Curated OER
Sore Throats, Variation 1
Why does Nia's water taste saltier than Trey's if she put more into her cup than he did? Math masters set up proportions in order to compare the mixtures. This task effectively has learners apply the concepts of ratio and proportion to a...
Curated OER
Solving for Missing Proportions
In this missing proportions activity, students solve for the variables that appear in the proportions with one, two, and three digit numbers. Students complete 10 problems total.
Curated OER
Simplifying Ratios
In this simplifying ratios learning exercise, 10th graders solve and complete 24 various types of problems. First, they complete each ratio and reduce when necessary. Then, students find the length and width of each rectangle described....
Curated OER
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.
Curated OER
Family Letter - Foreign Currency and Exchange Rates: Proportions and Ratios
In this proportions and ratios worksheet, students solve 6 short answer problems. Students find the foreign currency exchange rates for six countries. Students express the exchange rate as a proportion or ratio.
Curated OER
Use Proprotions To Solve Word Problems
Eighth graders explore ratios and proportions and how they are used in day to day life. As an activity, they find their own heart rate and then take a survey of other heart rates in the room. After organizing the data, 8th graders use...
Curated OER
Ratios
Sixth graders pariticipate in a lesson that focuses on the finding of a ratio and using it to set up a proportion in realtionship to creating a scale drawing. This is done using given problems. It would be valuable for students to have...
Curated OER
Measurement of Objects Using Similar Triangles in The Plane
Students use similar triangles and a sight tool to find the height and distance between large objects. For this similar triangles lesson plan, students use a constructed sight tool to measure the distance and height of an object using an...
Curated OER
Kuta Software - Infinite Geometry: Similar Triangles
In this similar triangles activity, students solve 20 short answer problems. Students determine if two given triangles are similar. Students determine the type of similarity given two triangles. Students are given a sketch of the...
Curated OER
Simple Interest
Eighth graders practice finding simple interest and apply their findings to real-world situations. They work with percents in the form of commission and sales taxes. After completing an assignment during independent practice, they are...
Mathematics Vision Project
Circles: A Geometric Perspective
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
Curated OER
Worksheet 9 - Spring 1996
For this math worksheet, students state the tests for convergence or divergence of a series. Then they apply the tests of convergence and divergence.
Alabama Learning Exchange
I Scream for Ice Cream!
Students perform an experiment. In this combinations lesson, students complete an experiment where they find out how many ice cream cone combinations they can make with 5 different flavors of ice cream and 4 types of cones. They design a...
Curated OER
Fickled Fractions
Students explore which fractions are made real in our world. They also show the relationship of cross multiplication and equivalent fractions To reinforce fraction skills.
Curated OER
Different Perspectives of Oregon's Forest Economic Geography
Students map data on employment in wood products manufacturing in Oregon counties. In this Oregon forest lesson, students discover the percentage of people employed in the forest manufacturing industry. Students create a box and whisker...
Curated OER
Different Perspectives of Oregon's Forest Economic Geography
Learners locate the many forests located in Oregon. In groups, they use the internet to research employment data on wood products made in the state. They discuss how looking at information presented in a different way can change their...