Grade 3 Geometry CCSS.Math.3.G

Grade 3: Geometry Worksheets

24 printable practice pages aligned to CCSS.Math.3.G. Every worksheet is free to download, free to copy for the classroom, and built around the same Common Core sub-skill from a slightly different angle.

Reviewed by the PrintSpark Kids editorial team · Updated July 2026

Name a quadrilateral with 4 right angles and 4 equal sides: ___ Name a quadrilateral with 4 right angles, opposite sides equal: ___ Name a quadrilateral with one pair of parallel sides: ___ Name a quadrilateral with 4 equal sides but no right angles: ___

Grade 3 Geometry

Quadrilateral classification: Practice Worksheet

Use this free Grade 3 math worksheet to help your child master Quadrilateral classification. It belongs to our Geometry collection, aligns with CCSS.Math.3.G, and is built so a kid…

Grade 3 Geometry

Quadrilateral classification: Word Problems

This printable worksheet gives Grade 3 students focused practice on Quadrilateral classification, an essential building block within Geometry and one of the milestone skills inside…

Grade 3 Geometry

Quadrilateral classification: Fluency Drill

This printable worksheet gives Grade 3 students focused practice on Quadrilateral classification, an essential building block within Geometry and one of the milestone skills inside…

Grade 3 Geometry

Quadrilateral classification: Challenge Page

Use this free Grade 3 math worksheet to help your child master Quadrilateral classification. It belongs to our Geometry collection, aligns with CCSS.Math.3.G, and is built so a kid…

How many sides does a pentagon have? ___ How many sides does a octagon have? ___ How many sides does a heptagon have? ___ How many sides does a heptagon have? ___

Grade 3 Geometry

Polygon attributes: Practice Worksheet

This printable worksheet gives Grade 3 students focused practice on Polygon attributes, an essential building block within Geometry and one of the milestone skills inside the Commo…

How many sides does a triangle have? ___ How many sides does a hexagon have? ___ How many sides does a octagon have? ___ How many sides does a pentagon have? ___

Grade 3 Geometry

Polygon attributes: Word Problems

This printable worksheet gives Grade 3 students focused practice on Polygon attributes, an essential building block within Geometry and one of the milestone skills inside the Commo…

How many sides does a heptagon have? ___ How many sides does a octagon have? ___ How many sides does a hexagon have? ___ How many sides does a quadrilateral have? ___

Grade 3 Geometry

Polygon attributes: Fluency Drill

Designed for Grade 3 learners, this printable explores Polygon attributes through clear, scaffolded problems that grow in difficulty across the page so kids hit a stretch challenge…

How many sides does a pentagon have? ___ How many sides does a hexagon have? ___ How many sides does a heptagon have? ___ How many sides does a pentagon have? ___

Grade 3 Geometry

Polygon attributes: Challenge Page

Bring focused, low-prep practice into your classroom or home with this Grade 3 worksheet on Polygon attributes. It targets the Geometry strand of the Common Core math standards (CC…

A shape divided into 8 equal parts. Each part is one ___ A shape divided into 4 equal parts. Each part is one ___ A shape divided into 2 equal parts. Each part is one ___ A shape divided into 4 equal parts. Each part is one ___

Grade 3 Geometry

Partitioning shapes into equal parts: Practice Worksheet

Help students build fluency with Partitioning shapes into equal parts using this Grade 3 printable from our Geometry series. Aligned to CCSS.Math.3.G, the page mixes routine comput…

A shape divided into 6 equal parts. Each part is one ___ A shape divided into 2 equal parts. Each part is one ___ A shape divided into 3 equal parts. Each part is one ___ A shape divided into 4 equal parts. Each part is one ___

Grade 3 Geometry

Partitioning shapes into equal parts: Word Problems

Bring focused, low-prep practice into your classroom or home with this Grade 3 worksheet on Partitioning shapes into equal parts. It targets the Geometry strand of the Common Core …

A shape divided into 2 equal parts. Each part is one ___ A shape divided into 2 equal parts. Each part is one ___ A shape divided into 2 equal parts. Each part is one ___ A shape divided into 4 equal parts. Each part is one ___

Grade 3 Geometry

Partitioning shapes into equal parts: Fluency Drill

This printable worksheet gives Grade 3 students focused practice on Partitioning shapes into equal parts, an essential building block within Geometry and one of the milestone skill…

A shape divided into 4 equal parts. Each part is one ___ A shape divided into 4 equal parts. Each part is one ___ A shape divided into 8 equal parts. Each part is one ___ A shape divided into 6 equal parts. Each part is one ___

Grade 3 Geometry

Partitioning shapes into equal parts: Challenge Page

Designed for Grade 3 learners, this printable explores Partitioning shapes into equal parts through clear, scaffolded problems that grow in difficulty across the page so kids hit a…

Find the perimeter of a 15 × 4 rectangle: ___ units Find the perimeter of a 7 × 9 rectangle: ___ units Find the perimeter of a 11 × 2 rectangle: ___ units Find the perimeter of a 9 × 10 rectangle: ___ units

Grade 3 Geometry

Perimeter of polygons: Practice Worksheet

Designed for Grade 3 learners, this printable explores Perimeter of polygons through clear, scaffolded problems that grow in difficulty across the page so kids hit a stretch challe…

Find the perimeter of a 5 × 10 rectangle: ___ units Find the perimeter of a 12 × 2 rectangle: ___ units Find the perimeter of a 7 × 2 rectangle: ___ units Find the perimeter of a 3 × 12 rectangle: ___ units

Grade 3 Geometry

Perimeter of polygons: Word Problems

Help students build fluency with Perimeter of polygons using this Grade 3 printable from our Geometry series. Aligned to CCSS.Math.3.G, the page mixes routine computation, short wo…

Find the perimeter of a 14 × 9 rectangle: ___ units Find the perimeter of a 12 × 2 rectangle: ___ units Find the perimeter of a 2 × 14 rectangle: ___ units Find the perimeter of a 7 × 2 rectangle: ___ units

Grade 3 Geometry

Perimeter of polygons: Fluency Drill

Designed for Grade 3 learners, this printable explores Perimeter of polygons through clear, scaffolded problems that grow in difficulty across the page so kids hit a stretch challe…

Find the perimeter of a 3 × 5 rectangle: ___ units Find the perimeter of a 3 × 8 rectangle: ___ units Find the perimeter of a 12 × 8 rectangle: ___ units Find the perimeter of a 2 × 5 rectangle: ___ units

Grade 3 Geometry

Perimeter of polygons: Challenge Page

Help students build fluency with Perimeter of polygons using this Grade 3 printable from our Geometry series. Aligned to CCSS.Math.3.G, the page mixes routine computation, short wo…

Find the area of a 5 × 11 rectangle: ___ square units Find the area of a 12 × 5 rectangle: ___ square units Find the area of a 3 × 6 rectangle: ___ square units Find the area of a 11 × 5 rectangle: ___ square units

Grade 3 Geometry

Area by counting squares: Practice Worksheet

Use this free Grade 3 math worksheet to help your child master Area by counting squares. It belongs to our Geometry collection, aligns with CCSS.Math.3.G, and is built so a kid wit…

Find the area of a 5 × 11 rectangle: ___ square units Find the area of a 5 × 11 rectangle: ___ square units Find the area of a 8 × 9 rectangle: ___ square units Find the area of a 2 × 7 rectangle: ___ square units

Grade 3 Geometry

Area by counting squares: Word Problems

Bring focused, low-prep practice into your classroom or home with this Grade 3 worksheet on Area by counting squares. It targets the Geometry strand of the Common Core math standar…

Find the area of a 4 × 10 rectangle: ___ square units Find the area of a 4 × 4 rectangle: ___ square units Find the area of a 4 × 5 rectangle: ___ square units Find the area of a 4 × 6 rectangle: ___ square units

Grade 3 Geometry

Area by counting squares: Fluency Drill

Use this free Grade 3 math worksheet to help your child master Area by counting squares. It belongs to our Geometry collection, aligns with CCSS.Math.3.G, and is built so a kid wit…

Find the area of a 4 × 5 rectangle: ___ square units Find the area of a 5 × 11 rectangle: ___ square units Find the area of a 2 × 12 rectangle: ___ square units Find the area of a 3 × 9 rectangle: ___ square units

Grade 3 Geometry

Area by counting squares: Challenge Page

Help students build fluency with Area by counting squares using this Grade 3 printable from our Geometry series. Aligned to CCSS.Math.3.G, the page mixes routine computation, short…

How many endpoints does a ray have? ___ How many endpoints does a line segment have? ___ A line has how many endpoints? ___ Two lines that never meet are called ___

Grade 3 Geometry

Lines, rays, and angles (intro): Practice Worksheet

Help students build fluency with Lines, rays, and angles (intro) using this Grade 3 printable from our Geometry series. Aligned to CCSS.Math.3.G, the page mixes routine computation…

How many endpoints does a ray have? ___ How many endpoints does a line segment have? ___ A line has how many endpoints? ___ Two lines that never meet are called ___

Grade 3 Geometry

Lines, rays, and angles (intro): Word Problems

Bring focused, low-prep practice into your classroom or home with this Grade 3 worksheet on Lines, rays, and angles (intro). It targets the Geometry strand of the Common Core math …

How many endpoints does a ray have? ___ How many endpoints does a line segment have? ___ A line has how many endpoints? ___ Two lines that never meet are called ___

Grade 3 Geometry

Lines, rays, and angles (intro): Fluency Drill

Use this free Grade 3 math worksheet to help your child master Lines, rays, and angles (intro). It belongs to our Geometry collection, aligns with CCSS.Math.3.G, and is built so a …

How many endpoints does a ray have? ___ How many endpoints does a line segment have? ___ A line has how many endpoints? ___ Two lines that never meet are called ___

Grade 3 Geometry

Lines, rays, and angles (intro): Challenge Page

Help students build fluency with Lines, rays, and angles (intro) using this Grade 3 printable from our Geometry series. Aligned to CCSS.Math.3.G, the page mixes routine computation…

About these geometry worksheets

This collection focuses entirely on geometry for Grade 3. Every printable targets the Common Core standard CCSS.Math.3.G, and we built four practice variants per sub-skill: a straight practice worksheet, a word-problem set, a fluency drill, and a stretch challenge. Same idea, four different ways in.

The variants matter. Kids who meet a skill from several angles hold onto it longer than kids who do five rounds of the same worksheet. A child who runs a fluency drill on Monday, a word-problem set on Wednesday, and a challenge page on Friday is practicing the exact same Common Core sub-skill three ways, and locking it in.

For families using these at home: pick one page per session, set a quiet 10 to 15 minute window, and sit with your child to talk through the tricky problems when they finish. For teachers: this collection slots cleanly into morning math, a small-group rotation, fast-finisher work, or a homework folder. The same one-page format works in all of those contexts.

If the practice here feels too easy or too hard, slide one grade up or down from the Geometry hub. The same skill shows up at multiple grade levels, so you can pull the version that matches your student's current edge.