Examples, solutions, and 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
NYS Math Module 4 Grade 4 Lesson 14 Fluency Practice
Classify the Triangle
Lesson 14 Concept Development
Problem 1: Construct an obtuse isosceles triangle.
Problem 2: Construct a right scalene triangle.
NYS Math Grade 4, Module 4, Lesson 14 Problem Set
Are the following statements true or false? Explain using pictures or words.
3. If ABC is an isosceles triangle, BC must be 2 cm. True or False?
4. A triangle cannot have one obtuse angle and one right angle. True or False?
5. EFG can be described as a right triangle and an isosceles triangle. True or False?
6. An equilateral triangle is isosceles. True or False?
NYS Math Module 4 Grade 4 Lesson 14 Homework
Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
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