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187 resources with the concept pi

Videos (Over 2 Million Educational Videos Available)
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Other Resource Types (187)
12 Items in Collection
Lesson Planet

Math Antics Geometry Video Lessons

For Teachers 4th - 8th Standards
The point of this collection of 12 videos is to introduce learners to three basic parts of geometry—points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...
Lesson Planet

Calculating Pi with Darts

For Students 6th - 12th Standards
Can pi be calculated through a game of darts? The video shows why this works mathematically and the issues surrounding the methodology. Once participants overcome errors, success through physics and mathematics leads to celebration.
Lesson Planet

Circles: Radius, Diameter and Circumference

For Students 4th - 11th
Fascinating discussion regarding the origin of Pi accompanies a detailed explanation of how to find the circumference of a circle. Since this is the first installment in a series on circles, the concept of circumference is separated into...
Lesson Planet

Area of a Circle

For Students 7th - 10th
A second installment in a series on circles, this production demonstrates the process of finding the area of a circle. As an introductory tool, it is effective. However, it does not explain the reasoning behind the formula because that...
Lesson Planet

Tau vs. PI

For Students 11th - Higher Ed
What�s wrong with Pi? In this video, Sal considers the question whether the number Tau (_), is a better number to use in our trigonometric model then the traditional PI (�). First, Sal reviews the definition of Pi, the trigonometric...
Lesson Planet

SAT Prep: Test 1 Section 3 Part 4

For Students 9th - 12th
Pushing through to problems 11-12 on page 398 of The Official SAT Study Guide, Sal goes into comprehensive detail on each problem. Problem 11 involves geometry, including the function of pi, and problem 12 involves non-constant slopes....
Lesson Planet

SAT Prep: Test 4 Section 4 Part 4

For Students 9th - 12th
Sal takes a little more time to explain the next two problems as he nears the end of this practice SAT session. He spends about 5 minutes drawing, solving, and discussing problem 17 (geometric line segments) and the next 5 minutes on...
Lesson Planet

SAT Prep: Test 4 Section 2 Part 4

For Students 9th - 12th
Taking time to thoroughly explain and work through problems 15-16, Sal models careful reading and problem solving. He begins problem 17 but continues it in the next video.
Lesson Planet

SAT Prep: Test 5 Section 3 Part 5

For Students 9th - 12th
Problem 15 on the practice SAT (page 657) prompts students to solve a word problem using a number of given constraints. Additional problems involve finding the radius of a circle (given the radius of a smaller circle) and prime...
Lesson Planet

SAT Prep: Test 6 Section 7 Part 2

For Students 9th - 12th
Helping students realize the common missteps in solving the average SAT problem, Sal creates a lens through which students can clearly see the correct and incorrect approach to each type of problem. He points out what a student might...
Lesson Planet

SAT Prep: Test 8 Section 2 Part 1

For Students 9th - 12th
Test eight from The Official SAT Study Guide includes eighteen problems, the first four of which are featured in this video. Basic algebraic expressions, linear equations, tangent circles, and coordinates on a plane test algebra and...
Lesson Planet

SAT Prep: Test 6 Section 7 Part 5

For Students 9th - 12th
On the home stretch of this practice session, Sal completes problems 18 and 19 on page 738 of The Official SAT Study Guide. He begins problem 20, but chooses to finish it in the next video instead of rushing the answer. As always, Sal's...
Lesson Planet

SAT Prep: Test 2 Section 3 Part 5

For Students 9th - 12th
Sal takes viewers into the home stretch of this practice test session from The Official SAT Study Guide. Problems 17-18 are algebraic equations, while problem 19 focuses on area in a given figure (with the use of pi).
Lesson Planet

SAT Prep: Test 7 Section 5 Part 2

For Students 9th - 12th
Complicated word problems and expressions are no match for Sal, and after watching this series, they will be no match for your students either! Sal deftly handles problems involving algebraic equations, averages, and circumference.
Lesson Planet

Test 2 Section 2 Part 5

For Students 9th - 12th
Both algebra and geometry problems are featured in this SAT practice video. Students who have a hard time transitioning between skills on tests (average mean, then diameters and pi, then positive integers) would benefit from Sal's deft...
Lesson Planet

SAT Prep: Test 5 Section 7 Part 5

For Students 9th - 12th
Geometry problems on the SAT are often the most difficult for students to solve, let alone master. Focusing on several geometry-related skills (as well a few algebra problems), Sal makes this lesson a valuable resource for viewers who...
Lesson Planet

Discovering Pi/Welcome to Pi Day

For Teachers 9th - 12th
Students explore pi. For this circle measurement lesson, students define and identify radius, diameter, circumference, and perimeter. Students work in groups to measure several plastic lids and record their findings. Students compare the...
Lesson Planet

SAT Prep: Test 3 Section 8 Part 3

For Students 9th - 12th
Geometry and algebra are equally represented in this video, which covers problems 10-14 on the practice SAT. As always, Sal is the expert of quick, efficient ways to solve problems - especially helpful for students who have a difficulty...
Lesson Planet

Circles in Geometry

For Teachers 3rd - 6th
Students figure the diameter and circumference of a circle. In this circles activity, students break into small groups and work together to find the answers then compare with peer groups. Students then make human circles and using string...
Lesson Planet

Accessible Shapes

For Teachers 6th - 8th Standards
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
Lesson Planet

Pi Day #1a – Discovering Pi

For Students 6th - 10th Standards
Unravel the mystery behind the infamous number pi. Scholars complete a series of activities that explores where pi comes from, its digits and estimation strategies. Pupils should be ready to measure, calculate, and look for patterns to...
Lesson Planet

Pi Day | All About the Holidays

For Students K - 4th
Pi day is both delicious and informative! Play a short video on Pi Day to explain the basics behind both the holiday and the infinite number.
Lesson Planet

Formulas for Circle Area and Circumference: Simple as Pie

For Teachers 6th - 7th Standards
Calculating circumference is as easy as pi times diameter. A short video explains how to measure pie tins using the diameter. It also describes the relationship between diameter and circumference. Using the knowledge, scholars consider...
Lesson Planet

Scale City — Scaling up Recipes and Circles in the Real World

For Students 6th - 7th Standards
What a great big skillet you have. The resource introduces the class to the world's largest stainless steel skillet. The class creates a model of the skillet and a typical 12-inch skillet and compares the relative sizes of their areas....