Number and operations in base ten

1.NBT.B.2

Understand that the two digits of a two-digit number stand for tens and ones.

Practice for this standard

• Place value

  Tens and ones through millions and thousandths, expanded form, and reading numbers out loud correctly.

  • beginner worksheet
  • intermediate worksheet
  • advanced worksheet

Official wording and the full standard: CCSS.MATH.CONTENT.1.NBT.B.2

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