Math worksheet for calculating the area of right triangles using a grid, with an example and nine practice problems.

A math worksheet titled "Finding the Area of Right Triangles with a Grid" showing nine right triangles on grid paper, each with a right angle indicated, and instructions to calculate the area based on the surrounding rectangle's area. The example shows a triangle with base 5 and height 3, with a surrounding rectangle of area 15, and the triangle's area is half of that, 7.5. The worksheet includes a section for answers.