Curated OER
The Mathematics of Space and Place
Students investigate the measurements and geometry of the school grounds. They conduct inquiry while measuring the campus and some of the city blocks. Then students draw a map to scale and categorize property types using a pie graph.
Curated OER
Mathematics-Algebra II
Tenth graders investigate relations and functions. In this algebra lesson, 10th graders perform or research real life situation involving functions. This assignment can be used as a year end project.
Curated OER
My 2011 Resolution: Investigate Mathematics of Calendars and Fitness
Ring in the new year with interdisciplinary units related to the development of calendars and getting fit.
Curated OER
The Distributive Property
Students review how to solve problems using the Distributive Property of Mathematics. They solve problems using the paper and pencil method and then use the graphing calculator to discover the property over addition while making a visual...
Curated OER
The Commutative Cookie
Third graders investigate the commutative properties of multiplication and focus upon the setting of cubes in the correct patterns to solve problems. They differentiate between numbers that have multiple factors and prime numbers....
Pennsylvania Department of Education
Associative Properties
Students investigate the associative property of addition. In this associative property of addition lesson, students work in pairs and build addition problems with six blocks. They sit on either side of a desk so that they can "read" the...
Curated OER
Build Your Own Anemomter
Students investigate how to measure the speed of wind. They do this by building their own anemometers. Students calculate the air speeds while using their own projects and make observations. They conduct a mathematical discussion after...
Curated OER
Investigations into Estimations
Students gain the powerful tools of estimation, prediction, and averaging and discover the importance these tools have in daily living.
Curated OER
Design a Track
Pupils investigate track and field dimensions, measure an actual track, and construct a scale model. The use of a meter stick, dimensional analysis, and the application of the distributive property to variables forms the main focus of...
Curated OER
Commutative Property
First graders investigate the Commutative Property of Addition. It is introduced using models such as students, counters, balances and dominoes. They discover the order of the numbers in an addition sentence does not change the result...
Curated OER
What's Your Symbol?
Sixth graders investigate how colors, objects and geometric shapes have been used symbolically in art during specific time periods. They use this information to create symbolic artwork and write a descriptive/informational piece...
Curated OER
Probability Of One Event
Middle schoolers investigate the concept of probability. They use example problems in order to measure the likelihood of various outcomes. The activity includes dialogue to be used by the teacher during direct instruction. They also use...
Curated OER
How to Figure Board Feet and Cost of a Board
Students investigate woodworking and converting lengths to cubic measurements. In this math conversions instructional activity, students examine the length of a piece of board, and its total area by using the formula for finding...
Curated OER
Next Year's Seeds
Sixth graders explore agricultural issues using math and probabilities. In this agriculture lesson, 6th graders investigate real world situations in agriculture using math and probabilities.
EngageNY
Construct an Equilateral Triangle (part 2)
Triangles, triangles, and more triangles! In this second installment of a 36-part series, your young mathematicians explore two increasingly challenging constructions, requiring them to develop a way to construct three triangles that...
Texas Instruments
Vandalism 101
Learners explore logic and use Geometer’s Sketchpad and patterns of logic to solve a puzzle.
EngageNY
Euler’s Number, e
Scholars model the height of water in a container with an exponential function and apply average rates of change to this function. The main attraction of the instructional activity is the discovery of Euler's number.
EngageNY
Describing Center, Variability, and Shape of a Data Distribution from a Graphical Representation
What is the typical length of a yellow perch? Pupils analyze a histogram of lengths for a sample of yellow perch from the Great Lakes. They determine which measures of center and variability are best to use based upon the shape of the...
Curated OER
Affine Recurrence Plotter
Learners use the on-line affine recurrence plotter to graph equations. They work on-line to create graphs of trout in a trout pond and savings account balances when interest is compounded over time. Links to the four one-day lessons are...
EngageNY
Basic Properties of Similarity
Does the symmetry and transitive property apply to similarity? The 10th segment in a series of 16 presents the class with a group of explorations. The explorations have pairs show that similarity is both symmetrical and transitive....
EngageNY
Informally Fitting a Line
Discover how trend lines can be useful in understanding relationships between variables with a lesson plan that covers how to informally fit a trend line to model a relationship given in a scatter plot. Scholars use the trend line to...
EngageNY
Between-Figure and Within-Figure Ratios
Tie the unit together and see concepts click in your young mathematicians' minds. Scholars apply the properties of similar triangles to find heights of objects. They concentrate on the proportions built with known measures and solve to...
EngageNY
Similar Triangles in Circle-Secant (or Circle-Secant-Tangent) Diagrams
First angle measures, now segment lengths. High schoolers first measure segments formed by secants that intersect interior to a circle, secants that intersect exterior to a circle, and a secant and a tangent that intersect exterior to a...
EngageNY
Special Lines in Triangles (part 2)
Medians, midsegments, altitudes, oh my! Pupils study the properties of the median of a triangle, initially examining a proof utilizing midsegments to determine the length ratio of a median. They then use the information to find missing...