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Year 4 Maths — Line symmetry

Find the lines of symmetry of shapes and letters, and tell a mirror line from a line that only looks like one.

Name: ________________________

  1. 1.How many lines of symmetry does a regular pentagon have?

  2. 2.How many lines of symmetry does the capital letter T have?

  3. 3.How many lines of symmetry does the capital letter H have?

  4. 4.Sort each capital letter by whether it has a line of symmetry.

    Groups: Has a line of symmetry · Has none

    • A
    • M
    • F
    • P
    • T
    • R

  5. 5.How many lines of symmetry does the capital letter F have?

  6. 6.Which of these shapes has exactly one line of symmetry?

    • a) Rectangle that is not a square
    • b) Square
    • c) Scalene triangle
    • d) Isosceles triangle

  7. 7.Match each of these to the number of lines of symmetry it has.

    • The letter F
    • The letter T
    • The letter H
    • Equilateral triangle
    • Regular pentagon
    • 5
    • 3
    • 1
    • 0
    • 2

  8. 8.Which of these capital letters has no line of symmetry?

    • a) E
    • b) M
    • c) X
    • d) R

Answer key — Year 4 Maths — Line symmetry

  1. 1. 5
  2. 2. 1
  3. 3. 2
  4. 4. A → Has a line of symmetry; F → Has none; M → Has a line of symmetry; P → Has none; T → Has a line of symmetry; R → Has none
  5. 5. 0
  6. 6. d) Isosceles triangle
  7. 7. The letter F → 0; The letter T → 1; The letter H → 2; Equilateral triangle → 3; Regular pentagon → 5
  8. 8. d) R