U.2

Equilateral, Isosceles & Scalene Triangles

Q4 · Apr–Jun

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

Level
Medium
Problems
Daniel Math Academy · Grade 4 Math

Equilateral, Isosceles & Scalene Triangles

Skill U.2 · Triangles, quadrilaterals & symmetry · ★★☆ 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 in6 in14 in
    Equilateral, isosceles, or scalene? 
  2. 2
    3 m3 m3 m
    Equilateral, isosceles, or scalene? 
  3. 3
    5 in10 in13 in
    Equilateral, isosceles, or scalene? 
  4. 4
    14 cm12 cm14 cm
    Equilateral, isosceles, or scalene? 
  5. 5
    5 in6 in5 in
    Equilateral, isosceles, or scalene? 
  6. 6
    9 m5 m6 m
    Equilateral, isosceles, or scalene? 
Daniel Math Academy · danielmath.comWorksheet #fg6zhy5 · Page 1 / 2
Daniel Math Academy · Grade 4 Math

Answer Key

U.2 Equilateral, Isosceles & Scalene Triangles · ★★☆ Medium

  1. 1scalene
  2. 2equilateral
  3. 3scalene
  4. 4isosceles
  5. 5isosceles
  6. 6scalene
Daniel Math Academy · danielmath.comWorksheet #fg6zhy5 · Answer Key · Page 2 / 2