Lines of symmetry
Name: _____________________ Date: __________
Show your thinking with numbers, words, or a drawing.
1. How many lines of symmetry does a square have?
2. How many lines of symmetry does a rectangle have?
3. How many lines of symmetry does a square have?
4. How many lines of symmetry does a rectangle have?
5. How many lines of symmetry does a square have?
Answer key ยท Lines of symmetry
1. 4
A square maps exactly onto itself when it is folded along a line of symmetry.
Folding a square every possible way, 4 folds match exactly.
A square has 4 lines of symmetry.
2. 2
A rectangle maps exactly onto itself when it is folded along a line of symmetry.
Folding a rectangle every possible way, 2 folds match exactly.
A rectangle has 2 lines of symmetry.
3. 4
A square maps exactly onto itself when it is folded along a line of symmetry.
Folding a square every possible way, 4 folds match exactly.
A square has 4 lines of symmetry.
4. 2
A rectangle maps exactly onto itself when it is folded along a line of symmetry.
Folding a rectangle every possible way, 2 folds match exactly.
A rectangle has 2 lines of symmetry.
5. 4
A square maps exactly onto itself when it is folded along a line of symmetry.
Folding a square every possible way, 4 folds match exactly.
A square has 4 lines of symmetry.
Try it together
Choose a question from the printable. Use objects or a drawing to show your thinking, then explain your method to someone at home.