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EngageNY
Ratios and Unit Rates
This turn-key unit on ratios and unit rates walks through a 30-lesson unit on teaching proportional reasoning, with each lesson broken into detailed teaching notes and time allotments for all parts. An unbelievable resource when taken...
National Security Agency
It's Probably Probable
Learners make predictions and draw conclusions from given information as they learn the meaning of probability in this vocabulary-rich, integrated activity that presents a variety of teaching strategies to motivate and reach...
Curated OER
What's Math Got To Do With It?
Students explore numbers, computation, ratios, proportions, probabilities, statistics, and money in this six lessons unit. Practical applications in the real world are emphasized through an interactive approach to math in these lessons.
Radford University
Sleep and Teen Obesity: Is there a Correlation?
Does the number of calories you eat affect the total time you sleep? Young mathematicians tackle this question by collecting their own data and making comparisons between others in the class through building scatter plots and regression...
Mangahigh
Mangahigh: Number: Percent Increase and Decrease Calculator
Students learn about the concept of percent change by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
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...
PBS
Pbs: The Lowdown: The Math of Trash: Percents and Proportions
Discover how percents and proportions help explain issues like climate change, composting, and zero waste in this video from KQED. In the accompanying classroom activity, students estimate the percentage of various types of trash that...
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
BBC
Bbc Skillswise: Percent and Fractions: Ratio and Proportion
Activities and factsheets exploring ratios and proportions in everyday life. Interactive, colorful, and fun.
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: Percents as Fractions
[Free Registration/Login may be required to access all resource tools.] Write percents as fractions in simplest form
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: Arithmetic: Proportions to Find Percent, P
[Free Registration/Login may be required to access all resource tools.] In this lesson students use proportions to find percents. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...
PBS
Pbs: The Lowdown: Percents Combined: Proportional Relationships With Multistep Ratio and Percent Problems
Learn how to calculate sale price when combining two "percent-off" discounts in this video from KQED. In the accompanying classroom activity, students develop and share a variety of strategies, including modeling with a 10 x 10 grid to...
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: Arithmetic: Fractions as Percents Grade 6
[Free Registration/Login may be required to access all resource tools.] Convert given fractions into percentages.
CK-12 Foundation
Ck 12: Measurement: Scale Distances or Dimensions
[Free Registration/Login may be required to access all resource tools.] Recognize unit scale as a ratio between units of measure of scale dimension to actual dimension.
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...
Khan Academy
Khan Academy: Markup and Commission Word Problems
Practice solving word problems involving price markups and commission fees. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Discount, Tax, and Tip Word Problems
Practice solving word problems involving price discounts, taxes, and tip calculations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Saddleback College
Algebra2 Go: Prealgebra
The resource consists of comprehensive learning tools such as class notes, video lectures, and templates through which students can review prealgebra topics.