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• Tens & Ones

  Grade 11.NBT.B.2

  Understand that the two digits of a two-digit number represent amounts of tens and ones.

• Hundreds, Tens & Ones

  Grade 22.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.

• 10 More, 10 Less

  Grade 11.NBT.C.5

  Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

• Expanded Form

  Grade 22.NBT.A.3

  Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.