This is a product I've used with my firsties for years! They absolutely love it!How it works:Students are given fact tests and first earn a zoo. Then they can earn animals to add into their zoo! The order of the quizzes are: +0, +1, +2, +10, +9, doubles, near doubles, facts to make 10, and left over facts. This is the order that I learned from a numeracy training on the best order to teach them facts.Included in this resource:Practice Sheets- with a fun rhyme to remember the strategy for eac