Curated OER
Tangents, Secants, and Chords
In this tangents, secants and chords worksheet, 10th graders identify and solve 48 different problems that include using 3 different theorems for defining circles. First, they determine the area of each circle with C as the center and a...
Curated OER
The Workshop
Kids take a critical look at each other's work in order to understand the editing process while providing constructive suggestions. This handout really sets learners up to successfully offer constructive critique to their...
Curated OER
The Circle of Life
Fourth graders examine how the different organisms living in an ecosystem affect one another. In groups, they research a specific ecosystem and present their findings to the class based on the type of organisms found in it. To end the...
Curated OER
Mixed Math Practice
In this Algebra II/Pre-calculus activity, students find the area and perimeter of sectors of a circle. The four page activity contains sixteen problems. Answer key is included.
Mrs. Burke's Math Page
Let Them Eat Pi
Looking for a fun and creative way to celebrate Pi Day? Then this is the resource for you. From a scavenger hunt and trivia contest to PowerPoint presentations and skills practice worksheets, this collection of materials is a...
New York City Department of Education
Designing Euclid’s Playground
Create a geometric playground. Pupils work through a performance task to demonstrate their ability to use geometric concepts to solve everyday problems. The accompanying engineering design lessons show teachers how the assessment works...
Los Angeles County Office of Education
Assessment For The California Mathematics Standards Grade 4
Have scholars show what they know with a 20-page assessment aligned to the California State Standards. The test covers concepts such as large and whole numbers, all four mathematical operations, fractions, decimals, geometric figures,...
Curated OER
Creating a Basal Area Measuring Tape
High schoolers use formulas to design and create a table. In this calculations lesson students create basal measuring tapes that will be used to measure woodlot stocking levels.
Beyond Benign
Water Bottle Unit
How much plastic do manufacturers use to create water bottles each year? The class explores the number of water bottles used throughout the years to determine how many consumers will use in the future. Class members compare different...
Curated OER
Little House on the Prairie
Hop into a covered wagon and follow Laura Ingalls Wilder through the Midwest. A series of lessons based on Little House on the Prairie encourages young pioneers to see the world through Laura's eyes as they map her...
101 Questions
Lucky Cow
Cutting the cheese isn't a joke. Scholars observe a wedge of cheese and must determine how to cut it in half horizontally. They apply their knowledge of sectors to determine the most accurate way to slice the cheese.
Curated OER
Around and Around
Young scholars create a spreadsheet to record information about circular objects. They measure and record information from a variety of objects. Students calculate the ratio of the circumference to the diameter of each object. They find...
Curated OER
It's My Time!
Students create a pie chart. In this time lesson, students determine the amount of time they spend on given activities. They create a pie chart diagraming the data. Students share their graphs with the class.
Curated OER
Measurement
Students identify and categorize different problem situations or contexts using one of four measurements to solve the problem. Through guided and independent practice, they discover ways to determine which measurement to use when...
Curated OER
Segments Formed by Intersectiong Chords, Secants, and Tangents
Learners investigate the properties of segments formed which chords, secants, and tangents, intersect. The dynamic nature of Cabri Jr. allows high schoolers to form and verify conjectures regarding segment relationships.
Curated OER
Amazing Transpiration
Learners observe a leaf and discuss the way that water is released from a leaf through its stomata. For this water cycle instructional activity, students calculate how much water leaves produce from a whole tree. ...
Curated OER
Geometry and Quilting
Students create a quilt square for a class quilt using at least three, two-dimensional geometric figures. They research and write a brief description of at least two different quilt patterns that they find. Pupils discuss that quilts are...
Curated OER
Variables, Formulas, Functions, Graphs
In this function worksheet, students are given 6 short-answer problems regarding formulas vs. functions, graphing functions and different ways to view functions.
Curated OER
History and the Approximations of pi
Middle schoolers investigate Pi. In this mathematics lesson, learners discuss the history of Pi and determine how the approximation of Pi was discovered.
Baylor College
There's Something in the Air
Clever! In order to compare indoor and outdoor dispersal rates for the movement of gases and particles through air, collaborators will participate in a classroom experiment. Set up a circular grid and set students on lines that are...
Willow Tree
Perimeter of Common Geometric Figures
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
Illustrative Mathematics
Overlapping Squares
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
Polar Bears International
Top of the World
Learn about polar bears and the Arctic circle with a lesson about the countries and conditions of the region. After examining how the area differs from Antarctica, kids explore climates, animals, and geographical position...
Curated OER
Effects of Changing Dimensions Proportionally
In this geometry worksheet, students describe the effect of a proportional change on the perimeter or circumference and area of the given circles or quadrilaterals. The one page worksheet contains ten problems. Answers are...
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