Maryland College and Career-Ready Standards
MD.MA.4.NBT. Number and Operations in Base Ten (NBT)
4.NBT.A. Generalize place value understanding for multi-digit whole numbers.
4.NBT.A.1. Major Standard: Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right. For example, recognize that 700÷70 = 10 by applying concepts of place value and division.
4.NBT.A.1.1. Ability to extend knowledge of place value from prior grades (2.NBT.A.1-4, 3.NBT.A.3).
4.NBT.A.1.3. Ability to reason and explain the magnitude of the digits in a number, for example: How is the 8 in the number 685 similar or different to the number 8 in 658.
4.NBT.A.3. Major Standard: Use place value understanding to round multi-digit whole numbers to any place.
4.NBT.A.3.1. This standard requires students to demonstrate the ability to round multi-digit numbers to any place, but goes beyond the procedure of rounding to explain how they rounded.
4.NBT.A.3.2. Ability to use their understanding of place value to reason and explain the answer for a rounding problem.