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of 9N is ALWAYS 9.
MATH FORUM: MACPOW 1020: A PANDIGITAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1191: THE WHISKEY BOTTLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1173: A POLYHEDRAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1180: A CHAMPERNOWNE PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1061: A FRACTIONAL SUM Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1185: NINES Hosted by The Math Forum Problem of the Week 1185 Nines MacPOW Home || Math Forum POWs || Search MacPOW. Solution The answer is surprising: For positive integers N meeting the conditions, the sum of the digitsof 9N is ALWAYS 9.
MATH FORUM - PROBLEMS LIBRARY - MATH FUNDAMENTALS, NUMBER Access to these problems requires a Membership.. Anderson's Pumpkin Patch - Teaching the Young Learner Group and Lisa Lavelle Math Fundamentals, difficulty level 2. How many students are there in Ms. Juncos's fourth grade class? MATH FORUM: MACPOW 1191: THE WHISKEY BOTTLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM - PROBLEMS LIBRARY - GEOMETRY - QUADRILATERALS Access to these problems requires a Membership.. Area of a Rhombus - Annie Fetter Geometry, difficulty level 2. Find the area of a rhombus, given one angle measure and the length of the longer diagonal. MATH FORUM: MACPOW 1173: A POLYHEDRAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1180: A CHAMPERNOWNE PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM - MATH LIBRARY - POWER MAT 476: Teaching Mathematics in the Middle and Secondary Schools - Prof. Carol A. Marinas; Mathematics & Computer Science, BarryUniversity, FL
MATH FORUM: MACPOW 849: ALICE ROZENCRANTZ AND BOB GUILDENSTERN Hosted by The Math Forum Problem of the Week 849 Alice Rozencrantz and Bob Guildenstern Fall 97 Archive || MacPOW Home || Math Forum POWs || Search MacPOW. Alice tosses 849 fair coins and Bob tosses 850. What is the probability that Alice gets more heads than Bob?. Source: Five Hundred Mathematical Challenges, by Barbeau, Klamkin, and Moser, MAA,1997.
MATH FORUM: MACPOW 1053: TRISKAIDEKAPHOBICS BEWARE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM - ASK DR. MATH Find items containing (put spaces between keywords): Click only once for faster results: [ Choose "whole words" when searching for a word like age.: all keywords, in any order at least one, that exact phrase parts of words whole wordsMATHFORUM.ORG
Apache/1.3.33 Server at mathforum.org Port 80 MATH FORUM: MACPOW 1020: A PANDIGITAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1061: A FRACTIONAL SUM Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1185: NINES Hosted by The Math Forum Problem of the Week 1185 Nines MacPOW Home || Math Forum POWs || Search MacPOW. Solution The answer is surprising: For positive integers N meeting the conditions, the sum of the digitsof 9N is ALWAYS 9.
MATH FORUM: MACPOW 1191: THE WHISKEY BOTTLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1173: A POLYHEDRAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1180: A CHAMPERNOWNE PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 793: SUPERPRIMES Hosted by The Math Forum Problem of the Week 793: Superprimes Fall 95 Archive || MacPOW Home || Math Forum POWs || Search MacPOW. Solution: Several of you solved the superprime problem. John Guilford (check) notes that there are probably infinitely many Hebrew superprimes. MATH FORUM: MACPOW 1024: HIDE THE CALORIES Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1053: TRISKAIDEKAPHOBICS BEWARE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.orgMATHFORUM.ORG
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MATH FORUM: MACPOW 1020: A PANDIGITAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1061: A FRACTIONAL SUM Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1185: NINES Hosted by The Math Forum Problem of the Week 1185 Nines MacPOW Home || Math Forum POWs || Search MacPOW. Solution The answer is surprising: For positive integers N meeting the conditions, the sum of the digitsof 9N is ALWAYS 9.
MATH FORUM: MACPOW 1191: THE WHISKEY BOTTLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1173: A POLYHEDRAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1180: A CHAMPERNOWNE PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 793: SUPERPRIMES Hosted by The Math Forum Problem of the Week 793: Superprimes Fall 95 Archive || MacPOW Home || Math Forum POWs || Search MacPOW. Solution: Several of you solved the superprime problem. John Guilford (check) notes that there are probably infinitely many Hebrew superprimes. MATH FORUM: MACPOW 1024: HIDE THE CALORIES Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1053: TRISKAIDEKAPHOBICS BEWARE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.orgMATHFORUM.ORG
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MATH FORUM - PROBLEMS LIBRARY - MATH FUNDAMENTALS, NUMBER Access to these problems requires a Membership.. Anderson's Pumpkin Patch - Teaching the Young Learner Group and Lisa Lavelle Math Fundamentals, difficulty level 2. How many students are there in Ms. Juncos's fourth grade class? MATH FORUM - PROBLEMS LIBRARY - GEOMETRY - QUADRILATERALS Access to these problems requires a Membership.. Area of a Rhombus - Annie Fetter Geometry, difficulty level 2. Find the area of a rhombus, given one angle measure and the length of the longer diagonal. MATH FORUM: MACPOW 1191: THE WHISKEY BOTTLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 849: ALICE ROZENCRANTZ AND BOB GUILDENSTERN Hosted by The Math Forum Problem of the Week 849 Alice Rozencrantz and Bob Guildenstern Fall 97 Archive || MacPOW Home || Math Forum POWs || Search MacPOW. Alice tosses 849 fair coins and Bob tosses 850. What is the probability that Alice gets more heads than Bob?. Source: Five Hundred Mathematical Challenges, by Barbeau, Klamkin, and Moser, MAA,1997.
MATH FORUM: MACPOW 1180: A CHAMPERNOWNE PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1173: A POLYHEDRAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1053: TRISKAIDEKAPHOBICS BEWARE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM - ASK DR. MATH Find items containing (put spaces between keywords): Click only once for faster results: [ Choose "whole words" when searching for a word like age.: all keywords, in any order at least one, that exact phrase parts of words whole words MATH FORUM: TEACHER2TEACHER Description: Helping students understand why you "move over a place" when multiplying two- and three-digit numbers Level: Late Elem. (3-5)MATHFORUM.ORG
Apache/1.3.33 Server at mathforum.org Port 80 MATH FORUM - MATH EDUCATION RESEARCH Key Issues for Mathematics: The Math Forum is a center for math education research, especially in the use of the Internet and other learning technologies for math education and teacher training. MATH FORUM: MACPOW 1020: A PANDIGITAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1106: ANGLE MEASUREMENT BY RULER Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1191: THE WHISKEY BOTTLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1173: A POLYHEDRAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1061: A FRACTIONAL SUM Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1013: DIGIT ROTATION Hosted by The Math Forum Problem of the Week 1013 Digit Rotation MacPOW Home || Math Forum POWs || Search MacPOW. Solution: There are many answers to Problem 1013 MATH FORUM: MACPOW 1053: TRISKAIDEKAPHOBICS BEWARE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1024: HIDE THE CALORIES Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MICHAEL DECKER, SENIOR, MACALESTER COLLEGE POW 1057 Michael Decker, Senior, Macalester College First note that no 1's will appear in the exspansion as removing it and adding 1 to another term will increase MATH FORUM - MATH EDUCATION RESEARCH Key Issues for Mathematics: The Math Forum is a center for math education research, especially in the use of the Internet and other learning technologies for math education and teacher training. MATH FORUM: MACPOW 1020: A PANDIGITAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1106: ANGLE MEASUREMENT BY RULER Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1191: THE WHISKEY BOTTLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1173: A POLYHEDRAL PUZZLE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1061: A FRACTIONAL SUM Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1013: DIGIT ROTATION Hosted by The Math Forum Problem of the Week 1013 Digit Rotation MacPOW Home || Math Forum POWs || Search MacPOW. Solution: There are many answers to Problem 1013 MATH FORUM: MACPOW 1053: TRISKAIDEKAPHOBICS BEWARE Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MATH FORUM: MACPOW 1024: HIDE THE CALORIES Home || The Math Library || Quick Reference || Search || Help © 1994-The Math Forum at NCTM.All rights reserved. http://mathforum.org MICHAEL DECKER, SENIOR, MACALESTER COLLEGE POW 1057 Michael Decker, Senior, Macalester College First note that no 1's will appear in the exspansion as removing it and adding 1 to another term will increaseTHE MATH FORUM
The Math Forum's Internet Math Library is a comprehensive catalog of Web sites and Web pages relating to the study of mathematics. This page contains sites relating to Middle School (6-8). MATH FORUM: TEACHER2TEACHER 32 threads found: Inequalities Activities to help students understand inequalities. - Date of thread's last activity: 19 September 2008 Software for creating trigonometric graphs MATH FORUM - ASK DR. MATH Find items containing (put spaces between keywords): Click only once for faster results: [ Choose "whole words" when searching for a word like age.: all keywords, in any order at least one, that exact phrase parts of words whole words ABOUT "RESOURCE MATERIAL" Author: Spencer, Chan; Univ. of Toronto Mathematics Network: Description: A collection of resource material for use in classes or extracurricular activities in high schools: answers, explanations, and expositions of some common but deep math questions. ABOUT "A RIVER RUNS THROUGH IT" Author: Stephen Meehan and Maureen Nolan: Description: A local river is the focus for this year-long series of integrated mathematics and science units for gifted fourth and fifth grade students.ABOUT "MATH DANCE"
Author: Karl Schaffer and Erik Stern: Description: The Dr. Schaffer & Mr. Stern Dance Ensemble has performed and conducted workshops on math dance in hundreds of ABOUT "DAVITILY MATH PROBLEM GENERATOR" Visit this site: http://www.davitily.com/ Author: Nguyen, Ly; and Pardue, David: Description: Create worksheets and tests, including options for multiple choice MATH FORUM - ASK DR. MATH Artin's Conjecture Date: 07/11/2002 at 11:34:36 From: Lekraj Beedassy Subject: Number Theory Hi Dr. Math, Examining tables of primitive roots of primes, and of numbers in general, it soon becomes clear that some numbers never show up as primitive roots. ABOUT "EARNING 5.5 PERCENT INTEREST" Author: NASA Lewis Learning Technologies Project: Description: Mareta put $4,000.00 in a savings account at an annual interest rate of 5.5%. How much interest will the principal earn in 1 year? MATH FORUM - ASK DR. MATH Dinner Triplets Date: 10/23/2000 at 00:09:58 From: Mike Reagan Subject: Combinations A woman plans to invite 15 friends to dinner. For 35 days she wants to have dinner with exactly three friends a day, and she wants to arrange the triplets in such a This website uses cookies to ensure you get the best experience on ourwebsite. Learn more
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Toggle navigation MENU * Classroom Resources * Back to School Resources * Monthly Featured Resources * Featured Math Resources: Pandemics * Illuminations & More Online Resources * Activities with Rigor & Coherence - ARCs * Reasoning & Sense Making Task Library * Problems of the Week Resources * Student Explorations in Mathematics * The Math Forum Resources* Publications
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The Math Forum has a rich history as an online hub for the mathematics education community. A debt of gratitude is owed to the dedicated staff who created and maintained the top math education content and community forums that made up the Math Forum since its inception. NCTM will continue to make many of the most popular parts of the Math Forum content accessible to the mathematics education community. We hope that you will JOIN or continue to be a member of the NCTM community to access even more high-quality resources for teaching and the learning of each and every student. -------------------------NOTICE AND WONDER®
We believe that when students become active doers rather than passive consumers of mathematics the greatest gains of their mathematical thinking can be realized. The process of sense-making truly begins when we create questioning, curious classrooms full of students' ownthoughts and ideas.
By asking WHAT DO YOU NOTICE? WHAT DO YOU WONDER? we give students opportunities to see problems in big-picture ways and discover multiple strategies for tackling a problem. Self-confidence, reflective skills, and engagement soar, and students discover that the goal is not to be "over and done," but to realize the many different ways to approach problems. Share your own stories with hashtag #NOTICEWONDER.
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* Ignite Video by Annie Fetter: Ever Wonder What They'd Notice? * The New York Times: What's Going On in This Graph? * Beginning to Problem Solve with "I Notice, I Wonder" * Using the Problems of the Week: Getting Started (How to Start Problem Solving in Your Classroom) * Example: Teresa's Tiles (PDF) -------------------------IGNITE!
What makes us passionate? What IGNITES us? See how well we do with 20 PowerPoint slides advancing every 15 seconds, whether we're ready or not. Watch these past talks: NCTM 2017 Annual Meeting and ExpositionSan Antonio
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For many years mathematicians, scientists, engineers and others interested in mathematics have played "year games" via email and innewsgroups.
We don't always know whether it is possible to write expressions for all the numbers from 1 to 100 using only the digits in the current year, but it is fun to try to see how many you can find.Year Game for 2020
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