Shmoop University
Shmoop: Ratios & Percentages: Estimating Percentages
The mathematics tutorial examines how to estimate percentages using shortcuts. Students learn about the concept through notes, examples, and practice problems.
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
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.
Better Lesson
Better Lesson: Give Me 100%.
Understand the connection between ratio, percents, and fractions.
Better Lesson
Better Lesson: Show What You Know + Equivalency
What do students understand? What gaps do they have in their understanding? How are fractions, decimals, and percents connected?
PBS
Pbs: Real Life Math: Physical Trainer
The general manager of a fitness center explains how numerical calculations, percentages, and ratios are critical to his job in this video from KAET. In the accompanying classroom activity, students explore percentages, fractions, and...
Illustrative Mathematics
Illustrative Mathematics: 6.rp Dana's House
Students use ratio and rate to solve this real-world math performance task: The lot that Dana is buying for her new one story house is 35 yards by 50 yards. Dana's house plans show that her house will cover 1,600 square feet of land....
TeachEngineering
Teach Engineering: A Chance at Monte Carlo
At its core, the LEGO MINDSTORMS product provides a programmable microprocessor. Students use the EV3 processor to simulate an experiment involving thousands of uniformly random points placed within a unit square. Using the underlying...
Teaching Treasures Publications
Teaching Treasures: Year Seven Math (Page 2)
Explore fractions in geometric shapes using this interactive worksheet. Concepts include ratio, fractions to decimals, decimals to fractions, and percent. Immediate feedback is given to responses.
McGraw Hill
Glencoe: Self Check Chapter Test Using Proportional Reasoning
The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review proportional reasoning.
Other
Center School District: Everyday Math Resources
Everyday Math Resources for 5th grade is an excellent resource for both students and teachers. Twelve math strands are linked to activities and interactive games that support the learning outcomes. Click on links at the top to access...
Mangahigh
Mangahigh: Number: Find a Fraction of an Amount Simple Examples
Convert between fractions, percents, and decimals.
Science Education Resource Center at Carleton College
Serc: Molar Relationships: Observing a Single Displacement Reaction
In this chemistry lab, students will investigate a single replacement reaction while also using knowledge of molar ratios to determine percent yields.
CK-12 Foundation
Ck 12: Probability: Measurement of Probability Grade 6
[Free Registration/Login may be required to access all resource tools.] Express probability in the form of a fraction, decimal, or percent.
That Quiz
That Quiz: Practice Test: Fractions
This resource allows users to test their knowledge of fractions. Express fractions, mixed fractions, decimals, percents and ratios in lowest terms.
Illustrative Mathematics
Illustrative Mathematics: 6.ee,rp 7.ee,rp Anna in d.c.
The purpose of this task is to give learners 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...
PBS
Pbs: The Lowdown: Poverty Trends: What Does It Mean to Be Poor in America?
Use math to learn about changes in US wealth distribution and poverty rate over time in this interactive from KQED. In the accompanying classroom activity, students interpret the graphs and consider how the poverty rate spike following...
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.
Illustrative Mathematics
Illustrative Mathematics: 7.rp.3 Lincoln's Math Problem
The purpose of this task is for middle schoolers to solve a multi-step problem involving simple interest. The Aligns with 7.RP.A.3. The task provides both a problem and the solution.
AAA Math
Aaa Math: Aaa Math Lessons
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
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...
ClassFlow
Class Flow: Sales Tax
[Free Registration/Login Required] In this flipchart, students apply ratio, percent, and direct proportion in situations. Students solve problems involving percentages such as percent increase/decrease, tax, commission, and discount.
Sophia Learning
Sophia: Measurement Comparisons: Lesson 3
This lesson explains how to compare measurements using ratios. It is 3 of 5 in the series titled "Measurement Comparisons."
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.
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