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Multiply a Teens Number

Multiply a Teens Number. By a Single digit (Unit). What is a Teens Number?. 13 14 15 16 17 18 19. Teens numbers are:. 13 14 15 16 17 18 and 19. What is the same about Teens numbers?. Yes! They all have ONE 10 and a unit. First partition your teens number:. 13 x 6

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Multiply a Teens Number

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  1. Multiply a Teens Number By a Single digit (Unit)

  2. What is a Teens Number? • 13 • 14 • 15 • 16 • 17 • 18 • 19

  3. Teens numbers are: 13 14 15 16 17 18 and 19

  4. What is the same about Teens numbers? • Yes! They all have ONE 10 • and a unit

  5. First partition your teens number: • 13 x 6 • will be • 10 x 6 • and • 3 x 6

  6. Multiply the 10 • 10 x 6 = ? • 60

  7. Now Multiply the Unit • 3 x 6 = ? • 18

  8. Add both answers together: • 10 x 6 = 60 • 3 x 6 = 18 • 60 + 18 = ? • 78!

  9. 13 x 6 = 78

  10. Can you x 15 by 3? • 15 x 3 = ? • 10 x 3 = ? • Yes it’s 30! • 5 x 3 = ? • Yes it’s 15!

  11. Add your 2 answers: • 30 + 15 = ? • = 45

  12. How about 16 x 4? • 16 x 4 = ? • 10 x 4 = ? • 40 • 6 x 4 = ? • 24

  13. Add your 2 answers: • 40 + 24 = ? • = 64

  14. How about 17 x 3 ? • 10 x 3 = • 30 • 7 x 3 = • 21 • 30 + 21 = • 51

  15. Well Done ! • Now you are ready to multiply a teens number by a single digit (unit) • Try these • and …… • Good Luck!

  16. Find the answers: • 14 x 3 = • 17 x 2 = • 18 x 5 = • 16 x 7 = • 15 x 4 = • 13 x 6 = • 19 x 8 =

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