This interactive SMARTboard activity is a set of 40 addition problems (interactive flash cards). Click on the alligator to check your answer. All slides are self checking and linked for easy use. Students can use these all year to sharpen their basic addition facts tp 20. Activity can be used daily in a small group or independent center or anytime you have an extra 10 -15 minutes before lunch, recess, or dismissal. Great way to start your math class with also. Repetition helps strengthen math skills that are necessary for success. Created with Smart Notebook 11. MUST have SMART Notebook software to download and use this lesson.