CK-12 Foundation
Ck 12: Arithmetic: Prices Involving Sales Tax Grade 6
[Free Registration/Login may be required to access all resource tools.] Find the percentage of a total price in order to determine an amount of sales tax.
CK-12 Foundation
Ck 12: Arithmetic: Tip Estimation
[Free Registration/Login may be required to access all resource tools.] In this lesson students estimate 15% of a total price to estimate tips. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Geometry: Indirect Measurement
[Free Registration/Login may be required to access all resource tools.] In this lesson students find unknown measurements indirectly using the ratios and proportions of similar figures. Students examine guided notes, review guided...
CK-12 Foundation
Ck 12: Geometry: Indirect Measurement
[Free Registration/Login may be required to access all resource tools.] In this lesson students use similar triangles and proportions to find measurements indirectly. Students examine guided notes, review guided practice, watch...
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: Geometry: Proportion Properties
[Free Registration/Login may be required to access all resource tools.] Apply proportion properties.
CK-12 Foundation
Ck 12: Algebra: Scale and Indirect Measurement Applications
[Free Registration/Login may be required to access all resource tools.] Use map scales and proportions to solve for unknown distances.
CK-12 Foundation
Ck 12: Proportion Properties
[Free Registration/Login Required] Students will complete the interactice activity to explore proportions and solve the equation. Click learn more to watch a video and click challenge me to answer a practice question.
CK-12 Foundation
Ck 12: Geometry: Indirect Measurement
[Free Registration/Login may be required to access all resource tools.] Recognize similarity and use similar figures to solve problems by using indirect measurement
CK-12 Foundation
Ck 12: Geometry: Parallel Lines and Transversals
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to use the Triangle Proportionality Theorem with multiple parallel lines.
CK-12 Foundation
Ck 12: Geometry: Proportion Properties
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to set up and solve proportions.
CK-12 Foundation
Ck 12: Measurement: Conversion of Systems of Measure
[Free Registration/Login may be required to access all resource tools.] This lesson covers changing units of measure into another unit of measure.
CK-12 Foundation
Ck 12: Measurement: Distances or Dimensions Given Scale Measurements
[Free Registration/Login may be required to access all resource tools.] Find actual distances or dimensions using a given scale, ratio, or proportion.
CK-12 Foundation
Ck 12: Measurement: Scale Distances or Dimensions
[Free Registration/Login may be required to access all resource tools.] Find scale dimensions using actual measurements and a ratio or proportion.
CK-12 Foundation
Ck 12: Arithmetic: Proportions to Find Base B
[Free Registration/Login may be required to access all resource tools.] In this lesson students use the cross products of proportions to find base b in percent problems. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Arithmetic: Proportions to Find Part A
[Free Registration/Login may be required to access all resource tools.] In this lesson students use a proportion to find part a of the percent proportion. Students examine guided notes, review guided practice, watch instructional videos...
Khan Academy
Khan Academy: Identify Proportional Relationships
Practice telling whether or not the relationship between two quantities is proportional by analyzing word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Khan Academy
Khan Academy: Interpreting Graphs of Proportional Relationships
Practice reading and analyzing graphs of proportional relationships. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Measurement: Unit Scale to Find Actual Dimensions
[Free Registration/Login may be required to access all resource tools.] Use unit scale to find actual dimensions from scale models, drawings or maps.
Annenberg Foundation
Annenberg Learner: Part C: Fibonacci Numbers
Look at an interesting application of ratios that demonstrates the amazing patterns that emerge when we examine mathematics. The Fibonacci numbers are found in art, music, and nature.
Other
Nm Learning Games Lab: Math Snacks
Games and videos, each accompanied by guidelines for teachers and students, cover math topics such as proportion, ratio, number line, scale, and measurement. Downloads are available for iPad, iPhone, and iPod Touch.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Ratio, Proportion, and Percent
Students show comprehension of basic arithmetic skills. The online test assesses scholars on ratios, proportions, and percents.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Proportionality
This lesson plan explores how to recognize and represent proportional relationships between quantities.