Percents, fractions, and decimals

Lessons

• Introduction
  a)

  How to convert percents, fractions, and decimals?

  • percents to fractions to decimals
  • decimals to fractions to percents
  • fractions to percents to decimals
  
  

---

• 1.
  Complete the table below.
  

  Percent	Fraction	Decimal
  a) 145%
  b) 54.8%
  c) $3\frac{2}{5}$%
  d) 0.55%

  a)

  Convert 145% into fraction and decimal
  
  
  b)

  Convert 54.8% into fraction and decimal
  
  
  c)

  Convert $3\frac{2}{5}$% into fraction and decimal
  
  
  d)

  Convert 0.55% into fraction and decimal
  
  

---

• 2.
  Convert each fraction to a decimal and a percent
  a)

  $\frac{1}{25}$
  
  
  b)

  $\frac{61}{200}$
  
  
  c)

  $\frac{5}{4}$
  
  

---

• 3.
  Convert each decimal to percents and fractions
  a)

  0.8
  
  
  b)

  0.014
  
  
  c)

  2.32
  
  

---

• 4.
  Leo only used 42 minutes to finish a one-hour test. What percentage of the test time did he use to finish the test?

---

• 5.
  A miner acquired 5$\frac{1}{3}$ gram of silver in a 200-gram sample of ore.
  
  a)

  What percent of the sample is silver to the nearest hundredth of a percent?
  
  
  b)

  What is the percent as a repeating decimal and as a fraction in lowest terms?
  
  

---