3rd Grade Math Practice Tests, Mystery Codes, and Math Test Prep Games - Includes 8 digital test packets with a total of 208 practice questions and answers, and 3 quiz style math games with a total of 75 game questions and answers. The tests can also be used as simple test prep, or as math mystery games. Students must solve the math problems to discover the secret mystery codes!The practice tests are completely printable, but Google links are also provided for use in Google™ Classroom for rem