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...
Sophia Learning
Sophia: Weighted Average
This lesson will introduce the meaning of weighted average, and demonstrate how to solve for the weighted average of a data set. Students can look at a presentation and then take an online quiz.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Tax and Tip
This site provides a problem with completed solutions for that problem. This problem covers the topic of sales tax and tips. The problem aligns with 7.RP.A.3.
Mangahigh
Mangahigh: Number: Working With Ratios
Deterime the ratios of amounts to one another and then simplify.
Rice University
Rice University: Cynthia Lanius: All About Ratios
Make Texas chili as you learn about ratios in this interactive lesson. Students get immediate feedback on their responses and teachers have access to online assessment.
Illustrative Mathematics
Illustrative Mathematics: 6.rp Converting Square Units
For this task, 6th graders must inches to feet in order to find the area of a rectangular board and explain the error in the calculations made by the board owner. Aligns with 6.RP.A.3.
Other
Helping With math.com: Ratios and Unit Rates
This site contains a lesson about ratios and unit rates as well as guided and independent practice for learners to review the skills.
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.
Khan Academy
Khan Academy: Ratio Tables
Practice filling out tables of equivalent ratios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Ratio Word Problems
Practice solving ratio word problems like, "If Ben reads 10 pages in 15 minutes, how long does it take him to read 40 pages?" Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Illustrative Mathematics
Illustrative Mathematics: 6.rp Jim and Jesse's Money
In this real-world context, 6th graders are given the ratio of Jim's money to Jesse's and the amounts they have spent so far on a road trip, and they must calculate what each person had at the start of the trip. Aligns with 6.RP.A.3.
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: Identification and Writing of Equivalent Rates Grade 6
[Free Registration/Login may be required to access all resource tools.] Convert ratios to rates and then compare the rates.
University of Cambridge
University of Cambridge: Maths and Sports: The Fastest Cyclist
As a coach for a long distance cyclist, can you come up with a race plan to help him win his ride from Lands End to John o' Groats? This activity is a more challenging follow-on from Nutrition and Cycling and is aimed at secondary...
Illustrative Mathematics
Illustrative Mathematics: 7.rp the Price of Bread
The purpose of this task is for middle schoolers to calculate the percent increase and relative cost in a real-world context. This task is part of a set collaboratively developed with Money as You Learn, an initiative of the President's...
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.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Stock Swaps, Variation 2
Microsoft Corp. wants to acquire 1.5 million shares of Apple Corp. that are worth \$374 per share and is willing to swap Microsoft Corp. shares at \$26 per share. How many shares (to the nearest share) do they need to offer to get an...
Illustrative Mathematics
Illustrative Mathematics: 7.rp Stock Swaps, Variation 3
A multi-step performance task word problem: Microsoft Corp. has made an offer to acquire 1.5 million shares of Apple Corp. worth $374 per share. They offered Apple 10 million shares of Microsoft worth $25 per share, but they need to make...
CK-12 Foundation
Ck 12: Arithmetic: Ratios
[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios to model real-world scenarios. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Algebra: Applications Using Linear Models
[Free Registration/Login may be required to access all resource tools.] In this lesson students use problem-solving strategies and a plan to solve real-world dilemmas. Students watch a video tutorial, explore guided notes and attempt...
Scholastic
Scholastic: Study Jams! Math: Algebra: Ratio
Explore word problems about ratios and watch and listen to all the steps needed to solve.
Sophia Learning
Sophia: Weighted Average and Mixture Problems
This lesson will demonstrate how to solve mixture problems using weighted averages. Students can explore a PowerPoint presentation and then take an online quiz.
Illustrative Mathematics
Illustrative Mathematics: 7.rp,ee Gotham City Taxis
The purpose of this task is to give students an opportunity to solve a multi-step ratio problem that can be approached in many ways. The site includes a task and the solution.
Illustrative Mathematics
Illustrative Mathematics: 6.ee,rp 7.ee,rp Anna in d.c.
The purpose of this task is to give students an opportunity to solve a multi-step percentage problem that can be approached in many ways. Because the tax and tip in this problem are a fixed percentage of the cost of the meal, the total...
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