Lego math: multiples and factors.

My middle child has just been starting on understanding multiples. He’s been telling me little things like that it would take twelve of something to make four of something else in minecraft, and doing little calculations like that in his head. I want to encourage it and today I decided we’d use some lego to see if we could discuss multiplication that way. To start with, I made some stacks of different lego pieces. The easy stacks were of pieces three, four, six, eight and ten bumps long. I wanted some odd numbers so I made stacks for five and Continue reading