Finding Base, Length or Height of a Trapezoid Worksheets

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Who said identifying unknown measures in geometric shapes is a tedious process? Use our printable finding the missing base, length and height of trapezoids from area worksheets and let kids streak ahead in the race to find the unknown dimensions in each problem. Children are required to find the missing altitude (height) or one of the parallel sides (base) here. All dimensions are represented using integers or decimals. These pdf practice resources, equipped with answer keys, are available in both customary and metric units.

We recommend these free worksheets for grade 7 and grade 8 students.

CCSS: 7.G

Select the Measurement Units

Integers | Worksheet #1

Find the unknown measure using the two values and the area given in the geometric figures. Since the area of a trapezoid = (sum of parallel sides)/2 x height, substitute the values correctly to determine the unspecified dimension.

Integers | Worksheet #1

Integers | Worksheet #2

This printable worksheet has the missing dimensions given as integers. Train students in 7th grade and 8th grade to correctly use the given measurements and determine the value of the unknown side or height in each exercise.

Integers | Worksheet #2

Decimals | Worksheet #1

Get a sense of how sound your calculation skills are by solving this finding the missing base length and height of trapezoids from area worksheet. A generous dose of learning and assessment, this tool is going to be super-cool!

Decimals | Worksheet #1

Decimals | Worksheet #2

This free pdf resource will revitalize the practice drive of grade 7 and grade 8 students! Substitute the base(s) and/or height measures given as decimals in the formula and obtain the missing measure. You can't afford to miss this!

Decimals | Worksheet #2