Added Jan 2014
iPad apps for school – blog by Richard Byrne
Free technology for teachers – blog by Richard Byrne
Android 4 schools – blog by Richard Byrne

Would you rather? - presents a picture with a mathematics problem that asks "would you rather?"
How does Wolfram Alpha work? – video (post) Mathematics, learning and Web 2.0 – math blog Thinking blocks – elem and middle school (post) - interactive templates in which students use brightly colored blocks to model and solve problems 10 resources for middle and high school math teachers (post) NRICH – math lessons (post)

Added December 2013 Science of NFL Football – from NBC Learn (post) MathDisk – create interactive worksheets (post)
Math of the Horizon (post)
Economics lessons for students of all ages (post)

Added November 2013
Figure This - math challenges for Families (post) Space Math - math lessons from NASA (post)
Curriki presents 6 PBL Geometry projects (post)
Math practice in 13 languages (post)
Math Shorts from Planet Nutshell (post) currently elementary and middle Math@Work – video series from Scholastic (post)

Added October 2013
Math Duel - iPad app - two students compete on one iPad (post)
ten good iPad apps for elementary school math practice (post)
Loot Pursuit - free math game for middle school students (post)
five mathematics glossaries for kids - grade K-12 (post) Math Live - animated math lessons for kids - elem and middle (post) - from Alberta Math Frame - 17-+ free math games - elementary (post) - from UK
IXL Math Practice - free iPad app K-6 (post)

Added Summer 2013 Bedtime Math - free daily math problems for all ages Math Chimp - games, videos and worksheets (1st-8th)-website and app Google Earth and Map lessons ULearniversity - online math lessons and practice activities +plus magazine - free online publication - practical applications of math Jefferson Lab - math and science puzzles, videos, games - teacher resources page Math Champ Challenge - iPad app for 4th-7th - aligned to Common Core Maths Week - from New Zealand McGraw Hill's eGlossary - a math glossary (post) Do-it-Yourself GIS - free resources for creating data maps Virtual Nerd - videos for math grades 6-8, pre-algebra, algebra 1 and 2 and geometry. From Pearson Innovation Math Challenge - from WGBH - deadline 11/22/2013 a challenge for educators, student teams, gamers, programmers, and anyone who has a great idea to create fun and engaging math educational media

iPad apps for school – blog by Richard Byrne

Free technology for teachers – blog by Richard Byrne

Android 4 schools – blog by Richard Byrne

Would you rather? - presents a picture with a mathematics problem that asks "would you rather?"

How does Wolfram Alpha work? – video (post)

Mathematics, learning and Web 2.0 – math blog

Thinking blocks – elem and middle school (post) - interactive templates in which students use brightly colored blocks to model and solve problems

10 resources for middle and high school math teachers (post)

NRICH – math lessons (post)

Added December 2013

Science of NFL Football – from NBC Learn (post)

MathDisk – create interactive worksheets (post)

Math of the Horizon (post)

Economics lessons for students of all ages (post)

Added November 2013

Figure This - math challenges for Families (post)

Space Math - math lessons from NASA (post)

Curriki presents 6 PBL Geometry projects (post)

Math practice in 13 languages (post)

Math Shorts from Planet Nutshell (post) currently elementary and middle

Math@Work – video series from Scholastic (post)

Added October 2013

Math Duel - iPad app - two students compete on one iPad (post)

ten good iPad apps for elementary school math practice (post)

Loot Pursuit - free math game for middle school students (post)

five mathematics glossaries for kids - grade K-12 (post)

Math Live - animated math lessons for kids - elem and middle (post) - from Alberta

Math Frame - 17-+ free math games - elementary (post) - from UK

IXL Math Practice - free iPad app K-6 (post)

Added September 2013

Common Core Math: high school - from edutopia (post)

Common Core Math: middle school - from edutopia (post)

Coral Reef Fish Survey Simulation from NatGeo (post) - uses estimation

TenMarks - 20,000+ math problems aligned to Common Core (post) - elementary and middle school

Mathispower4u - 3000+ free mini-lessons with no ads

Added Summer 2013

Bedtime Math - free daily math problems for all ages

Math Chimp - games, videos and worksheets (1st-8th)-website and app

Google Earth and Map lessons

ULearniversity - online math lessons and practice activities

+plus magazine - free online publication - practical applications of math

Jefferson Lab - math and science puzzles, videos, games - teacher resources page

Math Champ Challenge - iPad app for 4th-7th - aligned to Common Core

Maths Week - from New Zealand

McGraw Hill's eGlossary - a math glossary (post)

Do-it-Yourself GIS - free resources for creating data maps

Virtual Nerd - videos for math grades 6-8, pre-algebra, algebra 1 and 2 and geometry. From Pearson

Innovation Math Challenge - from WGBH - deadline 11/22/2013

a challenge for educators, student teams, gamers, programmers, and anyone who has a great idea to create fun and engaging math educational media

Added May 2013

Clinometer app

SOS Math free math review - Algebra to Differential Equations

Oxford University Math OpenCourseWare

Added April 2013

Core Math Tools (from NCTM) http://www.nctm.org/resources/content.aspx?id=32702

10 good video sources for math students and teachers

Put a scientific calculator on your blog

Math is Power 4 U - tutorial videos

How is math beautiful

Added March 2013

Math Trail (map based math games) http://www.freetech4teachers.com/2013/03/math-trail-map-based-math-trivia.html#.UUpC3Rc8BI4

Added February 2013

Opus-Free math problem word bank aligned to CC: blog post-http://www.freetech4teachers.com/2013/03/opus-sample-math-problems-aligned-to.html#.UT-mNdbEVI4

site: http://www.opusmath.com/

Math Worksheets (lower level) http://numbersheets.com/

CK-12 Free resources (including textbooks) http://www.ck12.org/teacher/

Properties of Rational Numbers example http://www.ck12.org/concept/Properties-of-Rational-Numbers#all

AIM Open Textbook Initiative http://www.aimath.org/textbooks/textbooklist.html

Added January 2013

Multiplication.com http://www.multiplication.com/

Mathcasts http://math247.pbworks.com/w/page/20517498/FrontPage

How does math guide our ships at sea? (video) http://ed.ted.com/lessons/how-does-math-guide-our-ships-at-sea-george-christoph

Math in Careers Database - http://www.xpmath.com/careers/

Pizza physics - http://ed.ted.com/lessons/pizza-physics-new-york-style-colm-kelleher

Good Math Feeds for teachers - http://www.freetech4teachers.com/2013/01/5-good-mathematics-feeds-for-teachers.html

Added December 2012

Wolfram Math http://mathworld.wolfram.com/

Wolfram examples by topic http://www.wolframalpha.com/examples/

Wolfram math examples http://www.wolframalpha.com/examples/Math.html

Wolfram statistics and data analysis examples http://www.wolframalpha.com/examples/Statistics.html

Wolfram units and measures examples http://www.wolframalpha.com/examples/UnitsMeasures.html

Wolfram money and finance examples http://www.wolframalpha.com/examples/MoneyAndFinance.html

Wolfram: The Math Behind Numbers http://numb3rs.wolfram.com/616/

Wolfram Mathematica http://www.wolfram.com/mathematica/

Wolfram Mathematica Online Integrator http://integrals.wolfram.com/index.jsp

Wolfram Functions http://functions.wolfram.com/

Math in Careers database http://www.xpmath.com/careers/

Mathcasts http://math247.pbworks.com/w/page/20517498/FrontPage

Math links http://jc-schools.net/tutorials/tools/math-hs.html

Lesson plans http://www.teach-nology.com/teachers/lesson_plans/math/912/

http://free.ed.gov/- look for math section

Many SAT test prep links http://sdst.libguides.com/testprep