Curated OER
Math Regents Exam Questions: Proportions
In this proportions learning exercise, students solve 1 multiple choice question. Students determine the amount of milk needed to keep a cake recipe proportional.
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Ratio and Proportion
In this ratio and proportion worksheet, students solve 22 short answer and multiple choice problems. Students use rates, proportions, and ratios to solve each problem.
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Using Proportions
In this similarities worksheet, students set up ratios and solve proportions using algebra. All of the equations turn out to be linear with no quadratics to solve. There are 20 questions.
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Solving Equations Using Two Operations
Need more detail in showing your class how to solve two-step equations and proportions? This lesson plan outlines the steps young mathematicians need to solve simple equations and check their results.
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Applications Using Rational Equations
Algebra learners explore the concept of writing equations using rational expressions. This work sheet contains a number of word problems including reciprocal number problems, work problems, and problems can that be solved using...
Illustrative Mathematics
Find the Change
This exercise is an opportunity for algebra learners to understand the connection between the slope of a line and points found on the line. Use similar triangles to explain why slope m is the same between any two points. Discuss with the...
Curated OER
Our Solar System - Comparing Planetary Travel Distances
NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...
Curated OER
Ratios and Proportions
This study guide would be great to use when presenting a lesson on ratios and proportions. It includes clear definitions, explanations, and examples to work through as a class or individually. In addition, it has notes on rates and...
EngageNY
Sampling Variability in the Sample Mean (part 2)
Reduce variability for more accurate statistics. Through simulation, learners examine sample data and calculate a sample mean. They understand that increasing the number of samples creates results that are more representative of the...
Curated OER
Algebra 1: Slope as Rate
Students solve problems with slopes. In this algebra lesson, students identify the slope of a line and relate it to the rate of change. They graph their lines on the TI and observe changes in the lines.
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Calculate the Slope of a Line Using Two Points
Find that slope! This video does an excellent job of demonstrating how to use the slope formula to find the slope of a line using two points. The instructor first reviews the definition of slope of a line, then works three problems using...
Curated OER
Ratio, Proportion And Percent Worksheet
In this math instructional activity, students examine the answers to a formal assessment focusing on the concepts of ratio, proportion, and percent.
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Ratio, Proportion And Percent
In this math worksheet, students evaluate and compare the ratios. They also compare the fractions by solving the proportions.
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Proportions
Students examine the mathematical concept of proportions in an attempt to apply them in various types of problems. The real application of proportions is often found in word problems which requires a them to also practice a systematic...
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Proportional Problems 1
Eighth graders explore representing fractions as ratios and proportions. They model proportions through the use of blocks, LEGO gears and activities with bicycle gears and pedals. Students work with bicycle gear boxes to observe and...
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 all learning...
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Using Proportions to Estimate
Students calculate ratio and proportion. In this unit rates lesson, students estimate using proportions and find their errors in doing so. They calculate unit rates and define the concept of unit rates.
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Using Proportions
In this using proportions worksheet, 10th graders solve 9 various types of problems that include two word problems suing proportions. First, they use the table to find the ratios of each and express each ratio as a decimal rounded to...
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Ratio & Proportion for Algebra I
In this ration & proportion for Algebra I worksheet, students answer twenty-three word problems involving ratio and proportion.
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Bagel Algebra
Ninth graders apply proportional reasoning to a real-life situation. In this Algebra I lesson, 9th graders explore a series of equations that relate to a display sign that compares the owner’s bagels to competitors bagels. Students...
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Solving Proportions
In this proportions learning exercise, students solve 20 proportions. Students multiply the means and extremes in order to find a missing variable.
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Solve for Scale Factors Using Proportions
Eighth graders solve problems using proportions with scaled drawings. They work with maps and blue-prints discussing scales and plans and examine different polygons and figure out the scale factors or proportions they have been changed by.
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Proportions a/b=c/d
Students calculate distance and proportion of objects. For this algebra lesson, students define proportion and how it is used in math. They solve the problem through guided instruction.
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Pedal Power
Employ proportional reasoning and algebraic understanding to a determine a real world math quandary. Intel has created a project based unit to engage learners in using algebra to describe the physical world. They will create equations,...