Student Learning Map

  • Topic:Comparing and Scaling- Ratio, Proportion, and Percents
  • Subject(s):Math
  • Days:20
  • Grade(s):7
Key Learning:

Ratio, proportion, percents, differences, and scales can be used to make quantitative comparisons.

Unit Essential Question(s):
 
 

How do you use ratios, proportions, percents, differences, and scales to make comparisons?

   
Concept:

Comparisons

Concept:

Percent Comparisons

Concept:

Ratios Comparisons

Vocabulary:

Vocabulary:

Concept:

Rates and Unit Rates

Concept:
Concept: ___OBJECTIVES___6___
Lesson Essential Question(s):

(A)

Lesson Essential Question(s):
Vocabulary:

Rate, Unit Rate

Vocabulary:

Vocabulary:

Additional Info:

Labsheets

Counting Chips

Survey Samples

Grid Paper

Transparencies

Graphing Calculators

Markers

Resources:

Vocabulary Report

  • Proportion -

    An equation stating the two ratios are equal. A comparison of two quantities.

  • Rate -

    A comparison of the measurements of two different units or objects. A rate can be thought of as direct comparison of two sets or as an average amount.

  • Ratio -

    A ratio is a comparison of two quantities that tells the scale between them. Ratios may be expressed as quotients, fractions, decimals, percents, or given in the forms a:b or a to b..

  • Unit Rate -

    A unit rate compares an amount o a single unit. Unit rates are often found by scaling other rates.

  • Scale (Scaling) -

    The scale is the number a ratio is multiplied by to find an equivalent ratio. Scaling a ratio produces any number of equivalent ratios, which all have the same units and the same average distribution.