Converting among ratios, fractions and decimals - Rates, Ratios, and Proportions

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Converting among ratios, fractions and decimals

Lessons

Notes:
In this lesson, we will learn:
  • Converting Ratios to Fractional and Decimal Forms
  • Part-to-part Vs. Part-to-whole Ratios
  • Use of Fractional Ratios
  • Comparing Ratios
  • Application of Comparing Ratios
  • Application of Ratios – Tips
  • Application of Ratios – Similar Triangles

Notes:
  • A ratio in the form of a:ba:b can be written in fractional form ab\frac{a}{b}, which can be further converted to decimals by solving a÷b.
  • 1.
    Converting Ratios to Fractional and Decimal Forms

    A questionnaire shows that the ratio of iPhone to Samsung users is 4:5.

  • 2.
    Part-to-part Vs. Part-to-whole Ratios

    Dennis drew a picture using only 14 circles and 12 triangles.

  • 4.
    Comparing Ratios

    Find the value of x for the following ratios.

Teacher pug

Converting among ratios, fractions and decimals

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