This lesson plan (PDF file) helps teachers lead their students into starting proving math facts. It brings two printable sheets that are to be used by the students to order a proof.
This activity is supposed to be carried out in groups. First,
This is a trilingual Tic-Tac-Toe(English/Spanish/Portuguese). It’s played the same way as the usual “X” against “O”, the difference is that one will play “Odd Numbers” against “Even Numbers” (from 0 to 9). There is a twist though: if a player starts