Grade 2 · Number and Operations in Base Ten

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

The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).

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.