Percents and Decimals

Percents, Decimals, and Fractions Conversions (activities)

Review from Yesterday

• Percent to decimal--> Move decimal place 2 spaces to the LEFT

• Decimal to Percent-->Move decimal place 2 spaces to the RIGHT

• Fraction to Decimal-->Divide numerator by denominator

• Decimal to Fraction--> Write it the way you say it then reduce

• Percent to Fraction--> Percent over 100 then reduce

• Fraction to Percent--> Change fraction into decimal first then to percent

Open Ended

DO NOW:

If you were asked to arrange 70%, 4/5, 0.82, 3/4, 80%, and 9/10 from least to greatest, what would be your strategy and why?

Multiple Choice

In order to convert a percent to a decimal, you need to move the decimal place two spaces to the _____________

• Left

• Right

• Keep it the way it is

Multiple Choice

Moving the decimal place two spaces the the LEFT is the same thing as

• Multiplying it by 100

• Dividing it by 100

Multiple Choice

Convert 37.5% into a fraction and a decimal

• $$\frac{37.5}{100}$$ and 37.5

• $$\frac{37.5}{100}$$ and 0.375

• $$\frac{75}{200}$$ and 37.5

• $$\frac{75}{50}$$ and 0.375

Multiple Choice

Convert 100% into a fraction and a decimal

• $$\frac{100}{100}$$ and 100.0

• $$\frac{100}{100}$$ and 10.0

• $$\frac{1}{1}$$ and 1.00

• $$\frac{100}{1}$$ and 1.00

Multiple Choice

Convert 110% into a fraction and a decimal

• $$\frac{110}{100}$$ and 110.0

• $$\frac{110}{100}$$ and 10.0

• $$\frac{11}{10}$$ and 1.10

• $$\frac{110}{1}$$ and 1.10

Multiple Choice

Convert 1% into a fraction and a decimal

• $$\frac{1}{100}$$ and 0.01

• $$\frac{1}{100}$$ and 1.00

• $$\frac{1}{10}$$ and 0.1

• $$\frac{1}{10}$$ and 0.01

Open Ended

What do you think  $$\frac{1}{2}$$  % will be as a fraction and decimal?  Explain your reasoning.

Multiple Choice

Which description matches with option A, 25%?

• 1

• 2

• 3

• 4

Multiple Choice

Which description matches with Option B, 50%?

• 2

• 3

• 4

• 5

Multiple Choice

Which description matches with Option C, 30%?

• 2

• 4

• 5

• 6

Multiple Choice

Which description matches with Option D, 1%?

• 5

• 6

• 7

• 8

Multiple Choice

Which description matches with Option E, 10%?

• 2

• 5

• 6

• 8

Multiple Choice

Which description matches with Option F, 100%?

• 2

• 5

• 6

Multiple Choice

Which description matches with Option G, 300%?

• 2

• 6