Teaching Math in the 21st Century 1511632882, 9781511632881
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English Pages [168] Year 2015
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Teaching Math in theIst _
Digitized by the Internet Archive in 2022 with funding from Kahle/Austin Foundation
https://archive.org/details/teachingmathin210000gare
Teaching Math in the 21** Century
An honest and critical look at math education from the inside, from the author of “Letters from John Dewey/ Letters from Huck Finn”
by Barry Garelick
Modern Edueation Press
Dedication
To all my students. And to the memory of fellow math teacher John Gyselbrecht.
The chapters in this book originally appeared in the blog “Out in Left Field” under the title “Conversations on the Rifle Range” and were in slightly different form.
Copyright © 2015 by Barry Garelick All rights reserved. ISBN13: 978-1511632881 ISBN10: 1511632882
Library of Congress Control Number:
2015906913
Table of Contents EORWARDIBGA Sites cetsteteetenceetssscavcese sumea esas rae
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INTRODUCTION jasccconceccestencthccctenatees Makcmenenitesavansehenccvherer ee
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CHAPTER 1: NOT YOUR MOTHER’S ALGEBRA 1 AND THE GUY WHO REALLY KNOWS ...... a CHAPTER 2: NEGATIVE NUMBERS, BACK-TO-SCHOOL NIGHT, A TATTOOED MAN AND A
IVIV SERIOUS © IRANGER recturtscnenac Wms cr ate ens eckc Menace Cannas aescacmaehaccsseteesnecermcateoavecs 16 CHAPTER 3: THE BROOM IN THE STORE ROOM, MULTIPLE ANSWERS, AND THE RITUALS OF
PECUIIUIRATION naneoceatonn checoeticea odor aektacarenattaccem caeem sak etetons eee tas armeame nebo tevee Ail
CHAPTER 4: THE RIFLE RANGE AND WHAT THE HELL AM! GOING TO Do NOW?.............. 27, CHAPTER 5: DIVISION BY ZERO, A BURNING QUESTION, AND THE OCARINA PLAYER.......++ 32 CHAPTER 6: GRANT'S TOMB AND THE BENEFITS OF BOREDOM. ......s:.ssessseceesseeessseeeesees 37/
CHAPTER 7: WINDS AND CURRENTS, FORMATIVE ASSESSMENTS, AND THE ETERNAL GRATITUDE OR DUDEStin
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CHAPTER 8: REPEATING DECIMALS IN POST-COLD WAR AMERICA........ssssssssssssreeeeeeseees 49 GHAPTERIG SADIGIRTANGRYI DOV aeesnnsen saeeesccsaae soars cosssrres atten saomeae nome cctaoottrtccomans 55 CHAPTER 10: JFK, THE BEATLES AND GETTING BACK IN THE SWING OF THINGS..........006+ 62
CHAPTER 11. CLASSROOM RULES AND PROCEDURES AND PROCEDURES VS. UNDERSTANDING 152) a
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CHAPTER 12: TEACHING TO THE AUTHENTIC ASSESSMENT. .........sccccccccccncccnsscearesraenerans 73
CHAPTER 13: PERCENTS, SIMPLE INTEREST, AND NINJA WARRIORS........ccssessseeeeeesnseeeeee 79 CHAPTER 14: LATE START MONDAYS, DEBBY DOWNERS, NERVOUS NANCIES AND A TIGER WO Mipeetectere nna eatectac ee wane
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CHAPTER 15: WORD PROBLEMS, NO GUESS AND CHECK, AND A SOUND BITE FOR AN INTERVIEW eceectcnccdectesatseetccstrscerrunetantekr sass saustrosuteaavcueestrnesecntetss