Expanded Column Method Addition

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How to add up numbers using the expanded column method.

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Expanded Column Method Addition

  1. 1. Addition Using The Expanded Column Method For more maths help & free games related to this, visit: www.makemymathsbetter.com
  2. 2. First, write the numbers in columns. For example; 426 + 138 + H 4 1 T 2 3 U 6 8
  3. 3. First, write the numbers in columns. For example; 426 + 138 + Now add up the hundreds: 400 + 100 = 500 H 4 1 T 2 3 U 6 8 5 0 0
  4. 4. First, write the numbers in columns. For example; 426 + 138 + H 4 1 T 2 3 U 6 8 5 0 0 5 0 Next add up the tens: 20 + 30 = 50
  5. 5. First, write the numbers in columns. For example; 426 + 138 U 6 8 0 0 5 Then add up the units: 6 + 8 = 14 T 2 3 5 + H 4 1 0 1 4
  6. 6. First, write the numbers in columns. For example; 426 + 138 + H 4 1 T 2 3 U 6 8 5 0 0 5 0 1 4 5 6 4 Finally add the 3 partial sums: 500 + 50 + 14 = 564
  7. 7. The sum can also be done by adding the units first, then the tens and finally the hundreds. For example; + H 4 1 T 2 3 U 6 8 1 4
  8. 8. The sum can also be done by adding the units first, then the tens and finally the hundreds. For example; + H 4 1 T 2 3 U 6 8 1 4 5 0
  9. 9. The sum can also be done by adding the units first, then the tens and finally the hundreds. For example; + H 4 1 U 6 8 1 4 5 5 T 2 3 0 0 0
  10. 10. The sum can also be done by adding the units first, then the tens and finally the hundreds. For example; + H 4 1 T 2 3 U 6 8 1 4 5 0 5 0 0 5 6 4
  11. 11. For more help with your maths, try my book: mastering multiplication tables on amazon.com

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