This fact card set is based off an assessment system from my last school district. The product also includes an editable letter to families, which explains fact fluency & how they can help their kids at home. Here are all the levels:Level 1: Addition within 5Level 2: Subtraction within 5Level 3: Addition within 10 Level 4: Subtraction within 10 Level 5: Addition within 20 Level 6: Subtraction within 20Level 7: Multiplication 0s, 1s, 2s, 5s, 10sLevel 8: Multiplication 3s & 4sLevel 9: Mult