Oklahoma Academic Standards
OK.2.N. Number & Operations (N)
2.N.1. Compare and represent whole numbers up to 1,000 with an emphasis on place value and equality.
2.N.1.1. Read, write, discuss, and represent whole numbers up to 1,000. Representations may include numerals, words, pictures, tally marks, number lines and manipulatives.
2.N.1.3. Use place value to describe whole numbers between 10 and 1,000 in terms of hundreds, tens and ones. Know that 100 is 10 tens, and 1,000 is 10 hundreds.