+
Lesson Plan
Curated OER

Art or Junk? Discovering the Triangle Inequality

For Teachers 6th
Middle schoolers study the triangle inequality. They will identify, compare, and analyze attributes of two and three-dimensional shapes. Then they develop vocabulary to describe the attributes. They also use manipulatives to analyze the...
+
Lesson Plan
Curated OER

Solving Problems Using Triangle Inequality Theorem

For Teachers 6th
Sixth graders investigate triangles and the inequality theorem. They will collaborate in groups to determine the length of a longest side of a triangle. Then relate the size of the triangle to its angles using protractors, yard sticks,...
+
Lesson Plan
Curated OER

Triangle Inequality

For Teachers 4th - 6th
Learners discover that the sum of the lengths of any two sides of a triangle must be greater than the third side. They are shown how a triangle is formed using three strips such as that the triangle is seen inside the strips.
+
Lesson Plan
Curated OER

Toothpick Triangles

For Teachers 4th - 8th
Students draw a chart (included in the lesson) to use with their investigation. They review terminology of triangles and receive toothpicks to use in the lesson. Beginning with three toothpicks, students form a triangle. They complete...
+
Lesson Plan
Curated OER

Pasta Triangles - A Triangle Inequality Activity

For Teachers 6th - 8th
Students explore, examine and experiment with pasta sticks to discover the triangle inequality principle. They assess if any three lines or segments fit together to form a triangle. Each student also completes a Triangle Recording Chart...
+
Lesson Plan
Curated OER

Triangle Wars

For Teachers 5th - 8th
Students explore geometry by participating in a class card game. In this triangle lesson, students utilize playing cards with shapes on them which they group up and discard, similar to "Old Maid." Students complete a worksheet and answer...
+
Lesson Plan
Curated OER

Polygonal Strings

For Teachers 6th
Sixth graders apply knowledge of how to calculate the area and perimeter of triangles. They determine why it is inappropriate to measure the area of land by its perimeter which is done in certain areas of New Guinea. They complete a...
+
Printables
Virginia Department of Education

Middle School Mathematics Vocabulary Word Wall Cards

For Teachers 5th - 9th
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
+
Lesson Plan
Curated OER

Applications And Problem Solving With Inequalities

For Teachers 6th - 8th
In this math worksheet, students solve the word problems using inequalities. They translate the words into the correct expressions.
+
Lesson Plan
Curated OER

Quilt Patch Proof

For Teachers 6th - 10th
Students construct a convincing argument that the same amount of fabric is needed for each color of quilt being made in a specific design. They justify the relationship between vertical angles and the sum of the interior angles. Students

Other popular searches