Instructional Video2:10
Tarver Academy

Comparing Lines in Slope Formula

12th - Higher Ed
In This Episode, Tyler Teaches Us About Comparing Lines in Slope Formula
Instructional Video2:53
Curated Video

Solving Systems of Linear Equations with No Solution

K - 5th
In this video lesson, mathematicians learn how to solve systems of two linear equations with no solution by graphing and finding the slope of the lines. The video explains that parallel lines, which have the same slope but different...
Instructional Video5:55
Curated Video

Understanding Linear Models in Real World Situations

K - 5th
In this lesson, students will learn how to use linear models to understand and solve real-world situations and problems. They will explore the concepts of slope and Y-intercept and learn how these values relate to the context of the...
Instructional Video6:55
Why U

Algebra 34 - Perpendicular Lines

12th - Higher Ed
Perpendicular lines have slopes which are negative reciprocals of each other, but why?
Instructional Video4:06
Curated Video

Identifying and Writing Equations of Parallel Lines

K - 5th
In this lesson, students learn how to identify and write equations of parallel lines by analyzing their slopes and y-intercepts. The video explains the concept using examples and demonstrates how parallel lines have the same slope but...
Instructional Video3:59
Curated Video

Identifying and Writing Equations of Perpendicular Lines

K - 5th
In this video, mathematicians learn how to identify and write equations of perpendicular lines by analyzing their slopes and y-intercepts. The video explains the concept using examples and demonstrates how to determine if two lines are...
Instructional Video4:39
Curated Video

Determine Rate of Change in Linear Relationships Using Graphs

K - 5th
In this video, students will learn how to determine the rate of change in linear relationships by comparing slopes on a graph. The video explains that rate of change is a ratio that compares the change in output to the change in input,...
Instructional Video3:03
Curated Video

Solving Systems of Linear Equations with Infinitely Many Solutions

K - 5th
In this video, mathematicians learn how to solve systems of two linear equations with infinitely many solutions by graphing and finding the slopes of the lines. The video explains that when the two equations represent the same line, any...
Instructional Video4:15
Professor Dave Explains

Graphing Parallel and Perpendicular Lines

9th - Higher Ed
Graphing lines in algebra.
Instructional Video6:20
Professor Dave Explains

Graphing Lines in Algebra: Understanding Slopes and Y-Intercepts

9th - Higher Ed
Graphing lines in algebra.
Instructional Video13:42
Khan Academy

Slope and Rate of Change, Graphing Lines and Slope, Algebra Basics

7th - 11th
Introducing slope as "a way of measuring the inclination of a line," Sal endeavors to provide a working knowledge of slope problems and problem-solving. The video is framed as a review but could be a good way to fill any holes in...
Instructional Video11:11
Khan Academy

Slope-Intercept Equation From a Graph Examples, Algebra I

7th - 11th
This lecture continues reviewing linear equations and slope problems with several example problems. Those who didn't grasp the concepts during class might find this lesson helpful.
Instructional Video
Khan Academy

SAT Prep: Test 5 Section 7 Part 3

9th - 12th
The most helpful part of this video is at the very end, when Sal demonstrates how to solve a combinations problem incorrectly (after initially finding the correct answer). The trial-and-error strategy of solving multiple-choice math...
Instructional Video
Curated OER

SAT Prep: Test 8 Section 5 Part 4

9th - 12th
If your math students are having a hard time with graphing and slopes, this video could be a great resource as they prepare for the SAT. Sal takes care in explaining his thought process, making sure where to note different strategies to...
Instructional Video
Khan Academy

SAT Prep: Test 1 Section 3 Part 4

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....
Instructional Video
Khan Academy

SAT Prep: Test 7 Section 2 Part 2

9th - 12th
Test-takers who have a hard time transitioning between math skills will find this video very helpful, as Sal moves quickly through increasingly complicated algebra and geometry problems. Not only are his math techniques top-notch, but...
Instructional Video
Khan Academy

SAT Prep: Test 5 Section 9 Part 3

9th - 12th
Determining the skills necessary for solving a given problem is half of the battle on the SAT. (The other half is using those skills correctly). Sal shows students how to decide if they need to spend a lot of time solving a problem, or...
Instructional Video
Khan Academy

SAT Prep: Test 8 Section 2 Part 4

9th - 12th
Advising students to become comfortable with the 30-60-90 triangles as an SAT prep skill, Sal finishes this review session with a geometry problem, an algebra problem with fractions, slopes, and median numbers. His tips and test-taking...
Instructional Video
Khan Academy

SAT Prep: Test 7 Section 2 Part 1

9th - 12th
Sal picks up the pace in this video, going through problems 1-7 on page 774 of The Official SAT Study Guide. Basic algebra, arithmetic, and geometry problems start out this section, allowing students to build up some steam before hitting...
Instructional Video9:26
Khan Academy

SAT Prep: Test 6 Section 7 Part 3

9th - 12th
Sal finishes problem 10 in this video, as well as problems 11-13 on page 735. Students can practice skills such as linear functions, slopes, and calculating permutations. Problem 12 allows viewers to see the process of elimination in...
Instructional Video9:08
Khan Academy

SAT Prep: Test 2 Section 9 Part 1

9th - 12th
Sal works up an appetite for his Thanksgiving turkey in this video, which takes students through the first five problems of a new set of SAT practice questions from The Official SAT Study Guide. Problems involve algebraic word problems,...
Instructional Video9:00
Khan Academy

SAT Prep: Test 7 Section 8 Part 3

9th - 12th
After finishing problem 10 about congruent angles inside a polygon, Sal goes on to solve additional problems involving reciprocals, odd integers, and slopes. Those who have a difficult time moving efficiently through different skill sets...
Instructional Video8:51
Khan Academy

SAT Prep: Test 6 Section 9 Part 2

9th - 12th
With pen in hand and diagrams at the ready, Sal demonstrates problem-solving and test-taking skills in this informative video. Problems 7-9 involve inequalities, linear equations, and measuring angles in a right triangle.
Instructional Video8:38
Khan Academy

SAT Prep: Test 1 Section 3 Part 5

9th - 12th
Sal's lecture starts where his last one ended - on problem 13 from The Official SAT Study Guide. Starting the problem over to ease understanding, he explains how to find the pattern in a complicated sequence. The following problem...