Maria's Math News, September 2014Learn how to help a student who is behind, learn about number talks, read my review of a geometry course, and more! 
Hello!
There is lots to read in this newsletter — I recommend you check out each item below, but especially the NUMBER TALKS, as I feel they are a really useful tool for building number sense! 2. Updated: How to help a student who is behind in math (grades 48) 3. Updated: Review of Geometry, Guided Inquiry (grade 10) 5. Active Mathematics for Homeschooling Families (grades 16) ~Maria 
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1. Math Mammoth newsMath Mammoth Grade 7A (the first part of grade 7) is now available as a download! This (when completed) is a fullfledged prealgebra course.See the contents & sample pages at this link! Grade 7 — more information → 
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2. Updated: How to help a student who is behind in mathI've updated my article where I discuss some general principles in helping students that are behind in math:
How to help a student who is behind→ 
3. Updated: Review of Geometry, Guided InquiryI've updated my review of a "combo" package for high school geometry, consisting of two different products:
Here's an excerpt from the review: Geometry: A Guided Inquiry is a problemcentered textbook. Each chapter starts with a central problem, which acts as a starting point for developing important concepts and theorems. The text reads like a "worktext": many of the problems are an inseparable part of the overall instruction, because they will lead the student in a stepbystep manner to important theorems and results. ... Home Study Companion: Geometry (HSC) by David Chandler really makes the textbook Geometry: A Guided Inquiry a home run for homeschoolers, because it provides complete, workedout solutions (not just answers) to all the problems in the Central (the main worktext) and Project sections of the textbook. The book itself contains answers to its various review and selftest sections, yet Chandler includes complete solutions on video to all of the Review sections, which allow the student to see the complete problem solving process of the problems. With the Home Study Companion, you will always have help available should you get stuck while doing the problems or the projects from the textbook. Not only that, but the Home Study Companion includes hundreds of interactive demonstrations using Geogebra, which is a free dynamic geometry software. These demonstrations cover most of the main concepts and many additional explorations of the Central and Projects sections of each chapter. Accompanying each demonstration (or cluster of demonstrations) is an activity guide (PDF file) that will help you get the most out of the Geogebra explorations and teach you how to use Geogebra as a tool on your own as well. This review is quite comprehensive, so read the rest of it here. Review of Geometry, A Guided Inquiry→ 
4. Number TalksWhat are "number talks"?They are short discussions among teacher & students about how to solve a particular mental math problem. The focus is not on the correct answer, but on all the possible methods of finding the answer. Each student has a change to explain their method, and everyone else will learn from other people's methods! Try it yourself! How would you solve 5 × 18 in your head? Jo Boaler has made a really good introductory video where you can learn the basics of number talks. So please watch it! Number talks is a really neat concept. Students can see that there are MANY ways of seeing the problem and finding the answer. It also helps students to communicate about mathematics — a very important skill — and to become more confident in class. In fact, number talks are a great way to help students to overcome a fear of presenting their solutions to others, because the tasks are short and relatively easy (the teacher of course needs to adjust the mental math problem to the students' level). So please watch the video. Here's another resource for number talks ("number strings"): numberstrings.com. Watch Jo's video → 
5. Active Mathematics for Homeschooling FamiliesActive Mathematics for Homeschooling Families is a FREE online course where you will create, investigate and discover math. The most important goals of the course are that participants:
I'm sure this is a worthwhile course about mathematical thinking & discovery! Note it starts in September, so hurry! Active Mathematics for Homeschooling Families → 
6. MathathlonMathlathon is a new monthly online math contest for students in grades 310. It is free if you have a subscription to Math Buddy; otherwise it costs $9.99 a year. But there are 12 contest in a year, so it's less than a dollar per contest. I checked the free sample contest for grade 6, and I liked it really well! Good questions! Features:
Check out Mathlathon → 
That's it for this newsletter! I hope you found something beneficial. Feel free to forward this issue to a friend/colleague! Subscribe here. Till next time, Maria Miller 
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