MS Math

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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities can be found here On this website you will find thousands of our free mathematics enrichment materials (problems, articles and games) for teachers and learners from ages 5 to 19 years. All the resources are designed to develop subject knowledge, problem-solving and mathematical thinking skills. The website is updated with new material on the first day of every month.

On this website you will find thousands of our free mathematics enrichment materials (problems, articles and games) for teachers and learners from ages 5 to 19 years. All the resources are designed to develop subject knowledge, problem-solving and mathematical thinking skills. The website is updated with new material on the first day of every month.

Amusing Maths games, crafts, art, projects, story problems, and others

Elementary: Addition, subtraction, multiplication, order numbers, dogs counting, money games, math puzzles Middle School: estimation by rounding, order of operations, order integers, circle graphs, predictions, line graphs, patterns, percent estimation, money, fractions

Conic flyer, Derivate, function flyer, linear inequalities, slope slider and more. Note the tabs for number and operations, geometry, algebra, probability, statistics, modeling, discrete, and other

This activity allows the user to measure angles and explore the concept of "scale" as it pertains to maps, images, and drawings. The scale feature allows the user to define a scale and then using that scale, measure distances or areas on a selected image. Understanding scale measurements requires understanding the concept of proportion. When using a scale model or drawing, a ratio is given such that a measurement taken from the model or drawing represents another measurement, presumably the "life size" measurement the model or drawing represents. This ratio can then be set equal to a second ratio where a second measurement is taken from the model or drawing in order to determine the unknown "life size" measurement.

211 activities with descriptions and lesson plans

144 resources and activites

76 resources and student activities

162 resources covering a variety of geometry topics.

131 activites that include challenge problems, puzzles, fun with calculators, etc. These are from the NCTM content.

Over 7,000 websites created by students around the world who have participated in a ThinkQuest Competition.