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Long Multiplication

Long Multiplication. The way your parents would have done it!. Ó ORB Education. Visit http://www.orbeducation.com for a range of quality teaching materials. Long Multiplication. The first example we will look at is … 34 × 76. Long Multiplication.

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Long Multiplication

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  1. Long Multiplication The way your parents would have done it! Ó ORB Education. Visit http://www.orbeducation.com for a range of quality teaching materials.

  2. Long Multiplication • The first example we will look at is … 34 × 76

  3. Long Multiplication • We begin long multiplication by putting in any zeros that are required. • Our second number is between 10 and 100… • It contains 7 lots of ten, but no hundreds.

  4. Long Multiplication • In this case we only need one 0. • It is placed on the second line.

  5. Long Multiplication • In this case we only need one 0. • It is placed on the second line.

  6. Long Multiplication Missing pages

  7. Long Multiplication • 6  4 = 24 • The 4 goes below the 6. • The 2 is carried.

  8. Long Multiplication • 6  4 = 24 • The 4 goes below the 6. • The 2 is carried.

  9. Long Multiplication Missing pages

  10. Long Multiplication • 4 + 0 = ? • All that’s left to do is to add together the two parts of the answer.

  11. Long Multiplication • 4 + 0 = ? • All that’s left to do is to add together the two parts of the answer.

  12. Long Multiplication • 4 + 0 = 4 • All that’s left to do is to add together the two parts of the answer.

  13. Long Multiplication Missing pages

  14. Long Multiplication 2584 • The answer….

  15. Long Multiplication • Here is a bigger example. • 123  456

  16. Long Multiplication • It contains units, tens and hundreds. • Again, we begin long multiplication by putting in any zeros that are required. • This time our second number is between 100 and 1000…

  17. Long Multiplication • We must also add 2 zeros to the third line (for the hundreds). • In this case we need to add one 0 to the second line (for the tens).

  18. Long Multiplication • Like that!

  19. Long Multiplication • We start by multiplying the 6 by the 123.

  20. Long Multiplication • 6 x 3 = ?

  21. Long Multiplication Missing pages

  22. Long Multiplication • 0 + 6 + 9 = ? • 0 + 6 + 9 = 15 • Add the 1. • 15 + 1 = 16 • Write in the 6, and carry the 1.

  23. Long Multiplication • 0 + 0 + 4 = ? • 0 + 0 + 4 = 4 • Add the 1. • 4 + 1 = 5 • Write in the 5.

  24. Long Multiplication

  25. Long Multiplication 56088 • And the answer is …

  26. Long Multiplication By S. Howarth • ORB Education Visit http://www.orbeducation.com for a range of quality teaching materials.

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