S.3

Classify Triangles by Sides

Q4 · Apr–Jun

Name triangles equilateral, isosceles, or scalene from their side lengths.

Level
Medium
Problems
Daniel Math Academy · Grade 5 Math

Classify Triangles by Sides

Skill S.3 · Triangles · ★★☆ Medium · Quarter 4

Name
 
Date
 
Score/ 6

Write equilateral, isosceles, or scalene.

Example

Sides 5 cm, 5 cm, 8 cm → isosceles

Think: Equilateral: 3 equal sides. Isosceles: 2 equal sides. Scalene: no equal sides.

  1. 1
    10 ft4 ft10 ft
    Equilateral, isosceles, or scalene? 
  2. 2
    6 m11 m6 m
    Equilateral, isosceles, or scalene? 
  3. 3
    5 cm11 cm12 cm
    Equilateral, isosceles, or scalene? 
  4. 4
    10 m10 m10 m
    Equilateral, isosceles, or scalene? 
  5. 5
    7 ft4 ft5 ft
    Equilateral, isosceles, or scalene? 
  6. 6
    10 cm8 cm10 cm
    Equilateral, isosceles, or scalene? 
Daniel Math Academy · danielmath.comWorksheet #rmqtwfq · Page 1 / 2
Daniel Math Academy · Grade 5 Math

Answer Key

S.3 Classify Triangles by Sides · ★★☆ Medium

  1. 1isosceles
  2. 2isosceles
  3. 3scalene
  4. 4equilateral
  5. 5scalene
  6. 6isosceles
Daniel Math Academy · danielmath.comWorksheet #rmqtwfq · Answer Key · Page 2 / 2