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Classify Triangles Color by Number — Puffin Artic Animal
Interactive worksheet with auto-grading, instant feedback, and printable PDF.
Grades 4–5MathInteractive · Printable
Aligned to4.G.A.25.G.B.4
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2 Common Core standards
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About this worksheet
Classify Triangles Color by Number turns a key geometry skill into a picture students actually want to finish. Students sort each answer into the right group, color by the key, and a hidden picture appears. Students classify triangles by their sides and angles. Built for Grades 4–5 and aligned to 4.G.A.2, 5.G.B.4. No-prep and self-checking, it's ready for math centers, morning work, early finishers, or homework — and every download includes a print-ready PDF plus an interactive version with the answer key.
Curriculum
Common Core standards covered
4.G.A.2
Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.
5.G.B.4
Classify two-dimensional figures in a hierarchy based on properties.
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