Sides and Corners of Shapes
A free printable sides and corners of shapes worksheet with an answer key. Count the sides and the corners of each shape. Perfect for 1st grade practice at home or in class.
- Size
- US Letter (8.5 × 11 in), fits A4
- 2 pages: the worksheet and its answer key
- Level
- Grade 1
- License
- Free for personal & classroom use
About this worksheet
A free printable sides and corners of shapes worksheet with an answer key. Count the sides and the corners of each shape. It matches first grade goals, roughly ages 6 to 7.
Answer key at a glance
1) rectangle Sides: 4 Corners: 4; 2) square Sides: 4 Corners: 4; 3) trapezoid Sides: 4 Corners: 4; 4) triangle Sides: 3 Corners: 3; 5) octagon Sides: 8 Corners: 8; 6) pentagon Sides: 5 Corners: 5.
Tips for using it
- Count the corners with a finger, touching each one, so none are counted twice.
- A square is a special rectangle: four equal sides and four square corners.
- Turn the page around: a shape is the same shape even when it is rotated.
Printing tips
Download the PDF and print at 100% (or “fit to page” on A4). Page 1 is the worksheet and page 2 is the answer key with the answers in red; print just page 1 if you want to keep the answers for checking. The PNG shows page 1 only. Free for personal, family and classroom use.
