Flashcards for:
Multiply and Divide by Powers of 10
Where can you find practice problems and printable worksheets for Powers of 10?
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You can find practice problems and printable worksheets on the website mathantics.com.
What is the basis of our number system?
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Our number system is based on Powers of 10, such as 1, 10, 100, 1000, 10,000, and so on.
How can you multiply by Powers of 10 easily?
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You can multiply by Powers of 10 easily by shifting the number places to the right, and the number of places you shift is the number of zeros in the Power of 10.
What happens when you multiply the number 5 by 10?
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When you multiply the number 5 by 10, you get 50.
What pattern is observed when multiplying numbers by Powers of 10?
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The pattern observed is that the numbers are the digit with different numbers of zeros added after them, corresponding to the number of zeros in the Power of 10 used.
How do you multiply a multi-digit number by a Power of 10?
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To multiply a multi-digit number by a Power of 10, you stick the number of zeros in the Power of 10 onto the right of the number.
What issue arises when multiplying a decimal number with zeros?
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When multiplying a decimal number by sticking zeros onto the right, it does not change the value of the decimal number if you don't shift the digits.
How do you properly multiply a decimal number by a Power of 10?
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To multiply a decimal number by a Power of 10, shift the decimal point to the right by the number of zeros in the Power of 10.
What happens to the decimal point when its position is shifted past the digits?
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When the decimal point is shifted past the digits, fill the missing number places with zeros to properly represent the number.
How do you divide by Powers of 10?
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To divide by Powers of 10, you shift the decimal point to the left by the number of zeros in the Power of 10.
What do you need to remember when dividing by Powers of 10 on whole numbers?
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Remember that the decimal point is usually to the right of the ones place and may not be shown in whole numbers.
What should be done when the decimal point is shifted past the digits in division?
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When the decimal point is shifted past the digits in division, fill the empty spaces with zeros and trim any ending zeros that are unnecessary.
What is the result of 800 divided by 10?
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The result of 800 divided by 10 is 80.
How do you divide 410 by 10,000?
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To divide 410 by 10,000, shift the decimal point 4 places to the left, resulting in 0.041.
How do you remember the direction of shifting for multiplication and division?
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For multiplication, shift the decimal point to the right, and for division, shift it to the left, by the number of zeros in the Power of 10.
Why is it important to practice math operations with Powers of 10?
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It is important to practice math operations with Powers of 10 to become proficient and confident in performing these calculations.
Where can you find practice problems and printable worksheets for Powers of 10?
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You can find practice problems and printable worksheets on the website mathantics.com.
What is the basis of our number system?
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Our number system is based on Powers of 10, such as 1, 10, 100, 1000, 10,000, and so on.