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Lob: Setting out column addition

Lob: Setting out column addition. Lesson 1. Write these numbers in words E.g. 262 Two hundred and sixty-two. 458. 719. 505. 370. 865. 917. 601. 780. 553. altogether. addition. add. +. more. plus. make. total. sum. Think!

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Lob: Setting out column addition

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  1. Lob: Setting out column addition Lesson 1

  2. Write these numbers in words E.g. 262 Two hundred and sixty-two

  3. 458

  4. 719

  5. 505

  6. 370

  7. 865

  8. 917

  9. 601

  10. 780

  11. 553

  12. altogether addition add + more plus make total sum

  13. Think! What methods do you already know for working out addition problems? 26 + 13 = 39

  14. The number line method 26 + 13 = 39 +10 +3 26 36 39

  15. Partitioning the numbers into hundreds, tens and ones 26 + 13 = 39

  16. Today we are going to look at a new way of recording our working out. 26 + 13 = 39 We will need to use our knowledge of partitioning (exploding the number into Th, H, T, O).

  17. Colour code Tens Ones

  18. Tens Ones Hundreds Colour code

  19. Lesson 2 Lob: Practising column addition

  20. altogether addition add + more plus make total sum

  21. Partition these numbers E.g. 254 = 200 + 50 + 4

  22. 23

  23. 423

  24. 521

  25. 225

  26. 849

  27. 951

  28. 1951

  29. 3862

  30. 4210

  31. 9302

  32. Today we are going to look at a new way of recording our working out. 26 + 13 = 39 We will need to use our knowledge of partitioning (exploding the number into Th, H, T, U).

  33. Tens Ones Hundreds Colour code

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