Jump to a friend of 10

https://www.youtube.com/watch?v=IQL68GAhoAs The Action of Subtraction Explore: Work in a group of 2: You have to run 20 laps of the{...}

Launch: Draw or have on the board a triangle, a square and a rectangle. What is the odd one out?{...}

https://pbskids.org/peg/games/perfect-10. How many different ways could Peg and Cat make the perfect score of 10? show your answers using unifix.{...}