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Multiply a Teens Number
By a Single digit (Unit)
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What is a Teens Number? 13 14 15 16 17 18 19
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Teens numbers are: and 19
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What is the same about Teens numbers?
Yes! They all have ONE 10 and a unit
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First partition your teens number:
13 x 6 will be 10 x 6 and 3 x 6
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Multiply the 10 10 x 6 = ? 60
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Now Multiply the Unit 3 x 6 = ? 18
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Add both answers together:
10 x 6 = 60 3 x 6 = 18 = ? 78!
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13 x 6 = 78
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Can you x 15 by 3? 15 x 3 = ? 10 x 3 = ? Yes it’s 30! 5 x 3 = ? Yes it’s 15!
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Add your 2 answers: = ? = 45
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How about 16 x 4? 16 x 4 = ? 10 x 4 = ? 40 6 x 4 = ? 24
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Add your 2 answers: = ? = 64
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How about 17 x 3 ? 10 x 3 = 30 7 x 3 = 21 = 51
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Well Done ! Now you are ready to multiply a teens number by a single digit (unit) Try these and …… Good Luck!
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Find the answers: 14 x 3 = 17 x 2 = 18 x 5 = 16 x 7 = 15 x 4 =
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