Adding with regrouping (using base ten blocks)

Adding with regrouping (using base ten blocks)

Lessons

In this lesson, we will learn:

  • Using ones, tens, hundreds and thousands blocks to add
  • Addition with regrouping for 2-, 3-, 4- and 5-digit numbers

Notes:

  • Regrouping 

  • 10 ones can be regrouped into 1 ten:

    Representing Numbers: Tally Marks

    10 tens can be regrouped into 1 hundred:

    Representing Numbers: Tally Marks

    10 hundreds can be regrouped into 1 thousand

    Representing Numbers: Tally Marks
  • 1.
    Representing Numbers with Blocks (Review)
    Show these numbers using blocks
    a)
    286

    b)
    2210


  • 2.
    Regrouping (Review)

    5 hundreds + 12 tens + 12 ones

  • 3.
    Adding 2-digit numbers without Regrouping (Using base ten blocks)
    a)
    13 + 4

    b)
    12 + 23


  • 4.
    Adding 2-digit Numbers with Regrouping (Using base ten blocks)
    a)
    8 + 25

    b)
    28 + 46

    c)
    84 + 78

    d)
    68 + 34


  • 5.
    Adding 3- digit numbers with Regrouping (Using base ten blocks)
    136 + 257

  • 6.
    Adding with Regrouping: Word Problems 
    Jenny is selling juice outside her house. She sold 56 bottles of orange juice, 28 bottles of apple juice and 34 bottles of grape juice. How many bottles in total did she sell?