Khan Academy
Khan Academy: Units
In this exercise, students solve word problems that involve using different units. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Rates With Fractions: Practice
Practice computing rates associated with ratios of fractions or decimals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Arcademics
Arcademics: Dirt Bike
Solving proportions by finding the missing part and advance your dirt bike to the finish line.
Virtual Nerd
Virtual Nerd: How Do You Solve a Word Problem Using Unit Rates?
Word problems allow you to see the real world uses of math! This tutorial shows you how to take a rate and convert it to a unit rate. Then, you can use that unit rate to calculate your answer. Watch this tutorial to learn all about it!
Khan Academy
Khan Academy: Percent Word Problems
Practice solving word problems involving percents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Measurement: Distances or Dimensions Given Scale Measurements
[Free Registration/Login may be required to access all resource tools.] Read and interpret scale drawings and floor plans to find scale dimensions and actual dimensions
Other
Mathpower: Math Fundamental Assignments
Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...
Free Math Help
Free Math Help: Direct Variation
The discussion examines direct variation. Students learn about the math concept through definitions and sample exercises.
CK-12 Foundation
Ck 12: Algebra: Linear Equations Study Guide
This comprehensive study guide highlights the main terms and formulas needed to understand linear equations. Examples are included.
PBS
Pbs Learning Media: Math + Arts: Dragon Scales
In this lesson, students create a class mural by using scale, ratio, and proportion. Media resources and teacher materials are included.
PBS
Pbs: Scale City: One Dimensional Scaling in the Real World
In this video, life-size replicas help demonstrate one-dimensional scaling and the ratio relationship between two real-world quantities. The accompanying classroom activity helps students understand how ratios and proportions can help...
Science Education Resource Center at Carleton College
Serc: Take a Deep Breath on the Appalachian Trail
A lesson plan that includes a PowerPoint learning module for students. They will examine spreadsheet data on air quality in Great Smoky National Parks, and solve problems using ratio and proportion. The exercises will help them to...
Texas Instruments
Texas Instruments: Picturing Probabilities of Number Cube Sums
Students use ideas of ratio and proportion to investigate various ways to make a circle graph. Students create graphs to display the probabilities of the different sums that can be generated with two number cubes. [Requires Adobe Reader.]
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.
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.
Math.com
Math.com: Similar Figures
This example provides a clear explanation of how to compare figures to see if they are similar and the formula to determine if the ratios are equal. Interactive practice activities are provided.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Similarity
This site contains a lesson plan for high school age learners. The objective is to discover the factor of proportionality in similar polygons and to relate this factor to the perimeters and areas of similar polygons.
Illustrative Mathematics
Illustrative Mathematics: 6.g Painting a Barn
This task asks students to determine the area of the exterior walls of a barn and to calculate how many gallons of paint would be needed to cover them, as well as the cost of the paint. Aligns with 6.G.A and 6.RP.A.3.
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: Arithmetic: Unit Rates
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn to find unit rates. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
CK-12 Foundation
Ck 12: Measurement: Unit Scale to Find Actual Dimensions
[Free Registration/Login may be required to access all resource tools.] Identify unit scale and use unit scale when problem solving.
CK-12 Foundation
Ck 12: Arithmetic: Decimals as Percents
[Free Registration/Login may be required to access all resource tools.] Write percents as decimals and decimals as percents
Math Playground
Math Playground: Problem Solving Videos
"Rated 'M' for middle school," Math TV invites you to tune in each week for videos of word problems being solved. Back episodes are available in subjects such as percentages, number sense, and fractions. Watch a problem worked out, then...
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.
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