CK-12 Foundation
Ck 12: Algebra: Rational Equations Using Proportions
[Free Registration/Login may be required to access all resource tools.] Learn how to solve rational equations using proportions.
CK-12 Foundation
Ck 12: Arithmetic: Fractions as Percents Grade 7
[Free Registration/Login may be required to access all resource tools.] Write fractions as percents by using proportions and equal ratios.
CK-12 Foundation
Ck 12: Chemistry: Law of Definite Proportions
[Free Registration/Login may be required to access all resource tools.] Explains the law of definite proportions.
Texas Education Agency
Texas Gateway: Selecting and Using Appropriate Forms of Rational Numbers
Given real-life problems, the student will select an appropriate method and solve problems involving proportional relationships.
Texas Education Agency
Texas Gateway:use Proportional Relations to Find Missing Measurements 2 D Figures
Given pictorial representations and problem situations of 2-dimensional figures or 3-dimensional figures, the student will use proportional reasoning to find a missing measurement.
Math Playground
Dirt Bike Proportions: Race by Finding Equivalent Ratios.
Proportions where students determine the missing number to make the proportion true.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Proportions
Practice using your graphing calculator for proportion problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Proportions
Practice using your graphing calculator for solving proportion problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
CK-12 Foundation
Ck 12: Arithmetic: Proportions
[Free Registration/Login may be required to access all resource tools.] In this lesson students write and solve proportions. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
CK-12 Foundation
Ck 12: Arithmetic: Proportions
[Free Registration/Login may be required to access all resource tools.] In this lesson students recognize proportions as a statement of equivalent ratios. Students examine guided notes, review guided practice, watch instructional videos...
CK-12 Foundation
Ck 12: Arithmetic: Proportions
[Free Registration/Login may be required to access all resource tools.] In this lesson students write proportions and then solve proportions by using equivalent rates. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Arithmetic: Proportions to Find Scale Ratios
[Free Registration/Login may be required to access all resource tools.] In this lesson students find a scale, ratio, or proportion given actual and scale dimensions. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Geometry: Unknown Measures of Similar Figures
[Free Registration/Login may be required to access all resource tools.] Find unknown side lengths in similar figures.
CK-12 Foundation
Ck 12: Arithmetic: Equations With Ratios and Proportions
[Free Registration/Login may be required to access all resource tools.] Learn how to use ratios and proportions to solve problems.
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 identify proportions by cross multiplying or simplifying ratios. Students examine guided notes, review guided practice, watch instructional...
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,...
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 write proportions and then solve proportions by using cross-products. Students examine guided notes, review guided practice, watch...
Discovery Education
Discovery Education: Web Math: Proportions
This WebMath site provides a general description of proportions. Content also includes a 'problem solver' which lists step-by-step instructions on how to obtain the correct answer.
Sophia Learning
Sophia: Similarity
This learning tutorial describes the characteristics of similar figures and how to use scale factor and proportions to determine missing side lengths. The lesson includes PowerPoint presentations and videos demonstrating how to solve...
ABCya
Ab Cya: Equal Proportions: Dirt Bike Proportions
Start your engines! This racing game will speed up your math skills by challenging players to find equivalent fractions. The faster you solve the problems the faster the bike goes.
Other
Augusta Technical College: Solving Percent Problems [Pdf]
Study sheet explains how to solve three different percent problems including finding the part, the percent, and the whole.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Solving a Ratio With & Without a Diagram
A student is searching for a solution to a ratio question without using a diagram. Dr. Math helps to break it down both with and without a diagram. An understanding of fractions, multiplication, and basic algebra is necessary to get this...
Texas Instruments
Texas Instruments: Determining Sample Size for a Given Margin of Error
This set contains questions about statistics involving how to choose a sample size to fit a desired maximum error bound. The student learns to do this on confidence intervals for proportions as well as confidence intervals for means.
Math Planet
Math Planet: Algebra 1: Calculating With Percents
Provides examples and a video lesson that illustrates how to solve percent problems.