Area of triangles worksheets

Triangle area worksheets for sixth grade label each triangle with its base and a dashed height. Your child multiplies base times height and then takes half, because a triangle fills exactly half its box.

By grade

What students need to know

A triangle is half its box: multiply base times height, then cut the answer in half.

This skill runs from 6th grade through 6th grade. Pick a grade above for level-matched sentences, teaching notes, and worksheets.

Area of triangles across the grades

6th grade

Triangle area worksheets for sixth grade label each triangle with its base and a dashed height. Your child multiplies base times height and then takes half, because a triangle fills exactly half its box.

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