In this video, Mr. J explains how to divide by mixed decimals, which include both whole numbers and decimal digits. The tutorial covers setting up division problems, converting divisors to whole numbers by multiplying by powers of 10, and performing the division process. Two examples are provided: dividing 3.22 by 1.4 and 46.5 by 6.2, demonstrating the steps of dividing, multiplying, subtracting, and bringing down numbers to reach the final answer.

Why is it important to understand how to work with decimals in math?

• Decimals are only used in advanced math.

• Decimals are only important for engineers.

• Understanding decimals is beneficial for all levels of math and real-life situations.

• Decimals are not used in real life.

What is the first step in setting up a division problem with mixed decimals?

• Multiply both numbers by 100.

• Ignore the decimals and divide directly.

• Set up the division problem with the dividend under the division bar and the divisor outside.

• Convert the dividend to a whole number.

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CCSS.5.NBT.B.6

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How do you make the divisor a whole number in a division problem involving decimals?

• Divide the divisor by 10.

• Add 1 to the divisor.

• Subtract the decimal part from the divisor.

• Multiply the divisor by a power of 10 to shift the decimal.

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CCSS.5.NBT.B.6

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What should you do after making the divisor a whole number?

• Subtract the same power of 10 from the dividend.

• Add a decimal to the dividend.

• Divide the dividend by 10.

• Multiply the dividend by the same power of 10.

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CCSS.6.NS.B.3

In the first example, what is the final answer for 3.22 divided by 1.4?

• 2.4

• 2.3

• 3.2

• 1.4

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CCSS.4.NBT.B.5

When estimating how many times 62 fits into 465, what is a good starting point?

• 62 times 1

• 62 times 10

• 62 times 5

• 62 times 2

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CCSS.5.NBT.B.6

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What is the purpose of placing a decimal in the dividend during the division process?

• To make the problem more complex.

• To ensure the answer remains in decimal form.

• To change the value of the dividend.

• To simplify the division process.

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CCSS.6.NS.B.3

In the second example, what is the final answer for 46.5 divided by 6.2?

• 7.5

• 5.5

• 6.5

• 8.5

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Why is it important to keep the answer in decimal form when working with decimals?

• Decimals are easier to read.

• Decimals are more accurate.

• Decimals are only used in school.

• Decimals are required for all math problems.

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CCSS.5.NBT.B.6

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What is the final step in the division process with decimals?

• Convert the answer to a fraction.

• Multiply the answer by 10.

• Add a remainder to the answer.

• Ensure there is a clean cut zero at the end.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2