Wow... I never knew... Sure wish I had been taught this strategy when I was a kid!
Here's a set of number organizers that show multiples of each number inside the number outline.
Why wasn't I taught this process in school
Verbes au présent
infographic definitief nov2014
Breukenposter met procenten.
Taalkundig ontleden poster
Rekenen: lastige tafelsommen - Ik leer in beelden
An alternative method for adding and subtracting fractions with different denominators. I've never seen this before, but very interesting!