Define and Construct Triangles

Videos to help Grade 4 students learn how to define and construct triangles from given criteria and explore symmetry in triangles.

Common Core Standards: 4.MD.7

Related Topics:
Lesson Plans and Worksheets for Grade 4

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 4

Common Core For Grade 4

New York State Common Core Math Module 4, Grade 4, Lesson 14

NYS Math Module 4 Grade 4 Lesson 14 Fluency Practice

Classify the Triangle

Lesson 14 Concept Development

Problem 1: Construct an obtuse isosceles triangle.

Lesson 14 Concept Development

Problem 2: Construct a right scalene triangle. NYS Math Module 4 Grade 4 Lesson 14 Homework

1. Draw triangles that fit the following classifications. Use a ruler and protractor. Label the side lengths and angles.
a. right and isosceles
d. acute and scalene
Are the following statements true or false? Explain using pictures or words.

3. If ABC is an isosceles triangle, AB must be 2 cm. True or False?