Ratios - Rates, Ratios, and Proportions

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Ratios

What are two-term and three term ratios? After watching this lesson, you will be able to answer this question by writing ratios in the lowest terms as well as in fraction and percent form. Practice your understanding by doing some real-life word questions too.

Lessons

Notes:

In this lesson, we will learn:

  • Ratios With Decimals
  • Ratios With Fractions
  • Ratios in Different Units
  • Application of Ratios

  • A ratio should always be in its simplest/most reduced form (no common factors).
  • The values in a ratio should always be integers if possible.
  • A ratio can be scaled up/down by multiplying/dividing the ratio numbers by the same value. This process is called scaling, and the value used for scaling is called the scale factor.
  • 1.
    Write the following ratios using ratio notation in lowest terms.
  • 2.
    Write the following ratios in fraction form in lowest terms.
  • 3.
    The following table shows the sugar and flour needed for different kinds of bakery.

    Bakery

    Sugar (g)

    Flour (g)

    Cake

    40

    120

    Cookie

    20

    60

    bread

    30

    450

  • 4.
    Ratios With Decimals

    Simplify the following ratios.

  • 5.
    Ratios With Fractions

    Simplify the following ratios.

  • 6.
    Ratios in Different Units

    Simplify the following ratios.

Teacher pug

Ratios

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