Decimal Conversions and Comparisons

The video tutorial explains how to order numbers by converting them into a common format, such as decimals. It covers converting percentages, fractions, and mixed numbers into decimals, and then compares these decimals to order the numbers from smallest to largest. The tutorial emphasizes the ease of using decimals for comparison and provides step-by-step examples for each conversion type.

Why is it important to convert different representations of numbers to a common form?

• To change their original meaning

• To easily compare their values

• To make them look similar

• To make calculations more complex

What is the decimal equivalent of 35.7%?

• 0.0357

• 35.7

• 3.57

• 0.357

How do you convert a percentage to a decimal?

• Move the decimal point two places to the left

• Add 100 to the number

• Multiply by 10

• Move the decimal point two places to the right

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CCSS.7.NS.A.2D

CCSS.8.NS.A.1

What is the first step in converting a fraction to a decimal?

• Multiply the numerator by 10

• Divide the numerator by the denominator

• Subtract the denominator from the numerator

• Add the numerator and denominator

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CCSS.7.NS.A.2D

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What is the decimal form of 13/93?

• 0.138

• 1.38

• 1.138

• 0.0138

How do you convert a mixed number to a decimal?

• Subtract the fraction from the whole number

• Convert the mixed number to an improper fraction and then to a decimal

• Add the whole number to the fraction

• Multiply the whole number by the fraction

What is the decimal equivalent of 1 and 7/68?

• 1.07

• 0.107

• 1.10

• 0.17

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CCSS.5.NBT.A.3B

Which of the following is the smallest number?

• 1.081

• 0.138

• 0.357

• 0.5

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CCSS.5.NBT.A.3B

What is the correct order from smallest to largest for the given numbers?

• 1.10, 1.081, 0.5, 0.357, 0.138

• 0.5, 0.357, 0.138, 1.081, 1.10

• 0.138, 0.357, 0.5, 1.081, 1.10

• 0.357, 0.138, 0.5, 1.081, 1.10

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What should you do if you want more practice with ordering numbers?

• Only practice with percentages

• Skip practice and take the test

• Re-watch the video or look for more examples

• Ignore the video and try random problems

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CCSS.4.NBT.A.2