Multiply Multiples of 10 3-106

Multiply 1-digit numbers and multiples of 10. What's 2x60? Since 60 is 6 tens, 2x60 = 2x6 tens = 12 tens = 10 tens+2 tens = 100+20 = 120. What's 3x50? Since 50 is 5 tens, 3x50 = 3 x 5 tens = 15 tens = 10 tens + 5 tens = 100+50 = 150. Think of multiples of 10 in units of 10. What's 4x70? 70 is 7 tens, so 4x70 = 28 tens = 280.

 
 

1. Learn

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Multiply 1-digit numbers and multiples of 10. What's 2x60? Since 60 is 6 tens, 2x60 = 2x6 tens = 12 tens = 10 tens+2 tens = 100+20 = 120. What's 3x50? Since 50 is 5 tens, 3x50 = 3 x 5 tens = 15 tens = 10 tens + 5 tens = 100+50 = 150. Think of multiples of 10 in units of 10. What's 4x70? 70 is 7 tens, so 4x70 = 28 tens = 280.

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2. Practice

Lesson
3-106
Lesson
3-106
Lesson
3-106
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3. Apply

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3-106
POD
3-106
POD
3-106
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