
4th Grade · Math
Classify Triangles
Free printable 4th Grade math worksheet: Classify Triangles. It practices geometry (Common Core 4.G.A.2). For ages 9-10. Download the PDF, print it, or fill it in online.
Fill in or color online- Grade
- 4th Grade
- Subject
- Math
- Skill
- Geometry
- Ages
- 9–10
- Standard
- 4.G.A.2
- Format
- A4 PDF · print or fill in online
About this worksheet
“Classify Triangles” is sheet 27 of 27 in our free 4th Grade Math Worksheets collection, written for children aged 9–10. It focuses on geometry.
It is the last sheet in the set and follows “Decimals and Money”, so it works well as a check once the earlier sheets feel easy.
What this worksheet practices
4.G.A.2 · Common Core Math · Grade 4
Geometry
Children work on recognizing, drawing and reasoning about shapes and their attributes, and how shapes can be split into equal parts.
How to use this worksheet
- 1
Before long division, practise the four steps out loud: divide, multiply, subtract, bring down.
- 2
On the area model sheet, check each partial product with a quick estimate so mistakes show up early.
- 3
Use a real protractor for the angle sheet and line up the center point carefully before reading the scale.







