How many digits for approximate?
Keywords
"implementació a l’aula"
"bitàcola"
"aproximació"
"males pràctiques"
This week I said to my students “how many digits do you use to approximate non-exact square root?” Almost everyone said 2. Why? They did not know. My opinion it’s because math teachers repeadely told them without any reason… #log #classrroom #badpracticing