Exploding Dots: The Story of Place-Value Throughout the Curriculum


January 28, 2021

9am - 11am (Thailand Time)

Check the time in Your Time Zone


(register by January 22, 2021)  

Baht 4500 (≈USD 150) per participant


Led by:

Dr. James Tanton

Target Audience

K - 8 Math Teachers


Topics Covered

  • The human story of place-value: how we write, think about, and visualise numbers.

  • Why humans are so drawn to the number 10 in matters of arithmetic and counting.

  • How to make natural and easy sense of the school algorithms for addition, multiplication, subtraction, and division.  

  • How your incredible work of teaching K-8 arithmetic plays a vital role in the high-school algebra your students will do.


Look at this webpage https://globalmathproject.org/community/
Watch the two videos about EXPLODING DOTS made by colleagues.
Click on the LET’S GO buttons and explore as much or as little as you like. 

Workshop Leader

Dr. James Tanton earned his PhD in mathematics from Princeton University. He is an author, a consultant, and ambassador for the Mathematical Association of America in Washington D.C., chair of the Advisory Council for the National Museum of Mathematics, and a founder of the Global Math Project, an initiative to transform the entire world’s perception of what mathematics can, and should, be. This program has now reached over 6 million students and teachers across the planet.


James has taught mathematics both at university and high-school institutions. He advises on curriculum, consults with teachers, and gives demonstration classes, lectures, and professional development sessions across the globe. James is also recipient of a Joint Policy Board for Mathematics communication award for 2020.

Workshop Coordinator

Sonthaya Chutisacha