Estimation 180

Lego towers- roll 2 dice and use unifix blocks to find the total.  Build blocks with two different colour- Use{...}

Have the kids join the boat and the captain asks for some kids to dive into the ocean. Create a{...}

Launch: Watch: https://www.youtube.com/watch?v=szZvBfCk1BU   Discuss placing the item at the same point this way you can see which item is{...}