This engaging lesson on number sense has various activities that give students a chance to understand and manipulate and visualize numbers. The SMARTboard lesson is 50 slides full of number sense activities that can easily be used in numerous mini-lessons.The activities include representing a number with checkers on a ten frame, figuring out a missing part that makes a whole, and more. Number cards up to 10. This lesson also includes a set of 29 PRINTABLE cards that are perfect for small group instruction. Cute, bright graphics are engaging for students. This was developed around the holidays (red and green) but can be used all year long. Created with SMART Notebook 11. PRINTABLE cards are attached as a link to a PDF for easy printing.