Children practice calculating the perimeter of a variety of polygons in this geometry basics worksheet.

Help your child learn how to recognize congruent shapes with this fun worksheet.

On this worksheet, your third-grader will be asked to circle all the right angles they can find in the picture.

This worksheet will introduce your child to the three types of triangles: the equilateral triangle, the isosceles triangle and the scalene triangle.

This resource will help assess your students' mastery of concepts surrounding measurement and time. This worksheet will challenge your third graders with problems on area, perimeter, measurement, and elapsed time problems.