We found 382 resources with the keyterm triangle
Study Jams! Area of a TriangleLesson Planet
4th - 6th CCSS: Adaptable
Even though there is a wide variety of different triangles in the world, knowing a single equation allows us to find the area of each and every one of them. Follow along with this step-by-step presentation as Zoe clearly models how to...
Grandfather Tang's StoryLesson Planet
K - 2nd CCSS: Designed
It's amazing the complex figures that can be made using only a few simple shapes. Following a class reading of the children's book Grandfather Tang's Story by Ann Tompert, young mathematicians use sets of tangrams to create models of the...
What is the Formula for the Volume of a Prism?Lesson Planet
8 mins 6th - 10th
Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....
What are the Legs and Hypotenuse of a Right Triangle?Lesson Planet
2 mins 6th - 10th
What are all the parts of a right triangle called? What makes it a right triangle? Legs? Triangles have legs? Hypotenuse? Pythagorean Theorem? The instructor diagrams and identifies all the parts of a right triangle for you.
How Do You Find the Volume of a Triangular Pyramid?Lesson Planet
6 mins 6th - 10th
Instruct your class on how to find the volume of a triangular pyramid using this tutorial. Learners can watch the video and take notes, later applying what they have seen to class work or homework. A clear video with direct instruction,...
How Do You Find the Lateral and Surface Areas of a Triangular Prism?Lesson Planet
8 mins 9th - 11th
There are several pieces to this problem. But luckily all the necessary pieces are here. There are five variables and three different formulas to use to get the solutions. The instructor diagrams the triangular prism and labels the...
What is the Formula for the Area of a Triangle?Lesson Planet
5 mins 6th - 10th
The teacher explains how the formula for a triangle was determined. It is related to a parallelogram. What? The formula for the area of a triangle is derived from the area of a parallelogram? Seeing is believing, so watch this video to...
How Do You Find the Height of a Triangle if You Know the Area and Base?Lesson Planet
6 mins 6th - 10th
Use the formula for the area of a triangle to find the height of the triangle. If the problem gives the value of the area and the value of the base, then the height can be found using the formula for the area of a triangle. The...
How Do You Find the Area of a Triangle?Lesson Planet
4 mins 6th - 8th
The formula for the area of a triangle is: area equals one half the base times the height. If you have been given these two values then all you need to do is plug them into the formula and solve. Don't forget to write the correct ending...
How Do You Find Missing Angles in a Triangle With Variables?Lesson Planet
5 mins 8th - 10th
Are you working on finding the missing angles of triangles in your class? Consider this video. An instructor uses the triangle sum theorem to create an equation that helps her find the missing angles. She explains each step and writes...
How Do You Find the Angles in a Triangle if You Have a Ratio of Their Measures?Lesson Planet
6 mins 6th - 11th
Use the Triangle Sum Theorem to find the value of each of the inside angles of a triangle. This triangle problem has to do with the ratio of the angles to each other. Find the measure of each angle if the ratio is 1:3:8. Not sure how to...
How Do You Find a Missing Angle in a Triangle?Lesson Planet
4 mins 6th - 10th
The interior angles of any and ALL triangles adds up to 180 degrees. So if given two of the angle degrees, is it possible to find the value of the third angle? Yes! Use the triangle sum theorem to solve for the missing angle. Watch this...
How Do You Determine if a Triangle Is a Right Triangle if You Know its Sides?Lesson Planet
3 mins 6th - 10th
Use the Pythagorean Theorem formula to check if this given triangle, with the given lengths of each side, is a right triangle. It's as simple as plugging the given values into the formula and doing the math to see if the solution checks...