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Curated OER
Inscribing a Circle in a Triangle
Pupils investigate inscribing a circle in a triangle. They use Cabri Jr. to draw a triangle, locate the incenter, and use the distance from the incenter to a side of the triangle to inscribe a circle. The dynamic nature of the geometry...
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Match Me!
Young learners explore motion graphs in this instructional activity. They investigate distance-time plots as they move in a specific way in front of the CBR in an attempt to make a motion plot that matches a given plot. Pupils explore...
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Which Way?
Middle schoolers explore distance-time plots. In this algebra lesson, they will investigate how different types of motion affect the distance-time plot.
Curated OER
To the Moon
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson, they manipulate snack wrappers to find circumference, diameter, radius and distance.
Curated OER
Signal Corps
Learners examine the role of signal corps during the Civil War and explore the technique of 'wigwag.' In this Civil War lesson, students discuss the way they communicate long distance today, they research how a civil war soldier...
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Graphing Systems at the Races
Learners investigate systems of equations as they use the Ti-Navigator to explore scenarios about dog races and NASCAR races. Pupils determine the winner of the race and when opponents pass each other given a speed and distance.
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Hunter Fred's Quest for Dinner
Learners solve problems using trigonometric functions, specifically a problem about a tree stand. Pupils try to maximize the distance of hunting sight given certain restrictions. They use the Pythagorean Theorem, sine, cosine, and...
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Midsegments of Quadrilaterals
High schoolers explore the concept of quadrilaterals as they find the midsegments of quadrilaterals using Cabri Jr. on a graphing calculator. They find midpoints, slopes, angles, and distances of lines and angles.
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Equations of Circles
Using Cabri Jr. learners construct a circle and determine the equation of the circle they drew by finding the center and the radius. Students use the distance formula to derive the equation of their circle.
Curated OER
Vectors: How Much Force Can You Apply
This lesson plan entails the viewing of two videos to get an overview of force and its application. The lesson plan covers how vectors use force in real-world situations.
Bowland
In the Olympics, are Women Improving Faster than Men?
Will the time come when women outperform men at the Olympic Games?Scholars investigate gender differences in Olympic Games performances. They study the historical participation of women and then analyze data to determine if women will...
Mathematics Vision Project
More Functions, More Features
Learners tackle a wide range of intimidating topics in this comprehensive unit that spans piecewise functions, absolute value of functions, and inverse functions (among other topics). Investigative group work alternates with more...
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Estimating Distances
Fifth graders explore the concept of estimating distances between two places on a map. In this estimating distances lesson, 5th graders interpret maps according to measuring distance. Students choose a place on a map and find the...
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Walk a Mile in your Orbit
Students create an awareness of the distance between the planets and the complexity of the solar system through a model of an active solar system. they incorporate physical education and math with the ability to convert distances of each...
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Subtraction-There's Got to be An Easier Way!
Third graders observe and demonstrate a variety of problems involving subtraction problems using mental math strategies. They discuss the base ten system and the basic concept of subtraction, and complete a variety of activities...
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Playing with Remainders
Fifth graders explore how people handle remainders in real life. In this remainders math lesson, 5th graders participate in skits to show what to do with remainders. Students complete worksheets with word problems.
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Caloric Burning Activities
Fourth graders use problem solving, decision making and basic math skills to calculate calories used during different activities. They determine the relation between food intake and activity. Students also figure out the activity,...
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Secrets of Lost Empires II -- Medieval Siege
Students design a working working model of a trebuchet and demonstrate the power of a Class 1 lever. They test their models by throwing grapes the greatest distance and raising and lowering bricks.
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Plot Your Course
Students determine distance and direction on a nautical chart. For this nautical lesson, students identify obstacles and characteristics of common aid to navigation on a nautical chart.
New York City Department of Education
Peter’s Garden
Watch scholars' understanding of fractions bloom. The resource presents a performance task where the fractions are equal parts from the same whole, and mathematicians must use them to solve problems about a grade level garden. Teachers...
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Quadratic Equations with the CBL 2
Learners practice generating parabolas with a motion sensor while determining the vertex form of the equation. They compare it to the regression equation from the calculator onto a data mate software. Each student completes several...
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Marriage and Financial Goals, Budgeting Strategies
There is no more useful life skill to learn than budgeting and setting financial goals. It's math that is used by every person, everyday. Learners examine the responsibilities and costs involved in family economics. Through a series of...
Curated OER
Discovering Pi/Welcome to Pi Day
Students explore pi. In this circle measurement lesson, students define and identify radius, diameter, circumference, and perimeter. Students work in groups to measure several plastic lids and record their findings. Students compare the...
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Dilations in the Plane
Tenth graders investigate dilations and explore the dilation transformation before investigating the properties of a dilation using Cabri Jr. Students extend the concept of dilatation to the coordinate plane.