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1.2 - Discrete Data Types and Examples Printer-friendly version Categorical/Discrete/Qualitative data Measures on categorical or discrete variables consist of assigning observations to one of a number of categories in terms of counts or proportions. The categories can be unordered or ordered (see below). Counts and Proportions Counts are variables representing frequency of occurrence of an event:

Math Resources for Teachers (Lessons, Activities, Printables: K-12) Highlights Classroom Organization Tips Did you resolve to get organized this year? Our Top 10 Classroom Organization Tips will help you get your classroom in shape for the months ahead, whether your existing system needs a tune-up or you're ready for a total overhaul. February Calendar of Events February is full of events that you can incorporate into your standard curriculum. Our Educators' Calendar outlines activities for each event, including: Eating Disorders Awareness Week (2/21-27) and Leap Day (2/29). 100 Best Websites for Mathletes As a math student, you’re probably used to seeing the world in a practical way. And although you’ve got a unique skill set that will help you compete in the job market, do you know how to apply those number crunching skills the real world? These 100 websites can help you find a job, network with other mathematicians, and even prepare for part-time work as a tutor, all while practicing your math skills. Organizations Turn to these official math organizations to learn about conferences, career prospects, research projects, and more. National Council of Teachers of Mathematics: If you’re a math teacher or interested in becoming one, check out the NCTM.

Mathematics education resources « Web n' Circle October 26, 2011 Jin Higher Education, Teaching&Learning Resources e-learning TSM resources provides a large collection of Mathematics education resources (including secondary, college and higher education pf Maths). sigma – Centre for Excellence in Mathematics & Statistics Support – resources to support students in mathematics and statistics. ATM (Association of Teachers of Mathematics) supports and provides resources for supporting mathematics education at higher education level. Mathcentre is an online resource for students to get quick reference guides and tutorials, and online practice exercises on many branches of mathematics.

Six questions to ask any statistic—before you make that business decision Apart from being such lovely sound bytes, numbers have an apparent precision, which is why we often give them more weight than they deserve. And these days, we’re all getting hit with one alarming statistic after another, so it’s a good time to dissect exactly what those two or three digit bytes actually represent. Here are six questions to ask any statistic, whether it's one you're generating via a survey, contemplating over your morning latte, or incorporating in a marketing plan: KS1 Numeracy A visual open ended activity to help with basic calculation and number bonds. Create number piles, Drag and drop the number bars to help explain a variety of concepts. A visual excersice to help with basic subtraction.

Möbius transformations revealed translations of this page: Deutsch Romana Möbius Transformations Revealed is a short video by Douglas Arnold and Jonathan Rogness which depicts the beauty of Möbius transformations and shows how moving to a higher dimension reveals their essential unity. Tutorial on the Use of Significant Figures All measurements are approximations—no measuring device can give perfect measurements without experimental uncertainty. By convention, a mass measured to 13.2 g is said to have an absolute uncertainty of plus or minus 0.1 g and is said to have been measured to the nearest 0.1 g. In other words, we are somewhat uncertain about that last digit—it could be a "2"; then again, it could be a "1" or a "3". A mass of 13.20 g indicates an absolute uncertainty of plus or minus 0.01 g. The objectives of this tutorial are: —Explain the concept of signficant figures.

Tangram Puzzles for Kids ABCya is the leader in free educational computer games and mobile apps for kids. The innovation of a grade school teacher, ABCya is an award-winning destination for elementary students that offers hundreds of fun, engaging learning activities. Millions of kids, parents, and teachers visit each month, playing over 1 billion games last year. Apple, The New York Times, USA Today, Parents Magazine and Scholastic, to name just a few, have featured ABCya’s popular educational games. ABCya’s award-winning Preschool computer games and apps are conceived and realized under the direction of a certified technology education teacher, and have been trusted by parents and teachers for ten years. Our educational games are easy to use and classroom friendly, with a focus on the alphabet, numbers, shapes, storybooks, art, music, holidays and much more!

1º ESO Bilingual Maths Notes on the unit Read the first section of the notes: The integers Now, copy and answer these questions in your notebook: ¿Cuáles son los números enteros? ¿Con que letra se representa a los números enteros? ¿Cómo se dice números enteros en inglés?

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