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# Multiplying Decimals (3 Digit by 1 Digit)

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### Transcript

• 1. For more maths help & free games related to this, visit: www.makemymathsbetter.com
• 2. For example 3.97 x 6
• 3. For example 3.97 x 6 Set the question out like this:
• 4. For example 3.97 x 6 Set the question out like this: T U . t h 3 . 9 7 X 6 2 9 .8 2
• 5. Always make sure that the decimal points are lined up correctly T U . t h 3 . 9 7 X 6 2 9 .8 2
• 6. Always make sure that the decimal points are lined up correctly T U . t h 3 . 9 7 X 6 2 9 .8 2
• 7. Then multiply the number in the hundredths column (7) T U . t h 3 . 9 7 X 6 2 9 .8 2
• 8. Then multiply the number in the hundredths column (7) by 6 T U . t h 3 . 9 7 X 6 2 9 .8 2
• 9. 7x6= T U . t h 3 . 9 7 X 6 2 9 .8 2
• 10. 7 x 6 = 42 T U . t h 3 . 9 7 X 6 2 9 .8 2
• 11. 7 x 6 = 42 The 2 is placed in the answer bar, in the hundredths column T U . t h 3 . 9 7 X 6 2 9 .8 2
• 12. 7 x 6 = 42 The 2 is placed in the answer bar, in the hundredths column T U . t h 3 . 9 7 X 6 2 9 .8 2
• 13. 7 x 6 = 42 The 4 is placed under the answer bar, under the tenths column T U . t h 3 . 9 7 X 6 2 9 .8 2
• 14. 7 x 6 = 42 The 4 is placed under the answer bar, under the tenths column T U . t h 3 . 9 7 X 6 2 9 .8 4 2
• 15. Next, multiply the number in the tenths column (9) T U . t h 3 . 9 7 X 6 2 9 .8 4 2
• 16. Next, multiply the number in the tenths column (9) by 6 T U . t h 3 . 9 7 X 6 2 9 . 8 2 4
• 17. 9x6= T U . t h 3 . 9 7 X 6 2 9 . 8 2 4
• 18. 9 x 6 = 54 T U . t h 3 . 9 7 X 6 2 9 . 8 2 4
• 19. 9 x 6 = 54 This is added to the 4 from under the tenths column T U . t h 3 . 9 7 X 6 2 9 . 8 2 4
• 20. 54 + 4 = 58 T U . t h 3 . 9 7 X 6 2 9 . 8 2 4
• 21. 54 + 4 = 58 The 8 is put in the tenths column T U . t h 3 . 9 7 X 6 2 9 . 8 2 4
• 22. 54 + 4 = 58 The 5 is placed under the answer bar, under the units column T U . t h 3 . 9 7 X 6 2 9 . 8 2 5 4
• 23. Now, multiply the number in the units column (3) T U . t h 3 . 9 7 X 6 2 9 . 8 2 5 4
• 24. Now, multiply the number in the units column (3) by 6 T U . t h 3 . 9 7 X 6 2 9 . 8 2 5 4
• 25. 3 x 6 = 18 T U . t h 3 . 9 7 X 6 2 9 . 8 2 5 4
• 26. 3 x 6 = 18 This is added to the 5 from under the units column T U . t h 3 . 9 7 X 6 2 9 . 8 2 5 4
• 27. 18 + 5 = 23 T U . t h 3 . 9 7 X 6 2 3 . 8 2 5 4
• 28. 18 + 5 = 23 The 3 is placed in the units column T U . t h 3 . 9 7 X 6 2 9 . 8 2 5 4
• 29. 18 + 5 = 23 The 3 is placed in the units column T U . t h 3 . 9 7 X 6 2 3 . 8 2 5 4
• 30. 18 + 5 = 23 The 2 is placed in the tens column T U . t h 3 . 9 7 X 6 2 3 . 8 2 5 4
• 31. 18 + 5 = 23 The 2 is placed in the tens column T U . t h 3 . 9 7 X 6 2 3 . 8 2 5 4
• 32. 3.97 x 6 = 23.82 T U . t h 3 . 9 7 X 6 2 3 . 8 2 5 4
• 33. That’s it for now...... For more help with your maths, try my book: mastering multiplication tables on amazon.com 5