Pre-Algebra Practice Test A

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Questions and Answers

Write 0.20 as a simplified fraction. What is the correct option?

  • 1/5 (correct)
  • 10/50
  • 20/100
  • 5/25

Write 0.7 repeating in simplest form.

7/9

What is the result of dividing 100 by ½?

50

Write 9/25 as a decimal.

<p>0.36</p> Signup and view all the answers

Write 0.44 repeating as a fraction in simplest form.

<p>4/9</p> Signup and view all the answers

Order these numbers from least to greatest: 4/10, 4/5, 0.45, 0.9.

<p>4/10</p> Signup and view all the answers

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Study Notes

Simplifying Fractions

  • 0.20 can be expressed as the simplified fraction 1/5.
  • Common fractions options include 20/100, 10/50, and 5/25, but 1/5 is the simplest form.

Converting Repeating Decimals

  • The repeating decimal 0.7Ì… is equivalent to the fraction 7/9 in simplest form.

Division Operations

  • Dividing 100 by ½ results in 50, showcasing the concept of dividing by a fraction.

Decimal Conversion

  • The fraction 9/25 converts to the decimal 0.36, illustrating how to translate between fraction and decimal systems.

Fractions to Repeating Decimals

  • The repeating decimal 0.44Ì… can be simplified to the fraction 4/9.

Ordering Decimals and Fractions

  • Numbers 4/10, 4/5, 0.45, and 0.9 can be ordered from least to greatest, with 4/10 being the smallest.

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