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Subtraction

Subtraction. By Ella B askerville, Molly Wiggins a nd C hloe H aynes. Number Line – Counting Back. 15. - 3. - 10. 0. 17. 20. 30. 30 – 13 = 17. Number Line – Counting Up. + 100. + 26. + 20. + 2. 178. 200. 300. 326. 180. 326 – 178 = 148. 2 + 20 + 100 + 26 = 148

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Subtraction

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  1. Subtraction By Ella Baskerville, Molly Wiggins and Chloe Haynes

  2. Number Line – Counting Back 15 - 3 - 10 0 17 20 30 30 – 13 = 17

  3. Number Line – Counting Up + 100 + 26 + 20 + 2 178 200 300 326 180 326 – 178 = 148 2 + 20 + 100 + 26 = 148 That’s your answer!

  4. Expanded Column Method + 60 + 3 + 40 + 1 500 - 200 300 + 20 + 2 = 322 563 – 241 = 322

  5. Column Method 536 -456 536 – 456 = 80 80

  6. Thank you for listening and we hope you now know how we subtract at Charlton – on – Otmoor Primary School! Thanks!

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