. For information regarding permissions, request forms from the appropriate contacts within the Pearson Education Global Rights & Permissions Department. Please visit www.pearsoned.com/permissions.

PEARSON, ALWAYS LEARNING, INVESTIGATIONS, and PEARSON REALIZE are exclusive trademarks owned by Pearson Education, Inc. or its affiliates in the U.S. and/or other countries.

Common Core State Standards: © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

GeoBlocks™ is a trademark of hand2mind, Inc.

Power Polygons™ is a trademark of hand2mind, Inc.

Unless otherwise indicated herein, any third-party trademarks that may appear in this work are the property of their respective owners and any references to third-party trademarks, logos or other trade dress are for demonstrative or descriptive purposes only. Such references are not intended to imply any sponsorship, endorsement, authorization, or promotion of Pearson's products by the owners of such marks, or any relationship between the owner and Pearson Education, Inc. or its affiliates, authors, licensees or distributors.

ISBN-13: 978-0-328-89811-4

ISBN-10: 0-328-89811-2

2 16

Table of Contents