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Finding the Area of Triangles Worksheet

Four triangle diagrams pair labeled base and height measurements with the one-half-base-times-height formula for calculating area in the stated square units.
Grades
Grades 2–5, Elementary
File type
PDF
Preparation
Print ready

Updated Jul 25, 2021

Subject
Math, Geometry
Topic
Area, finding the area of a triangle worksheet
Resource types
Worksheets & Printables, Worksheets
Preparation
Print ready

About this resource

What's inside this resource

This Finding the Area of Triangles Worksheet is a great resource for teachers who want to help their students find the area of triangles. This worksheet uses formulas and dimensions to find the area of triangles, and is a great way for students to practice their skills.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Identify the base and corresponding height in a triangle diagram

  • Use one half times base times height to calculate four areas

  • Label an area with the square unit indicated by its measurements

Teaching tips

  • Ask learners to mark the base and its perpendicular height before multiplying.

  • Check that every written area uses a squared unit rather than a linear unit. Extend the practice beyond triangles with this mixed-shape area worksheet.

Skills covered

  • Formula substitution — learners place diagram measurements into the area rule

  • Triangle measurement — learners distinguish height from another side length

  • Unit notation — learners express each result in square units

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