Estimation 180

Class photo of crazy hair day. Pose a question- Did you have coloured hair.  Have a yes no table. Come{...}

Launch: Mr Bear wants to share his marshmallows between his friends, How many friends could he have to his party{...}

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.{...}