An Wilkie Way activity for understanding the structure and uses of a base ten number system set in a meaningful and fun context. Includes teacher notes and trains and carriages to copy - as many as you need.
Activities to assist students to:
Build knowledge of 2 digit numbers as groups of ten and groups of one
Be able to add and subtract ten from any two digit number
Be able to add a single digit to a two digit number bridging the decade without counting
Be able to subtract a single digit from a two digit number crossing the decade without counting backwards.