Grade 2 · Number and Operations in Base Ten

CCSS.MATH.CONTENT.2.NBT.A.1

Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:

Read this standard on the official Common Core site

Lessons that teach this standard

• Hundreds, Tens and Ones: Place Value to 1,000

  Second grade place value: see a hundred as ten tens, read three-digit numbers as hundreds, tens and ones, write them in words and expanded form, and compare them.