Curriculum / Math / 7th Grade / Unit 5: Percent and Scaling / Lesson 18

Percent and Scaling

Lesson 18

Math

Unit 5

7th Grade

Lesson 18 of 19

Objective

Draw scale drawings at different scales.

Lesson Map

Topic A: Percent, Part, and Whole

Lesson

Define percent and convert between fractions, decimals, and percentages. Solve percent problems mentally with benchmark percentages.

Standards

7.RP.A.3

Lesson

Find percent of a number when given percent and the whole.

Standards

7.NS.A.37.RP.A.3

Lesson

Find the whole given a part and percent.

Standards

7.NS.A.37.RP.A.3

Lesson

Find the percent given a part and the whole.

Standards

7.NS.A.37.RP.A.3

Topic B: Percent Increase and Decrease

Lesson

Find a new amount given the original and a percent increase or decrease.

Standards

7.EE.A.27.RP.A.3

Lesson

Find the original amount given a new amount after a given percent increase or decrease.

Standards

7.EE.A.27.RP.A.3

Lesson

Find the percent of increase or decrease given the original and new amounts.

Standards

7.RP.A.3

Lesson

Solve percent problems fluently, including percent increase and decrease.

Standards

7.EE.A.27.RP.A.3

Topic C: Percent Applications

Lesson

Solve percent applications involving discount, tax, and tip.

Standards

7.EE.B.37.RP.A.3

Lesson

Solve percent applications involving simple interest, commissions, and other fees.

Standards

7.EE.B.37.RP.A.3

Lesson

Solve percent applications involving measurement and percent error.

Standards

7.EE.B.37.RP.A.3

Topic D: Scale Drawings

Lesson

Define and identify scale images.

Standards

7.G.A.1

Lesson

Define and determine scale factor between two scale images. Use scale factor to draw scale images.

Standards

7.G.A.17.RP.A.3

Lesson

Use a scale to determine actual measurements.

Standards

7.G.A.17.RP.A.3

Lesson

Use scales in maps to find actual distances between locations.

Standards

7.G.A.17.RP.A.3

Lesson

Use scales in floor plans to find actual measurements and dimensions.

Standards

7.G.A.17.RP.A.3

Lesson

Compute actual areas from scale drawings.

Standards

7.G.A.17.RP.A.3

Lesson

Draw scale drawings at different scales.

Standards

7.G.A.17.RP.A.3

Lesson

Create a scale floor plan (optional).

Standards

7.G.A.17.RP.A.3

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Percent and Scaling

Objective

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