Texas Essential Knowledge and Skills (TEKS)
TX. 111.4. Grade 2, Adopted 2012.
2.7. Algebraic reasoning. The student applies mathematical process standards to identify and apply number patterns within properties of numbers and operations in order to describe relationships. The student is expected to:
2.7 (B) Use an understanding of place value to determine the number that is 10 or 100 more or less than a given number up to 1,200.