Grocery Shopping by the Numbers PDF
Preview Grocery Shopping by the Numbers
M I N D E REAL WORLD MATH: HEALTH AND WELLNESS N 21st Century G(cid:31)(cid:30)(cid:29)(cid:28)(cid:31)(cid:27) S(cid:26)(cid:30)(cid:25)(cid:25)(cid:24)(cid:23)(cid:22) Skills Library Trying to get the most for your money at the grocery store can be a challenge. Besides making sure you get the freshest produce and meats, you need to check labels on packaged foods and compare prices. Find out how you can use your math skills to master the art of grocery shopping. G (cid:21)(cid:27) (cid:20)(cid:26)(cid:28) N(cid:19)(cid:18)(cid:21)(cid:28)(cid:31)(cid:17) R O The Real World Math: Health and Wellness series introduces readers to some of the C ways that math can help them make healthy choices in the increasingly complex E world of the 21st century. Other titles in the series include: R Y • Breakfast by the Numbers • Gardening by the Numbers S • Cooking by the Numbers • Lunch by the Numbers H • Dinner by the Numbers • Restaurants by the Numbers O • Exercise by the Numbers P P To guide your reading, look for these notes that will help build the understanding I N and skills you’ll need in the 21st century. Look for the following margin notes: G B Learning & Innovation Skills Y T You need to learn about lots of things, but you also need to learn how to H learn. These notes give you hints about how to use what you know in better E and more creative ways. N 21st Century Content U M You study reading, math, science, and social studies. You also need to B learn about the world of work and your community. These notes tell you E about business and money. They also give you ideas about how you can R S help yourself, your community, and the world. Life & Career Skills These notes tell you about skills you will use throughout your life. They give you ideas about how to work well with others, make good decisions, and achieve your goals in life. ISBN-13: 978-1-60279-006-3 ISBN-10: 1-60279-006-X 9 781602 790063 21st Century Skills Library REAL WORLD MATH: HEALTH AND WELLNESS Grocery Shopping by the numbers Cecilia Minden Cher r y Lake Publishing Ann Ar bor, Michigan Published in the United States of America by Cherry Lake Publishing Ann Arbor, MI www.cherrylakepublishing.com Math Adviser: Tonya Walker, MA Boston University Nutrition Adviser: Steven Abrams, MD, Professor of Pediatrics, Baylor College of Medicine, Houston, Texas Photo Credits: Page 15, © Karen Kasmauski/Corbis; page 16, Illustration courtesy of U. S. Department of Agriculture Copyright ©2008 by Cherry Lake Publishing All rights reserved. No part of this book may be reproduced or utilized in any form or by any means without written permission from the publisher. Library of Congress Cataloging-in-Publication Data Minden, Cecilia. Grocery shopping by the numbers / by Cecilia Minden. p. cm. ISBN-13: 978-1-60279-006-3 ISBN-10: 1-60279-006-X 1. Grocery shopping—Juvenile literature. I. Title. TX356.M55 2008 641.3'1—dc22 2007003890 Cherry Lake Publishing would like to acknowledge the work of The Partnership for 21st Century Skills. Please visit www.21stcenturyskills.org for more information. Table of Contents C h a p t e r o n e Up and Down the Aisles 4 C h a p t e r t w o Get Fresh! 9 C h a p t e r t h r e e Do the Math: What to Buy and How Much to Get 15 C h a p t e r f o u r Do the Math: Eating Well on a Budget 23 C h a p t e r f i v e Shopping Like a Pro 27 Real World Math Challenge Answers 29 Glossary 30 For More Information 31 Index 32 About the Author 32 ChapTer One Up and Down the aisles Preparing a holiday meal requires organizational skills and planning. Y our family is getting ready for Thanksgiving dinner, and it’s time to hit the grocery store to stock up on food. You need everything from turkey to turnips. Where do you begin? How can you make sure you are getting the best deals? 21st Century SkillS library Your local grocery store or supermarket needs to sell its goods and keep its customers happy. This is how they survive as a business. There are several ways they do this. Some stores have employees greet you as you arrive. Others offer to carry your purchases to your family’s car. Grocery store employees make sure the shelves are stocked and that customers can find what they need. real World Math: Grocery Shopping by the numbers Other methods of keeping customers and boosting sales are less obvious. Many store layouts guide you to certain products in a certain order. Store managers research different layouts to determine which ones lead to the highest sales. The more time you spend in a store, the more merchandise you will probably buy. Every item is arranged in a specifi c way for a specifi c reason. REAL WORLD MATH CHALLENGE Manuel’s father asks him to go to the grocery store. he gives him $10.00 to buy a head of lettuce and some brown rice for tonight’s dinner. he tells Manuel that he probably will need to use no more than half of the $10.00. Manuel arrives at the store at 4:00 P.M. and intends to leave by 4:15 P.M. he becomes sidetracked as he searches for the items he is supposed to buy. he leaves at 4:35 P.M. and has spent $8.00. he bought two additional products that he thinks will go well with dinner. HHHHoooowwww mmmmuuuucccchhhh mmmmoooorrrreeee ttttiiiimmmmeeee ddddiiiidddd MMMMaaaannnnuuuueeeellll ssssppppeeeennnndddd aaaatttt tttthhhheeee ssssttttoooorrrreeee tttthhhhaaaannnn hhhheeee oooorrrriiiiggggiiiinnnnaaaallllllllyyyy eeeexxxxppppeeeecccctttteeeedddd???? HHHHoooowwww mmmmuuuucccchhhh mmmmoooorrrreeee mmmmoooonnnneeeeyyyy ddddiiiidddd hhhheeee ssssppppeeeennnndddd tttthhhhaaaannnn hhhheeee ppppllllaaaannnnnnnneeeedddd ttttoooo ssssppppeeeennnndddd???? WWWWhhhhaaaatttt ppppeeeerrrrcccceeeennnnttttaaaaggggeeee ooooffff hhhhiiiissss ffffaaaatttthhhheeeerrrr’’’’ssss mmmmoooonnnneeeeyyyy ddddiiiidddd hhhheeee actually use? ((TTuurrnn ttoo ppaaggee 2299 ffoorr tthhee aannsswweerrss)) 6 21st Century SkillS library Milk, eggs, and bread are often located at the back of the store. Fresh fruits and vegetables, breads, meats, cheeses, and frozen foods are found along the perimeters, or outside aisles. Inside aisles contain food that is packaged or canned. The end of most aisles features an endcap. This is a display of merchandise the store is promoting. It may involve special prices or bargains in an effort to get you to buy a certain product. Fresh fruits and vegetables are usually found along one of the outside aisles of a grocery store. real World Math: Grocery Shopping by the numbers Expensive goods are usually placed at eye level. Lower-priced products are frequently on one of the bottom shelves. Most people will buy what is in front of them rather than bend over to search areas that are less accessible. Some items are generally grouped together to promote sales. For example, tomato sauces are often found next to the pasta. Canned pie filling is usually near the flour and sugar. Does all this make the grocery store seem like a giant maze? Don’t get nervous—just think of the supermarket as a huge game board. You are the game piece. Your goal is to get through the checkout counter with the healthiest products you can find for the best possible prices. There are both obstacles and rewards along the way. Your math skills and your knowledge of nutrition are sure to help you win the game of grocery shopping! 21st Century SkillS library
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