Adding with regrouping

Intros
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Lessons
  1. Introduction to Base Ten Materials
    Overview of lesson
Examples
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Lessons
  1. Representing Numbers with Blocks
    Show these numbers using base ten blocks
    1. 28
    2. 346
    3. 105
  2. Numbers from Blocks
    What number is this?

    1. Representing Numbers: Tally Marks

    2. Representing Numbers: Tally Marks

    3. Representing Numbers: Tally Marks

    4. Representing Numbers: Tally Marks
  3. Regrouping
    Regroup hundreds as thousands, tens as hundreds and ones as tens
    1. 2 hundreds + 12 ones + 17 ones
    2. 9 hundreds + 14 tens + 15 ones
  4. Representation in Expanded Form (Using numerals and words)
    Write the number in expanded form using numerals and words
    1. 89
    2. 831
    3. 4216
  5. Representation in Expanded Form (Using numerals)
    Write the number in expanded form using numerals
    1. 74
    2. 561
    3. 3183