Khan Academy
SAT Prep: Test 5 Section 3 Part 2
Going over the last problem from the previous video (problem 5), Sal explains his thought process more carefully. Additionally, he solves problems involving measuring angles, algebraic expressions, and averages.
Khan Academy
SAT Prep: Test 2 Section 6 Part 2
Reviewing the last problem from the previous video because he feels that he "rushed it," Sal again explains the concept of ratios as it applies to problem 6 on the practice SAT (page 472 in The Official SAT Study Guide). Additional...
Khan Academy
SAT Prep: Test 7 Section 5 Part 3
Choosing the "quick and dirty" method of solving problems rather than more mathematically complicated, Sal shows students the importance of time management when taking the SAT (or other math tests). He still arrives at correct answers,...
Khan Academy
SAT Prep: Test 8 Section 5 Part 1
Launching into another practice session from The Official SAT Study Guide (page 855) Sal wastes no time in solving problems 1-6, which involve basic algebra and geometry. He encourages efficient problem solving, noting that on the first...
Khan Academy
SAT Prep: Test 3 Section 4 Part 3
Continuing his lessons on the practice SAT, Sal takes students through problems 10-13, which involve absolute value, comparing angles in a geometric diagram, and finding the median number in a set of consecutive integers. Students will...
Khan Academy
SAT Prep: Test 1 Section 9 Part 1
With a brand new review session, Sal addresses common skills required to take - and pass - the SAT. He uses problems 1-4 on page 423 of The Official SAT Study Guide to demonstrate solving problems with linear equations, ratios, and...
Khan Academy
SAT Prep: Test 7 Section 8 Part 4
Finishing this practice session, Sal takes care to address the last three problems, which are also the most complicated of the set. Problem 14 is a tricky algebra question that results in Sal plugging in the multiple choice answers to...
Khan Academy
SAT Prep: Test 3 Section 2 Part 2
Problem number 6 on the practice SAT involves solving for a distance on a line, which Sal does in about 2 minutes. His method of efficiently (and correctly) solving problems is an excellent model for students who tend to panic at the...
Khan Academy
SAT Prep: Test 2 Section 6 Part 3
Sal's dedication is clear in this video, which takes place on Thanksgiving Day. The problems focus on algebra (averages and linear equations) and geometry (perimeters and angles). Viewers beware: Sal makes a self-professed error on...
Khan Academy
SAT Prep: Test 7 Section 8 Part 1
A new set of SAT practice questions from the Official SAT Study Guide (page 803) greets Sal and the viewer. Problems 1-7 involve basic algebraic equations, linear equations, and geometric figures.
Khan Academy
SAT Prep: Test 8 Section 2 Part 3
Sal deftly solves the straightforward algebraic equation in problem 9 in under fifty seconds. Additional problems involve points on a plane, algebraic word problems, geometric angles, and fractions, some of which he takes more time to...
Khan Academy
SAT Prep: Test 2 Section 6 Part 1
Using The Official SAT Study Guide, Sal begins another review session of eighteen problems, six of which are addressed in this video. The problems involve variables in linear equations, angles and parallel lines, and ratios. One problem...
Khan Academy
SAT Prep: Test 7 Section 5 Part 5
Sal completes problem 20 from this session of the practice SAT (page 796). He draws the parallelogram necessary for solving the problem, and spends a good amount of time explaining the process and method behind the answer. This video is...
Khan Academy
SAT Prep: Test 6 Section 3 Part 4
The strength of this video lies in Sal's ability to immediately translate word problems to equations - a skill that might allow many SAT takers to have a better chance at finding the correct answer. If students watch him practice this...
Khan Academy
SAT Prep: Test 2 Section 9 Part 2
Assisting students with test-taking strategies, especially easier ways to solve multiple choice problems, Sal solves problems 6-9 on page 488 of The Official SAT Study Guide. Skills such as adding angles and solving for integers are the...
Khan Academy
SAT Prep: Test 1 Section 6 Part 5
Back with "more energy," Sal begins his explanation of problems 15-18 on page 412 of The Official SAT Study Guide. Problems include angles of equilateral triangles, rectangles, and graphing slopes.
Scholastic
Study Jams! Tools of Measurement
From temperature and mass, to length and volume, there are many different types of measurement. Expose young learners to a variety of measurement tools using this slide show of real-life pictures. Go through the presentation one image at...
Curated OER
How Do You Find a Scale Factor in Similar Figures?
Three angles of one triangle are equal to the corresponding angles in another triangle. Use a ratio of corresponding sides to find the scale factor. Actually, there are two scale factor values. The instructor will explain how to get both...
Curated OER
Why Are the Angles of Equilateral Triangles Always Equal to 60¼?
Learn how to identify an equilateral triangle by evaluating its congruent sides. Once you've determined that that sides are congruent you'll be able to use the triangle sum theorem to determine the angles in an equilateral triangle. This...
Curated OER
What are Complementary Angles?
Supplementary, obtuse, acute, complementary angles. It's good to know what all of these mean, but let's focus on one at a time. Complementary angles always add up to 90 degrees. So if given one angle in a complementary angle problem, the...
Curated OER
What is a Triangle?
Triangles, triangles, triangles. What makes a polygon a triangle? How many types of triangles are there? How do you determine what kind of triangle it is? Watch this video as the teacher explains 'tri' meaning three, making a triangle -...
Curated OER
What is a Point?
A point is an exact location in space. This tutorial defines the concept of a point as it occurs in graphing, geometry, and algebra. A variety of examples are used to show how important points are and where they'll be seen in the world...
Curated OER
Common Angle Measures
Using a circle with clock like hands, the tutor explains common angle measurements. She shows that a full circular rotation equals 360 degrees, a quarter rotation equals 90 degrees, a three-quarters rotation equals 270 degrees, and a...
Curated OER
What Does Congruent Mean?
Two figures are congruent if they have the same size and shape. Line segments can also be congruent if they are of the same length. Vertical angles created by intersecting lines are always congruent. Polygons that have matching angles...