Minnesota Academic Standards
MN.2.1. Number & Operation
2.1.1. Compare and represent whole numbers up to 1000 with an emphasis on place value and equality.
220.127.116.11. Read, write and represent whole numbers up to 1000. Representations may include numerals, addition, subtraction, multiplication, words, pictures, tally marks, number lines and manipulatives, such as bundles of sticks and base 10 blocks.