Trial and Error
From the Monday math practice with Brilliant.org (Basic Mathematics>Reasoning Skills>Trial and Error): This one with dividing fractions caused some difficulty:
Tag: math
Telduivel. The counting devil.
Simon loves the book Telduivel, where a boy is taken on a mathematical adventure by a “counting devil. Many favourite themes are covered from a new angle. Here for example … Continue reading Telduivel. The counting devil.
Simon calculates colour probabilities. #RRGGBB
In the video below Simon applies his knowledge of combinatorics to calculate the total number of possible colours one can create in CSS. I didn’t ask him to do this. … Continue reading Simon calculates colour probabilities. #RRGGBB
Irrelevant Infromation
Continued with Brilliant.org today: irrelevant information word problems and even got one problem on factorials (4!):
Back to Brilliant
We decided to go back to the wonderful Brilliant.org for our math practices. Did the Estimations quiz yesterday: https://brilliant.org/practice/sat-estimation/?p=1 Brilliant also has many exercises on Physics, Chemistry, Computer Science and even … Continue reading Back to Brilliant
Golden Infinity
Simon came up with this “golden infinity” concept on Monday evening and had to wait until Tuesday morning to draw it for me. He started out with an equilateral triangle … Continue reading Golden Infinity
ResistorsResistorsResistorsResistorsResistorsResistorsResistorsResist
During math class Friday, calculating the resistance in Ohms.
RGB calculation
Simon made this chart tonight to be able to program an LED to change colours. He says he calculated all the values himself, the 255 bits being the max. Together … Continue reading RGB calculation
Math is Magic
Cut the Möbius strip several times along its length. the best magic trick ever. Simon finds that Möbius strip is four-dimensional.
Make it challenging! And make it snazzy!
Our tireless math tutor knows how to turn boring multiplication and division training into art. On Friday he had Simon complete this beautiful circle by multiplying and dividing by prime … Continue reading Make it challenging! And make it snazzy!
Also the simple stuff
Simon has been doing some “simpler” primary school material to make sure he has done that too. Stuff like long division: And soms with fractions from the Grote Rekenboek: Too … Continue reading Also the simple stuff
Right and wrong on the tennis court
– That was slightly wrong direction, Simon! – yells the tennis coach as Simon fails to hit the ball right for the tenth time. – That was 90 degrees wrong. … Continue reading Right and wrong on the tennis court
Geeks out of the box 