Archives
Ideas for Teaching Mathematics
- 2013: 01 02 03 04 05 06 07 08 09 10 11 12
- 2012: 01 02 03 04 05 06 07 08 09 10 11 12
- 2011: 01 02 03 04 05 06 07 08 09 10 11 12
- 2010: 01 02 03 04 05 06 07 08 09 10 11 12
- 2009: 01 02 03 04 05 06 07 08 09 10 11 12
May 2013
March 2013
- A Geometric Model for the Lunch Date Problem
- Why do we 'invert' the divisor in division of fractions
- Pentagon to Quadrilateral Puzzle
- 911 math assistance service
February 2013
- A 21st century skill: reading and writing codes
- Should we do away with calculation?
- Guest Post: Mega Math Challenge
- 8 Different Ways to Think of the Derivative
- Top 5 Best Math Education Sites and Blogs
January 2013
- Levels of Problem Solving Skills
- What are the Three Worlds of Mathematics?
- Student Achievement in Mathematics - TIMSS Ranking
December 2012
- Christmas GeoGebra Applet
- Top 20 Math Posts and Pages in 2012
- Definitions of Commonly Used Words in Math Lectures
- A problem solving lesson about triangles and circles
November 2012
- The problem with physics education is math education
- What is good mathematics?
- If One World Trade Center is a prism and not an antiprism, would it be less in volume?
- Develop your 'Variable Sense'
October 2012
- How to derive the quadratic formula
- Solving quadratic equations by completing the square
- Math blog carnival
- The many faces of multiplication
- Test your understanding of irrational numbers
- Equations, Equations, Equations
- Regular Polygons Problems
September 2012
August 2012
- A triangle is a fish
- What is variation theory of learning?
- Guest Post: Real World Uses of Geometry
- Strengths and limitations of each representation of function
- NCTM Process Standards vs CCSS Mathematical Practices
July 2012
- Teaching Math with Mr Khan's Videos - Variation
- George Polya's Ten Commandments for Teachers
- Mathlets - dynamic math applets
- Which is easier to teach and understand - fractions or negative numbers?
June 2012
- Math Problems for K-12 with solution
- Bob is learning calculation
- Math Teachers at Play at Math Mama
- Ten problem solving and geometric construction tasks
- Line multiplication and the FOIL method
May 2012
- Two Plus Two or Why Indians Flunk
- Bloom's Taxonomy and iPad Apps
- Guest post: Online Resources to Supplement Math Lessons
- Math knowledge for teaching fractions and decimals
- Math Teachers at Play blog carnival #50
- Math Knowledge for Teaching Addition
- How is problem solving learned?
- Math Teachers at Play blog carnival #50 - submission
- Math knowledge for teaching tangent to a curve
- What can the representations of numbers tell us?
April 2012
- The house of quadrilaterals
- The nature of math vs the nature of school math
- What are fractions and what does it mean to understand them?
- Math Teachers at Play Blog Carnival
- Teaching maximum area problem with GeoGebra
- Mathematics poster
- Theories and ideas behind the math lessons in this blog
March 2012
- Levels of math teachers expertise
- Why negative times a negative is positive
- Math Education Studies
- Dancing graphs
- Math Lessons in Mathematics for Teaching
- How to grow algebra eyes and ears
- How to teach the inverse function
- History of algebra as framework for teaching it?
February 2012
- What is an inverse function?
- Angles are not that easy to see
- Teaching the derivative function without really trying
- Bedrock principles of math and what it means to understand math
- Curve Art in GeoGebra
- The Four Freedoms in the Classroom
January 2012
- Math Blog Carnivals
- Using cognitive conflict to teach solving inequalities
- Who increased the debt? - a lesson on graphs
- Facebook is CIA's #1 online surveillance program - Humor
- What is cognitive conflict approach to teaching?
- Free online calculator for problem solving and math investigation needs
December 2011
- Why we need more math blogs
- Schools kill creativity
- Should we define multiplication as repeated addition?
- Should the historical evolution of math concepts inform teaching?
- What is Universal Design in Learning?
- What is visual mediation in learning?
November 2011
- Math and Multimedia Blog Carnival #17
- Teaching mathematics by visual scaffolding
- Analyzing and explaining mathematical thinking and learning
- Math Blog Carnival Submission
- The surprising truth about what motivates us
- Use of exercises and problem solving in math teaching
- The fun in learning mathematics is in the challenge
- Are negative numbers less than zero?
- What are the uses of examples in teaching mathematics?
- Pathways to mathematical understanding using GeoGebra
October 2011
- Math and Multimedia Carnival # 17 will be hosted here
- Can having fun and learning math coexist?
- Visual representations of the difference of two squares
- Linking combination and permutation with repetition
- What is proportional reasoning? Does cross multiplication help learn it?
- What is reasoning? How can we teach it?
- What makes counting problems difficult
- Pascal's triangle and Counting Permutations
- Top Ten Reasons To Become A Teacher
- Well done, Steve Jobs
- What is the role of visualization in mathematics?
- Making generalizations in mathematics
September 2011
- A challenging complex number problem with solution
- What is abstraction in mathematics?
- Differentiation problem in parametric context with solution
- When is a math problem a problem?
- National Seminar-Workshop for teachers about teaching the k+12 curriculum
- Summation problems with solutions
- Making connections: Square of a sum
- DepEd's Explore, Firm Up, Deepen, Transfer
- Teaching mathematics with GeoGebra
- Mathematical patterns in nature
- Guest post to share your math teaching ideas
August 2011
- Learning research study module on analyzing understanding of function
- Google+1
- How to scaffold problem solving in geometry
- Fun with 'definitions' in algebra
- What is a coordinates system?
- Types of tasks that encourage conceptual understanding
- Why math education is failing
- What kind of mathematical knowledge should teachers have?
- What are the big ideas in function ?
- To blog newbies
- Assessing understanding via constructing test items
July 2011
- Slopes of tangent lines
- The Counting Principle, Pascal's Triangle, and Powers of 2
- Announcement: National Seminar-Workshop in Science and Mathematics Education
- Embedding the idea of functions in geometry lessons
- Solving algebra problems - which one should be x?
- Teaching triangle congruence
June 2011
- Announcement: Seminar-Workshop on GeoGebra
- Twelve definitions of a square
- Teaching the meaning of equal sign
- What is i equal to?
- Love and Tensor Algebra
- Solving systems of linear equations by elimination method
- Math and Multimedia Blog Carnival #12
- Teaching algebra - it pays to start early
- English edition Japanese Grades 1- 6 Math textbooks 50% off until September
- What is algebra? Why study it?
May 2011
- How should students understand the subtraction operation?
- Constructing polygons with equal area
- Announcement: Mathematics Blog Carnival submission now on
- What exactly is the square root of 36?
- Mistakes and Misconceptions in Mathematics
- Geometric relations - angles made by transversal
- Problem on proving perpendicular segments
- Geometry lesson: Collapsible chair model
- How is a paradigm created?
- Forms of mathematical knowledge
- "New Math" curriculum
April 2011
- How confident are you to teach mathematics?
- The Pi Song
- What is mathematical modeling?
- How to scaffold algebraic thinking in teaching integers
- Why it is bad habit to introduce math concepts through their definitions
- Teaching negative numbers via the numberline with a twist
- Top 10 errors in algebra
- History of numbers
March 2011
- Doing problem solving
- To understand mathematics is to make connection
- Introducing negative numbers
- Knowledge of Teaching with ICT
- Keeping Math Simple is now Mathematics for Teaching
- Announcement: GeoGebra seminar-workshop at UP NISMED
February 2011
- sorting pi, e, and root 2
- Teachers, principals, DepEd, this one's for you
- Math and Multimedia Carnival #7
January 2011
November 2010
September 2010
- (Mis) Understanding by Design
- Teaching irrational numbers - break it to me gently
- Conference on Assessing Learning
- Teaching with GeoGebra - Investigating coordinates of points
- Teaching simplifying and adding radicals
- Teaching with GeoGebra: Squares and Square Roots
- GeoGebra, Calculator, and Mathematics
August 2010
- Lesson study on teaching subtraction of integers
- GeoGebra and Learning Mathematics
- Problem Solving Involving Quadrilaterals
- Understanding by Design and Pedagogical Content Knowledge
- Teaching and Learning Algebra Blog Carnival
- Teaching algebraic thinking without the x's
July 2010
- Teaching the properties of equality through problem solving
- Properties of equality - do you need them to solve equations?
- Teach for conceptual and practical understanding
- Patterns in the tables of integers
- Fractions are not numbers
- Conference on Assessing Science and Mathematics Learning
- Teaching the concept of function
June 2010
- Teachers teach to the test, students study to the test
- Teaching trigonometry via problem solving
- Pedagogical Content Knowledge Map for Integers
May 2010
- Lesson Study in Mathematics
- Enduring understanding
- Who says subtracting integers is difficult?
- Mathematics is an art
- PCK Map for Algebraic Expressions
- why learn mathematics?
April 2010
- Teaching positive and negative numbers
- Teach and assess for conceptual understanding
- From whole numbers to integers - so many things to "unlearn"
- Understanding by Design, one more go
- Algebra test items: Trigonometric Functions
- Algebra test items - Graphs of rational functions
- Algebra test items - Zeroes of function
- Math War over Multiplication
March 2010
- Curriculum change and Understanding by Design, what are they solving?
- What is mathematical literacy?
- How to facilitate a lesson study group
- What is mathematical investigation?
- Algebraic thinking in algebra
February 2010
- Understanding by Design from WikiPilipinas
- Teaching combining algebraic expressions with conceptual understanding
- Math investigation lesson on polygons and algebraic expressions
- swimming, math, and life
- What is Lesson Study?
- Math is not easy
- Assessing conceptual understanding of integers
January 2010
- Mathematical habits of mind
- Assessment for learning - its genealogy
- Algebraic thinking and subtracting integers - Part 2
- Subtracting integers using tables
- Subtracting integers using numberline - why it doesn't help the learning
- My issues with Understanding by Design (UbD)
December 2009
- What is scaffolding in education?
- Assessing understanding of graphs of functions
- Evolution of the definition of function
November 2009
- Solving systems of equations by elimination - why it works
- Features of good problem solving tasks for learning mathematics
- Teaching through Problem Solving
- The heart of mathematics
- Trigonometry - why study triangles
- Exercises, Problems, and Math Investigations
October 2009
- Teaching absolute value of an integer
- What is an integer?
- What is algebraic thinking?
- Levels of understanding of function in equation form
- Algebra vs Arithmetic Thinking