Estimating Area by Counting Square Units

Help your child learn how to find area on grids with this free printable 3rd grade math worksheet! Students will estimate the area of irregular shapes by counting square units. Think of it as a visual form of rounding: does a partially shaded square count? We hope the students can learn to distinguish visually when to round up or down. Ideal for classroom lessons or extra practice at home, this engaging worksheet builds key geometry and measurement skills in a fun, hands-on way.

In cases you missed it, here is a simpler exercise for finding exact area of shapes.

This worksheet is aligned with VA SOL standards 3.MG.2(a).