FREE Easter Google Slides I SPY Math Center. Teach numbers to 20 with the Easter Bunny. Build numeracy skills, counting & cardinality and number recognition. Use the Easter Eggs in this digital game to show the correct quantity by finding the Easter items on each slide and matching them to the correct number on the Easter Basket. Slides increase in difficulty as you move through the deck. Assign all at once or differentiate for students of varying abilities. Great for whole class lessons on t