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Multiply by Powers of Ten




Videos, stories and songs to help Grade 5 students learn how to multiply and divide by powers of ten.

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Multiply by Powers of Ten Worksheets

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When we multiply a number by a positive power of 10, we move the decimal point of the number to the right.
When we multiply a number by a negative power of 10, we move the decimal point of the number to the left.
The number of places to move would be equal to the index of 10.
Example:
3 × 104 = 30,000
3 × 10-4 = 0.0003

Multiplying powers of 10
How to multiply power of 10.


Multiplying by Powers of Ten
This video explains how to multiply whole numbers and decimals by powers of ten.



 

Explaining patterns in zeros and decimals when multiplying and dividing by powers of 10

In this lesson you will learn to multiply whole numbers and decimals by powers of ten by using your understanding of place value.


Multiply Decimals by 10 and its Powers
Learn to multiply decimals by 10 and its powers.



 

Multiply Decimals by Multiples of 10
Learn to multiply decimals by multiples of 10.


Multiplying a Decimal by a Power of 10
A single postage stamp costs $0.44. How much would a roll of 1,000 stamps cost?



 

Multiply & Divide by Powers of Ten
MR - Multiply > Right
DL - Divide < Left

Multiply by Powers of 10
In this lesson, you will learn how to multiply numbers by powers of 10. We will learn that multiplying by a power of 10 simply moves the decimal point and allows the student to multiply very rapidly by large numbers.



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