Do an activity everyday! This site is AMAZING! Although meant for older kids, you will be inspired; I promise!

http://www.estimation180.com/

Estimation scavenger hunts:

• Find something about the length of your father
• Find something that weighs more than a lego but less than your brother
• Find something around the same size as your hand

Teach pre-school? Have an estimation station! Introduce new items each week!

Example of an estimation station

Links to other estimation activities:

PBS Estimation Exploration

Books for teaching estimation

Estimation games

Estimation lesson plan

Have more suggestions? Include them in the comments below!