public marks

PUBLIC MARKS from knann with tags hs:math & ms:math


Interactives: Geometry 3D Shapes

This website offers motivational and interactive class activities to learn more about 3D shapes. It also shows how to calculate surface area and volume, as well as other mathematical properties about the 3D shapes. Specific topics include surface area and volume, platonic solids, Euler's Theorem, and several others. The Test Your Skills link provides an interactive quiz complete with photos, illustrations, and animations. The About This Interactive link provides standards, goals, lesson ideas, and more.


Select Math

Math lessons for grades 6 - 12 aligned to standards and online manipulatives

Subject Matter Interactives

"Interactives" provides educators and students with strategies, content, and activities that can enhance and improve students' skills in a variety of curricular areas.

MathSite: An Interactive Source for Seeing, Hearing, Doing Mathematics

The exhibits of the MathSite are intended for people of all ages who are interested in or are curious about mathematics. No specialized mathematical knowledge or expertise is assumed.

Columbus State University:Math Contest

Columbus State University’s College of Education is now the home of the Problem of the Week math contest, which was started in 1996 by David Rock and Doug Brumbaugh. The math educators also supply problems and answers that are part of the current White House Math Challenge, a presidential effort to boost interest in math and foster problem-solving skills. Visit our history page for more on these and the companion problem-solving sites here — Algebra in Action, Middle School Madness and Elementary Brain Teaser.

Math Presentations

Tons of PowerPoints ready for you to use in your K-5 or 6-12 Math class. Other subjects also available.

dy/dan » Blog Archive » Graphing Stories

Dan Meyer, a math teacher from Santa Cruz, CA. Dan used a videos of himself doing various things to teach graphing to his algebra students. The premise is simple: cross an arched bridge; descend a flight of stairs; all within a time frame that the students are shown. What would the graph of that look like in terms of elevation change over time? The lesson, which is downloadable, including the videos, is detailed at his blog here. You can download one, or all of the videos. Entire lesson is 45 minutes


Tabula Digita is an educational gaming company focused on delivering innovative and effective educational games to students and institutions. The games have all of the action adventure fun associated with mainstream games while simultaneously providing an efficient learning environment to better prepare students for high stakes exams. Tabula Digita’s games can be used as stand alone teaching programs or they can be used to support and enhance conventional teaching methods and materials. Tabula Digita’s experiential learning systems are embedded in a stunning first person, action adventure video game format.

BBC - Mathematics Skillswise -

Excellent site for older students to practice math skills. Only drawback is that money uses the British pound currency.


Kakuro - Cross Sums

by 1 other
Hot on the heels of Sudoku comes Kakuro. Think of them as the mathematical equivalent of crosswords. Also known as Cross Sums or Kakro in Japan . A Kakuro consists of a playing area of filled and empty cells similar to a crossword puzzle. Some black cells contain a diagonal slash from top left to bottom right with numbers in them, called "the clues". A number in the top right corner relates to an "across" clue and one in the bottom left a "down" clue.

Factoring with Mr. Yang

Learn about factoring expressions and equations and more with this comic series.


GeoGebra is a free and multi-platform dynamic mathematics software for schools that joins geometry, algebra and calculus. It received several international awards including the European and German educational software awards. It is open sourced, can be web-based or installed locally. Very similar to Geometer's sketchpad.

SketchUp: Dream. Design. Communicate. Geometry for the Real World

by 2 others
Google has some free software that some Math Teachers may want to look at and use with their classes. The software is called SketchUp and it’s a simple but powerful tool for quickly and easily creating, viewing and modifying your 3D ideas.lick on a shape and push or pull it to create your desired 3D geometry. Experiment with color and texture directly on your model. Real-time shadow casting lets you see exactly where the sun falls as you model. Select from thousands of pre-drawn components to save time drawing. I was very impressed with the ease of use of the software along with the video tutorials and user guide that is on the site. It’s worth taking a look if you teach Geometry.

Podcast channel: Maths in Motion

These podcasts are aimed at parents who wish to help their children with mathematics. They have been created and produced by Millthorpe School, York in the UK. The school caters for young people 11-16 years of age and has dual specialist status for Languages and Science

Math Mnemonics Archive

Mnemonic: n. A device, such as a formula or rhyme, used as an aid in remembering. Provides a list of Memory aids for math formulas, concepts, operations, and more.

MathDEN: Mathematics Resource for the Home and Classroom

MathDEN assists teachers and students to develop individualized programs. At the same time, MathDEN can also be used very effectively as a collaborative tool. MathDEN's content is geared specifically for students age 12-18


NCTM : Illuminations Lessons

Interactive Math tools for grades for K-12. Accompanied by lesson plans and NCTM standards

NCTM Principles and Standards for School Mathematics

by 1 other
Lessons, standards, tools, and web resources for mathematics gr K-12.

National Library of Virtual Manipulatives

Library of Java Applets aligned to math strands and standards. Many items similar to Investigations software. Click Grade level for specific strand.

Distance Time Graph

This is an awesome resource for students learning about speed and distance time-graphs. Uses graphs synched with video of soccer/football players during a game.

WisWeb Math Applets Gr 7-12

Applets designed for middle school and beyond.

Math Tools

In one click, locate outstanding resources for math from the best educational site. Search by grade level, math topic and subtopic. Select Tools and then any activity where the technology type is java applet, flash, sketchpad, or shockwave. Hover over resource name for a brief description.

FedStats: Federal Government Kids' Page

These statistical agencies provide special webpages for kids in elementary through high school. The webpages include fun facts, games, project ideas, and career information.