Supply and Demand

Supply and Demandby Jamie A. Schroeder

For teachers'inspection ONLYLevel 20 K Word Count: 436*The Big IdeaThis book tells about the principlesof supply and demand and howthese principles affect price.What are needs?What are wants?Skills at a GlanceMonitor-Reading:• Make connectionsComprehension:• Identify cause and effectPhonics:• Open syllables (bicycles, demand,people, video)Fluency:• Read with phrasesTier Two Vocabulary:• withoutTier Three Vocabulary:• cost, demand, needs, supply, wantsGrammar, Word Study, andLanguage Development:• Use negatives• Use homophones (buy, by, not, one,sale, too, week)Sentence Pattern:• The is .* Numerals, vocabulary words on pages 2 and 3, and words in photocaptions, labels, diagrams, and charts are not included in the wordcount for this book.Early Explorers TMB ENCHMARK E DUCATION C OMPANY629 Fifth Avenue • Pelham, NY 10803Credits:Editors: Vicki Rushworth and David HaggertyCreative Director: Jonette JakobsonPhoto Editor: Lynne ShulhaferCopyright © 2007 Benchmark Education Company, LLC. All rights reserved. No partof this publication may be reproduced or transmitted in any form or by any means,electronic or mechanical, including photocopy, recording, or any information storage orretrieval system, without permission in writing from the publisher. Printed in Canada.ISBN: 978-1-4108-8115-1For ordering information, call Toll-Free 1-877-236-2465 orvisit our Web site at www.benchmarkeducation.com.

For teachers'inspection ONLYSupply and Demandby Jamie A. SchroederTable of ContentsWhat Are Needs? What Are Wants? . . . . . . . . . . . . . . . . 4What Is Supply? What Is Demand?. . . . . . . . . . . . . . . . 10Why Do Some Things Cost More? . . . . . . . . . . . . . . . . . 14Glossary and Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

For teachers'inspection ONLYI need to know these words.bicycleshoesskateboard2