Maths Tic Tac Toe- Thanks to Mike Nelson

https://nrich.maths.org/5576   In the picture below, four whole numbers are being put into the box. Inside the box, a multiplication happens to each{...}

https://docs.google.com/presentation/d/1kpjKRjTkHzL-oRpmZt_5s6HIV103vMSQJR9OUMSEfuQ/edit#slide=id.p1 Maths Puzzles 1- Link on Google Drive{...}

Play snap with a twist. Instead of same number, only snap of the cards are 1 more or 1 less. {...}