# James Tanton’s candy dividing exercise

Yesterday we watched the “tie folding” part of James Tanton’s latest video: The video led to a great project with the boys last night: James Tanton’s tie folding problem The boys knew from the video that the method could also be applied to sharing candy. Since we didn’t watch that part of the video I … Continue reading James Tanton’s candy dividing exercise

# James Tanton’s tie folding problem

Saw a great new video from James Tanton today about folding a tie. The kids had spent yesterday hiking in New Hampshire and were a little tired, but Tanton’s project made for a perfect little afternoon project. I’ll present the videos in the order that we did them, so Tanton’s video is the third one … Continue reading James Tanton’s tie folding problem

# Revisiting James Tanton’s base 3/2 exercise

Several years ago we played around with James Tanton’s base 3/2 idea: Fun with James Tanton’s base 1.5 A tweet from Tanton reminded me about his project earlier this week. I was excited to revisit it and got a double surprise when my older son told me that he actually did it in his 7th … Continue reading Revisiting James Tanton’s base 3/2 exercise

# Another gem from James Tanton

Woke up to a comment from Josh from 3 J’s Learning about another great question posted by James Tanton: This question is a follow up to a similar question about rectangles that we tackled over Christmas vacation in Omaha: James Tanton’s Rectangle Problem This is also a much more difficult question and one that I … Continue reading Another gem from James Tanton

# James Tanton’s rectangle problem

Saw this neat question from James Tanton today and thought it would make for a nice last project of the year. We are still stuck in Omaha due to flight issues, so no videos . . . . Their first thought was to try out a few rectangles. After a few tries they found one … Continue reading James Tanton’s rectangle problem

# Reacting to James Tanton’s Math Wars essay

Saw this nice essay from James Tanton today: What especially caught my eye was the 2nd question – What is the difference between familiarity and understanding? A version of that question has been in my mind for a few days because of this comment on my blog from Paula Beardell Kreig: A comment from Paula … Continue reading Reacting to James Tanton’s Math Wars essay

# A probability problem from James Tanton’s “Solve This”

We were unpacking a bunch of books today and ran across James Tanton’s Solve This and Theoni Pappaas’s The Adventures of Penrose The Mathematical Cat. I asked the boys to find a problem they’d like to talk about and they found a gem from Tanton’s book: 16.1 A Fair Game? Peter has ten coins, Pennelope … Continue reading A probability problem from James Tanton’s “Solve This”

# Revisiting an old James Tanton / James Key pyramid project

Several months ago this tweet – inspired this project: A neat geometry project inspired by a James Tanton / James Key tweet Fast forward a few months today and I’m actually studying pyramids with my older son and it seemed like a great time to revisit the project. Because my younger son is also starting … Continue reading Revisiting an old James Tanton / James Key pyramid project

# A nice counting problem from James Tanton

Sow another super problem from James Tanton yesterday: Seemed like a great thing to talk through with the boys this morning. We started off with a quick overview of the problem, and both kids had really nice initial reactions. I was afraid that my older son’s idea had a lot of overlap with my younger … Continue reading A nice counting problem from James Tanton

# An old James Tanton-inspired 3d printing project pays off today!

Last summer James Tanton posted this problem on Twitter: That problem led to a super fun 3D printing project with the boys: James Tanton’s Geometry Problem and 3D Printing To my great (and wonderful) surprise, today my older son and I came across a similar problem from an old AMC 10: Problem #17 from the … Continue reading An old James Tanton-inspired 3d printing project pays off today!