Grade 3 · Number and Operations in Base Ten

CCSS.MATH.CONTENT.3.NBT.A.1

Use place value understanding to round whole numbers to the nearest 10 or 100.

Read this standard on the official Common Core site

Lessons that teach this standard

• Place Value and Rounding Whole Numbers

  What each digit in a number is worth, why every place is ten times the one to its right, how to write a number in expanded form, and how to round to any place.