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Double Digit Multiplication

Double Digit Multiplication. Click on preferred strategy Lattice Method Shortcut Method. Lattice Method 58 X 34. 8. Lattice Method. x. 5. 3. 4. 8. Lattice Method. x. 5. 1. 3. 5. 4. Lattice Method. 8. x. 5. 2. 1. 3. 4. 5. 4. Lattice Method. 8. x. 5. 2. 1. 3. 4.

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Double Digit Multiplication

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  1. Double Digit Multiplication Click on preferred strategy Lattice Method Shortcut Method

  2. Lattice Method58 X 34

  3. 8 Lattice Method x 5 3 4

  4. 8 Lattice Method x 5 1 3 5 4

  5. Lattice Method 8 x 5 2 1 3 4 5 4

  6. Lattice Method 8 x 5 2 1 3 4 5 2 4 0

  7. Lattice Method 8 x 5 2 1 3 4 5 3 2 4 0 2

  8. Lattice Method 8 x 5 2 1 3 + 1 4 5 + + 3 2 4 + 2 9 0 7 2

  9. 58 x 34 = 1,972 8 x 5 2 1 3 1 4 5 3 2 4 2 9 0 7 2

  10. Let’s Try it Again! This time we will have to carry when we are adding in the end. Pay careful attention.

  11. Lattice Method87 X 69

  12. Lattice Method 7 x 8 6 9

  13. Lattice Method 7 x 8 4 6 8 9

  14. Lattice Method 7 x 8 4 4 6 2 8 9

  15. Lattice Method 7 x 8 4 4 6 2 8 7 9 2

  16. Lattice Method 7 x 8 4 4 6 2 8 6 7 9 2 3

  17. Lattice Method 7 x 8 You must carry your “2” to the above section. 4 4 + 6 + 6 2 You must carry your “1” to the above section. 8 + + + 6 7 9 + 3 2 0 2 1 0 3

  18. 87 x 69 = 6,003 7 x 8 4 4 6 6 2 8 6 7 9 3 0 2 0 3

  19. Shortcut Method Carry the “5”. 6 8 x 4 7 5 6 =

  20. Shortcut Method Add the “5”. 5 / 6 8 x 4 7 6 4 2 = 4 7 =

  21. Shortcut Method / 5 6 8 x 4 7 4 7 6 Always place a “0” here to hold the tens place. 0

  22. Shortcut Method / Carry the “3”. 5 6 8 x 4 7 3 2 = 4 7 6 0

  23. Shortcut Method 3 / Add the “3”. 5 6 8 x 4 7 2 4 = 4 7 6 2 0 = 2 7

  24. Shortcut Method 3 / 5 6 8 x 4 7 4 7 6 + 2 7 2 0 Draw a line. Then add 6

  25. Shortcut Method 3 / 5 6 8 x 4 7 4 7 6 + 2 7 2 0 6 9

  26. Shortcut Method 3 / 5 6 8 x 4 7 Carry the “1”. 4 7 6 + 2 7 2 0 1 1 9 6

  27. Shortcut Method 3 / 5 6 8 x 4 7 4 7 6 1 + 2 7 2 0 1 9 6 3

  28. Shortcut Method 6 8 x 4 7 3 9 6 = 1

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