Khan Academy
SAT Prep: Test 8 Section 2 Part 2
Using pie graphs and multiple variables, Sal carefully (yet efficiently) moves through problems 5-8 of this practice SAT session (page 839 from The Official SAT Study Guide). Both beginning and advanced mathematicians will appreciate...
Khan Academy
SAT Prep: Test 6 Section 7 Part 1
Another SAT practice test from The Official SAT Study Guide is the focus of this video, which starts out with simple problems involving integers, factoring, perimeters, and percentages. Students will appreciate the relative ease with...
Khan Academy
SAT Prep: Test 2 Section 9 Part 4
Price increases in real life aren't enjoyable, but Sal's enthusiasm and easygoing explanation makes the question on increasing prices on the practice SAT fun! Showing students how to easily work through problems involving the Pythagorean...
Khan Academy
SAT Prep: Test 6 Section 9 Part 4
Putting the finishing touches on this practice session, Sal takes students through an algebra problem involving percentages (or decimals, as he prefers) and a geometry problem with equilateral rectangles. Students who need a little more...
Curated OER
SAT Prep: Test 2 Section 3 Part 6
The final problem in this section of the SAT practice test involves converting fractions to percentages to find the correct answer. Short and sweet, this video would be a great addition to a class that only has a few minutes to spare.
Khan Academy
SAT Prep: Test 3 Section 8 Part 3
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...
Khan Academy
MTEL Math Practice Test: 41-45
Finishing up this practice MTEL Math test, Sal guides the viewer through questions 41-45, explaining his thought processes. The problem set in this video features skills such as median and mean, percentages, and probability, all of which...
Khan Academy
MTEL Math Practice Test: 5-8
In this video, covering questions 5-8, Sal demonstrates test-taking skills (reading a question properly, analyzing all possible choices) and pre-algebra-level skills. He guides viewers through problems involving simplifying expressions,...
Khan Academy
Khan Academy: Algebra: Growing by a Percentage
This video demonstrates how to find the new value of a number after it grows by a given percent. It also shows to set up and solve an algebraic equation in order to determine the original amount before a certain number grows by a given...
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Identifying Percent Amount and Base
This video shows how to identify the percent amount and base in a word problem. Practice problems are available. [2:32]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Describing the Meaning of Percent
This video describes the meaning of percent by showing shaded squares out of 100. Practice problems are available. [3:01]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Describing the Meaning of Percent 2
This video describes the meaning of percent by showing shaded squares out of 100. Practice problems are available. [2:22]
Sophia Learning
Sophia: Dividing Whole Numbers by Percentages: Lesson 1
This lesson demonstrates how to divide a whole number by a percentage. It is 1 of 12 in the series titled "Dividing Whole Numbers by Percentages."
Sophia Learning
Sophia: Multiplying Percentages
In this lesson, students are shown how to find the product of two percentages. Students watch a video tutorial and then take an online quiz.
Khan Academy
Khan Academy: Algebra: Taking Percentages
The algebra resource demonstrates how to calculate a percent of a number. Students learn about the concept through a video tutorial.
Khan Academy
Khan Academy: Algebra: Growing by a Percentage
This algebra resource demonstrates increasing a quantity by a percentage. Students learn about the concept through a video tutorial and available practice problems. [9:42]
Khan Academy
Khan Academy: Intro to Percentages: Converting Decimals to Percents
In this video lesson students learn to convert decimals to percents.
Khan Academy
Khan Academy: Intro to Percentages: Converting Decimals to Percents
In this video lesson students learn to convert decimals to percents.
Sophia Learning
Sophia: Decrease Percent of Change
This video resource demonstrates two ways to calculate a percent of change decrease. The lesson includes detailed examples of the skill.
Sophia Learning
Sophia: Finding Percentages
This video tutorial demonstrates how to use percent proportions to determine a percent, a whole, or a part. It includes detailed examples.
Sophia Learning
Sophia: Increase Percent of Change
This video resource demonstrates two ways to calculate a percent of change increase. The lesson includes detailed examples of the skill.
Khan Academy
Khan Academy: Intro to Percentages: Describing the Meaning of Percent
In this video students learn about describing the meaning of percent.
Other
Mario's Math Tutoring: Act Math 21 Concepts to Boost Your Score
A video [48 mins, 48 sec] explaining 21 different math concepts to help students prepare for the ACT including; circumference; averages; probability; multiplication counting principle; functions; circles; percentages; factoring; rules of...
Sophia Learning
Sophia: Dividing Whole Numbers by Percentages: Lesson 10
This lesson demonstrates how to divide a whole number by a percentage. It is 10 of 12 in the series titled "Dividing Whole Numbers by Percentages."