Having a 100th day celebration? Looking for some math activities to supplement your math lesson? Look no further! Not only can this product be used on the 100th day of school, it can be used any day of the year! Ideas for using these cards based on card games your students probably already know how to play make this resource quick and easy to implement! There are also tips for managing the use of cards to teach math concepts in your classroom. You will get two sets numeral cards that can be used to play a variety of place value games. Bonus: Two estimation activities and a recording sheet are an added bonus to this set!