Shapes and Their Angles is a free printable Grade 4 maths worksheet on counting the angles in a shape, aligned to Common Core standard 4.G.A.1. It prints 6 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.
4.G.A.1
How many corners does each shape have?
LessonPrint · 4.G.A.1 · Set 20 · free to copy for classroom use
Set 20. Prints on its own sheet.
Draw and identify lines, rays and angles.
Teaching this next? Lines, Rays and Angles is the 50-minute plan for it, with the misconceptions to expect.
Last reviewed 2026-09-05. Aligned to 4.G.A.1 of the Common Core State Standards for mathematics.