Curated OER
Worksheet 34 - Antiderivatives
In this antiderivative worksheet, students compute antiderivatives, as well as definite and indefinite integrals. This one-page worksheet contains approximately six multi-step problems.
Curated OER
Glencoe - Proportions and Similar Triangles
In this proportions and similar triangles learning exercise, students solve 14 multiple choice problems. Students find unknown sides of similar triangles using proportions. Students multiply means and extremes to solve proportions.
Curated OER
Going to Extremes: High Anxiety
Students examine the dangers of mountain climbing. After watching a video, they discuss the role of a German research team going into the Alps to predict who is going to adjust to the change in oxygen levels. They discover the...
Curated OER
Cross Multiplying
In this cross multiplying worksheet, students solve 21 equations. Students cross multiply and divide to isolate a variable.
Curated OER
Proportional Ratios
In this proportional ratios worksheet, 9th graders solve 10 different problems that include sets of fractions in each. First, they determine if the product of the means is equal to the product of the extremes. Then, students solve each...
Curated OER
Connecting Measurement
Students participate in activities the connect measurement to geometry, statistics, estimation, and the real world. They collect measurements from their elbow to the tip of their middle finger and make a box plot of the data as well as...
Curated OER
Comparing Candy Bars
Eighth graders identify that a ratio is a comparison of two numbers and that a proportion is an equation that equates two ratios. They identify the extremes and means of proportions, as well as the product of the extremes equals the...
Other
California: Fun Facts About California State Parks
What an EXTREME site! Need to know the height of the tallest redwood? The best view of the world? Oldest Chinese temple in California? Tons of fun facts are listed in a series of links to more information.
Beacon Learning Center
Beacon Learning Center: Arrange a Party
Students use problem solving skills to calculate the range for a set of data and plan a party for friends.
CK-12 Foundation
Ck 12: Algebra: Proportions With Variable in the Denominator
[Free Registration/Login may be required to access all resource tools.] Use cross products to solve proportions with a variable in the denominator
CK-12 Foundation
Ck 12: Arithmetic: Proportions Using Cross Products
[Free Registration/Login may be required to access all resource tools.] In this lesson students use cross products to solve proportions and find the value of the missing variable. Students examine guided notes, review guided practice,...
Wolfram Research
Wolfram Math World: Extremum Test
With this site one may understand how to test a point in a function for a relative minimum, maximum, saddle point, or none of these, by taking derivatives of the function. Explains and performs what is known as the "Extremum Test."
Sophia Learning
Sophia: Equivalent Ratios: Lesson 5
This lesson will introduce the means and extremes of a proportion, and demonstrate how to use cross multiplication to determine if two ratios are equivalent. It is 5 of 8 in the series titled "Equivalent Ratios."
Sophia Learning
Sophia: Equivalent Ratios: Lesson 8
This lesson will introduce the means and extremes of a proportion, and demonstrate how to use cross multiplication to determine if two ratios are equivalent. It is 8 of 8 in the series titled "Equivalent Ratios."
Wyzant
Wyzant: Solving a Proportion
WyzAnt has a diagram that shows the means and extremes of a proportion. You will also find a brief description and examples for the means and extremes.
Wyzant
Wyzant: Proportion Basics
WyzAnt provides an explanation and examples on solving proportions. Proportions practice problems and a proportion calculator are included in this lesson.
Wyzant
Wyzant: Basics of Proportions
This tutorial from WyzAnt on proportions describes in detail the functions of proportions and includes several examples to demonstrate how to solve proportions. The tutorial is concluded with an interactive worksheet that allows for...