| Grade | Required Fluency |
K | Add and subtract within five | 1 | Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. | 2 | Add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers. Add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. | 3 | Multiply and divide within 100. By the end of Grade 3, know from memory all products of two one-digit numbers. Add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction. | 4 | Add and subtract multi-digit whole numbers | 5 | Multiply multi-digit whole numbers |