Curated OER
You Can't Go Wrong with a Right Triangle 2
Upper graders use the properties of right angle trignonmetry to measure objects such as the school flagpole. They solve real world problems using these properties.
Curated OER
Roofing and Right Triangles
Learners use models and symbols to represent properties of the Pythagorean Theorem. In this right triangle lesson, students connect real jobs to properties of right triangles. They solve word problems applying the correct ratios and...
Curated OER
A Woman's Place?
In this women workers lesson, students read an article about women in the workforce and answer 10 questions related to the article. They also convert fractions to percentages.
Bowland
Highway Link Design
Discover a renewed appreciation for the highway transportation department. with a lesson that has scholars design a highway route that meets certain conditions, including traffic flow, curves, speed limits, financial costs, and...
Mathematics Assessment Project
Suzi's Company
Don't use an average resource ... use this one. As a middle school assessment task, learners first determine mean, median, and mode of salaries given in a frequency table. They then investigate how a change in one value changes the...
Inside Mathematics
Suzi's Company
The mean might not always be the best representation of the average. The assessment task has individuals determine the measures of center for the salaries of a company. They determine which of the three would be the best representation...
Curated OER
More on Rounding Whole Numbers
In this rounding learning exercise, students solve 6 word problems where they must round numbers between 6 and 9 digits to the nearest thousand, ten-thousand, hundred-thousand, ten-million or hundred-million in order to arrive at a...
Curated OER
Octagon Lesson Plan
Students investigate octagons using words and shapes. In this geometry lesson plan, students discuss the shape of an octagon using physical and symbolic models. They make conjecture about the shape and relate it to the real world.
Curated OER
Lines of Fit
Students graph an equation and analyze the data. In this algebra lesson, students graph scatter plots and identify the line of best fit using positive correlation, negative correlation an d no correlation. They apply their data analysis...
Curated OER
Money and Banking
Students investigate percents and interest. For this algebra lesson, students invest money in a bank account and calculate the interest rate they receive over time. They convert percents to decimals and solve problems using percents.
Curated OER
The Winchester Census Problem
In this secondary mathematics worksheet, students determine solution to a riddle involving the census and the ages of the children in the household. The one page worksheet contains one problem. Answer is provided.
Curated OER
What's the Cost?
Students consider what things cost 150 years ago and what those costs would be in today's money. They compare costs and services between the 1850s and today to find out if things are cheaper or more expensive today, in inflation-adjusted...