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3rd Grade Geometry Worksheets

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3rd Grade Geometry Worksheets

47 resources

Worksheet
Worksheet3rd GradeFinding Different Shapes Area Worksheet

A Finding Different Shapes Area Worksheet where 3rd graders find the area of rectangles, squares, and composite shapes in square units. Answer key included—great for no-prep area practice.

Worksheet
Worksheet3rd GradeFinding the Area of Grid Shapes Worksheet

This 3rd grade Finding the Area of Grid Shapes Worksheet has students count unit squares to find the area of rectangles and L-shapes. Answer key included.

Worksheet
Worksheet3rd GradeFinding Shape Perimeter Worksheet

A 3rd grade finding shape perimeter worksheet where students add the side lengths of rectangles, squares, and triangles to find each shape’s perimeter. Includes a complete answer key for quick, no-prep geometry practice.

Worksheet
Worksheet3rd GradeFinding Area of Irregular Shapes Worksheet

A count-the-squares finding area of irregular shapes worksheet that helps 3rd graders measure area by counting unit squares on six grid figures. Answer key included, perfect for no-prep area practice at home or school.

Worksheet
Worksheet3rd GradeFinding the Area by Multiplying Worksheet

This Finding the Area by Multiplying Worksheet gives 3rd graders six labeled rectangles on a unit grid to practice finding area by multiplying length by width. An answer key is included for easy, no-prep geometry practice.

Worksheet
Worksheet3rd GradeDrawing Quadrilaterals Worksheet

This drawing quadrilaterals worksheet has 3rd graders construct a square, rectangle, rhombus, and trapezoid on dot grids, then explain their thinking. Answer key included for fast, no-prep geometry practice.

Worksheet
Worksheet3rd GradeFinding the Area in Square Units Worksheet

This Finding the Area in Square Units Worksheet lets 3rd graders count same-size squares inside six shapes to measure area. Includes a complete answer key—great for hands-on, no-prep geometry practice at home or school.

Worksheet
Worksheet3rd GradeFinding Quadrilaterals Worksheet

A 3rd grade Finding Quadrilaterals Worksheet where students count sides, color the four-sided shapes, match quadrilateral names to their attributes, and explain their thinking. Answer key included for fast, no-prep geometry practice.

Worksheet
Worksheet3rd GradeSolving Perimeter Word Problems Worksheet

A Solving Perimeter Word Problems Worksheet that gives 3rd graders five real-world problems, including one missing-side challenge with a written explanation. Answer key included for fast, no-prep perimeter practice.

Worksheet
Worksheet3rd GradePerimeter Area Worksheet

This perimeter area worksheet gives 3rd graders four labeled figures and a garden word problem for finding perimeter and area. An answer key is included, so measurement practice is ready to print and go.

Worksheet
Worksheet3rd GradeRectangles Area Worksheet

This Rectangles Area Worksheet helps 3rd graders find area by counting unit squares and by multiplying side lengths, then apply the skill to two word problems. An answer key is included, so practice is ready in a single print.

Worksheet
Worksheet3rd GradeArea in Square Units Worksheet

This Area in Square Units Worksheet gives 3rd graders six grid figures to count, two garden word problems, and a write-about-it prompt. An answer key is included, so checking student work takes seconds.

Worksheet
Worksheet3rd GradePolygons Worksheet

This polygons worksheet asks 3rd graders to label six figures polygon or not a polygon, name four polygons from a word bank, and explain their reasoning. Answer key included for quick, no-prep geometry practice.

Worksheet
Worksheet3rd GradeSymmetry Worksheet

This symmetry worksheet gives 3rd grade students hands-on practice drawing lines of symmetry, completing symmetrical grid pictures, and explaining their thinking. Answer key included for fast, no-prep geometry practice.

Worksheet
Worksheet3rd GradeFinding the Area in Square Centimeters Worksheet

This Finding the Area in Square Centimeters Worksheet lets 3rd graders count grid squares to measure area, build their own figures, and explain their thinking. Includes an answer key for quick, no-prep practice.

Worksheet
Worksheet3rd GradeDrawing Non-Quadrilaterals Worksheet

Using this Drawing Non-Quadrilaterals Worksheet, students draw and find examples of non-quadrilaterals to build understanding of this category of shapes.

Worksheet
Worksheet3rd GradeGeometric Shapes Crossword Puzzle

This geometric shapes crossword puzzle worksheet asks 3rd graders to name seven flat shapes from clues about sides, corners and angles. An answer key is included, so geometry vocabulary practice takes no prep at all.

Worksheet
Worksheet3rd GradeFinding the Area in Total Units Worksheet

Count unit squares to find the area with this finding the area in total units worksheet. Built for 3rd grade, it includes an answer key and hands-on area practice that builds real geometry confidence.

Worksheet
Worksheet3rd GradeWhere Can I See Diamonds? Reading Comprehension Worksheet

The Where Can I See Diamonds? Reading Comprehension Worksheet gives 3rd grade readers a nonfiction passage about diamonds in everyday life, four comprehension questions, a vocabulary item, a written response, and an answer key.

Worksheet
Worksheet3rd GradeFind the Polygons Shapes Worksheet

Students use the Find the Polygons Shapes Worksheet to circle true polygons, name them by side count, and explain their thinking. Built for 3rd grade, with a complete answer key for fast, no-prep geometry practice.