Scale and Indirect Measurements


Walks through the steps of finding actual distance using scales.

Grades 6 through 7 Material from CK-12

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Standards

6.RP.A.3

Use ratio and rate reasoning to solve real?world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

7.G.A.1

Solve problems involving scale drawings of geometric figures, such as computing actual lengths and areas from a scale drawing and reproducing a scale drawing at a different scale.

7.RP.A.2.B

Recognize and represent proportional relationships between quantities.

HSG.SRT.A.2

HSG.SRT.B.4

HSN.Q.A.1

7.RP.A.3

Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error