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Ratio and Scale Factor of Perimeters and Areas Worksheets

Comprehend how the scale factor impacts side lengths, perimeters and areas of similar shapes with this gamut of scale factor worksheets. Also, learn to find the ratio of areas and perimeters of similar polygons. The worksheets are available in both customary and metric units. Recommended for grade 7 and grade 8 children.

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Relation between scale factors and ratios

Compare the similar figures and answer the series of questions that follow. Find the area, perimeter and scale factor, understand the influence of scale factor on ratio of areas and perimeters as well.

Area and perimeter - Table form

Packed in these worksheets are tables with missing parameters. Complete them by determining the ratio and perimeter in Table A, ratio and area in Table B; based on the provided scale factor.

Ratios - Area and Perimeter

Reiterate the concept of scale factor by applying it to solve word problems. Compute the area and perimeter of similar triangles and similar polygons.

Perimeter of similar figures

Categorized into two levels, the worksheets feature exercises to calculate the perimeter of the original or scaled image applying the given scale factor in Level 1, while the side length assists in finding the perimeter in Level 2.

Two levels of difficulty with 3 worksheets each

Area of similar figures

Specifically dealing with determining the area of similar shapes, using the given scale factor in level 1 and side length in Level 2, the problems can be easily solved by applying the area of similar polygons theorem.

Two levels of difficulty with 3 worksheets each

Perimeter and area of similar figures

Structured into two levels, the PDFs consist of simple word problems to figure out the area or perimeter of the original or dilated image and the impact of scale factor on the ratio of areas and perimeters.

Two levels of difficulty with 3 worksheets each

Missing sides of similar figures

Determine the missing sides of similar triangles or similar polygons using the information provided. Few problems are offered in the word format.

The whole batch of worksheets on scale factor of areas and perimeters can be downloaded instantly.