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308 resources with the keyterm ratios

Videos (Over 2 Million Educational Videos Available)
Prepositional Phrases for Kids | English Grammar Video Video
11:22
Prepositional Phrases for Kids | English...
Phonics Song 2 (new version) Video
2:54
Phonics Song 2 (new version)
How to paint a watercolor and ink flower bouquet | Watercolor Flower Painting Video
6:54
How to paint a watercolor and ink flower...
Other Resource Types (308)
9:34
Lesson Planet

Similar Triangles

For Students 9th - 10th
Although a rather complicated topic, this video manages to clearly explain the concept of solving problems involving similar triangles. It employs problem solving to determine whether two figures are similar triangles. In addition, it...
9:55
Lesson Planet

Similar Triangles (Part 2)

For Students 9th - 10th
Building on concepts in the first part of the series on similar triangles, installment number two explores how to find the values for given angles in a triangle. These problems are solved by using algebra and ratios. A step-by-step...
3:56
Lesson Planet

Introduction to Ratios

For Students 7th - 9th
Demonstrating the concept of ratios with several simple examples (animals, fruit, girls and boys in class), Sal guides viewers through the process of finding and simplifying ratios. Even those who have a hard time grasping the concept of...
10:02
Lesson Planet

SAT Prep: Test 5 Section 3 Part 1

For Students 9th - 12th
Sal starts a new set of practice SAT problems in this video, starting on page 652 of The Official SAT Study Guide. Problems involve fractions and ratios, simplifying equations, and finding the perimeter of given coordinates on a plane.
10:02
Lesson Planet

SAT Prep: Test 4 Section 8 Part 2

For Students 9th - 12th
Young mathematicians will appreciate Sal's careful - yet efficient - methods for solving these typical SAT problems. He takes care to explain problems 8-12, but gets cut off in the middle of problem 12 (to be continues in the next video).
9:40
Lesson Planet

SAT Prep: Test 1 Section 9 Part 1

For Students 9th - 12th
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...
9:25
Lesson Planet

SAT Prep: Test 5 Section 9 Part 1

For Students 9th - 12th
Reasoning through the methodology of a new set of problems from page 679 of The Official SAT Study Guide, Sal shows students how to find the ins and outs of increasingly difficult math problems. He advises them to thoroughly think over...
10:00
Lesson Planet

SAT Prep: Test 2 Section 6 Part 1

For Students 9th - 12th
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...
8:30
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

Go For the Gold

For Teachers 6th - 8th Standards
Go for gold to understand the concept of the Golden Ratio. Learners measure their faces, their nose length, eye space, mouth location, etc. This information is used to determine the ratios of their facial features in order to determine...
9:55
Lesson Planet

SAT Prep: Test 7 Section 5 Part 4

For Students 9th - 12th
Transitioning between algebra and geometry is no problem for Sal as he deftly solves these practice SAT problems. Mathematicians who have a hard time moving between skill sets will appreciate the way that Sal addresses each new problem...
2:31
Lesson Planet

Finding Unit Rates

For Students 5th - 7th Standards
Watch this video to see how Sal solves a word problem where he must determine how many newspapers are delivered each hour. This is a great word problem involving unit rate, ratios, and division.
Lesson Planet

Constant Dimensions

For Teachers 6th - 8th Standards
You can't often tell pupils that units don't matter ... but in this case, you'd be right! Math scholars discover the magic of the constant dimensions of a rectangle through a creative lesson plan. Partners perform measurements of...
4:12
Lesson Planet

How Do You Find a Scale Factor in Similar Figures?

For Teachers 6th - 10th
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...
4:54
Lesson Planet

What are Equivalent Ratios?

For Teachers 6th - 8th
Work through a word problem with the help of a video tutor. You'll learn how equivalent ratios are just like equivalent fractions. Write a ratio as a fraction, reduce each ratio, then determine if they are the same. It's as simple as that!
1:42
Lesson Planet

Map Scale and Ratios

For Teachers 3rd - 8th
Introduce you map scale and ratios lesson with this informative video. A student demonstrates how to properly use a scale on a map, as well as read a topographic map. This is a fantastic video to show during your map unit!
4:48
Lesson Planet

How Do You Find a Scale Factor in Similar Figures?

For Teachers 6th - 12th
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...
Lesson Planet

Ratios And Scale

For Teachers 9th - 12th
students investigate the concept of using a ratio in the work of construction and solve problems using real life applications. They read descriptions of how various types of construction professionals use ratios on the job. The...
Lesson Planet

Sentence Based Ratios and Proportions Worksheet

For Students 5th - 6th
In this ratios and proportions worksheet, students read each sentence and write the indicated ratio on the blank line. They complete 7 examples.
Lesson Planet

Ratios for Area and Volume

For Teachers 5th - 8th
In this ratios for area and volume worksheet, students solve problems where they find the ratios for problems of shapes dealing with area and volume. Students complete 4 problems.
Lesson Planet

Shaquille O'Neal Hand/Foot Span: Student Worksheet

For Students 4th - 6th
Here's a clever math learning exercise that has learners measure their hand span, foot length, come up with a ration, then use that information to figure out the hand span, and foot length of basketball giant Shaquille O'Neal. A good...
Lesson Planet

Chances Are......You're Right

For Teachers 5th - 6th
Young mathematicians study probability. In this math lesson, learners calculate odds, and convert those into percentages of probability. Fractions are also used, making this lesson quite rich in some of the more difficult conversions...
Lesson Planet

Understanding Probability/Family Fun

For Students 6th - 7th
Use this probability worksheet to have learners complete problems where they list items that are likely or unlikely, list possible outcomes, write ratios, and more. Pupils complete 14 problems.
Lesson Planet

Shaquille O'Neal Hand/Foot Span

For Students 6th - 7th
Shaquille O'Neal has huge hands and feet, and learners will use those two measurements to practice collecting and extrapolating data using ratios. They record the measurement of foot and hand span of several of their classmates, then...