Hi, what do you want to do?
Space Awareness
Navigation in the Ancient Mediterranean and Beyond
Ancient texts, like Homer's Odyssey, mentions navigating ships by observing constellations. Pupils learn about the link between history and astronomy as they relate to navigation in the Bronze Age. Scholars complete two hands-on...
Space Awareness
The Sun Compass of the Vikings
Evidence shows the Vikings likely navigated by using a simple sundial to find their course. Videos, a short story, and discussion help bring this time period to life as they study European history with a hands-on experiment. Scholars...
Space Awareness
Making A Sundial
Can people really measure time just by using the sun? Scholars venture outside on a nice, sunny day to build sundials and learn how people measured time 600 years ago. The class builds two different sundials while gaining practice with...
Curated OER
Exploring the Properties of Rectangular Prisms.
Students define properties of rectangular prisms. In this geometry lesson, students identify the relationship between two and three dimensional objects. They use Cabri technology to graph their figures.
Curated OER
Exploring Properties of Rectangular Prisms
Students explore the properties of rectangular prisms. In this geometry instructional activity, students identify properties of two and three dimensional shapes. They use Cabri technology to create polygons and solve problems.
Curated OER
Conjectures of Intersecting Circles
Students make conjectures of intersecting circles. For this geometry lesson, students observe circles and their position in space. They investigate and observe two and three dimensional objects.
Curated OER
Conjectures For Intersecting Circles
Students identify properties of circles. In this geometry lesson plan, students identify the center of two intersecting circles.They use Cabri software to create circles and move it around to make observation.
Curated OER
M&M Caper
Students participate in a game with M&M's to be introduced to percents and ratios. Individually, they estimate and record the number of candies they believe the bag holds and the amount of each colored candy. They open the bag and...
Curated OER
Less is More: Subtraction in Action
Students participate in group games to help review the concept of subtraction. During the games, they practice subtracting two-digit numbers and the concept of borrowing. They review their answers with the class and move on to...
Curated OER
Fraction Reaction
Students review how to solve problems with fractions. In groups, they participate in a card game in which they identify the fraction and its equivalent. They also complete a worksheet related to fractions and have a partner check their...
Curated OER
Trading Game
Students listen to story about money or coins, and play game to help them solidify their understanding of money. Students focus specifically on coin value and calculating amounts of money up to fifty cents or above, depending on level.
Curated OER
Spending Spree
Students collect objects to use in a classroom store. In groups, they must place a value on each object and take turns spending their fake dollar in the store. They predict how much they can buy and use addition and subtraction to...
Power to Learn
How Much Space Do We Have?
Census-takers view the Internet to find the total population of a city and its total land area. They work with different mathematical scenarios that involve populations and land area in their city. They complete math problems and unit...
Curated OER
Human Number Line
Learners compare different types of numbers. Each student is given a flashcard containing a decimal, percent, fraction or integer. Teams of students compete, in silence, to determine who can line up in numerical order correctly. They...
Curated OER
Tessellation Trial and Error
In this interactive lesson, students review attributes of equilateral polygons. They are introduced to the concept of a tessellation. Using protractors and pre-cut shapes, students arrange a variety of tiles to create tessellations. They...
Curated OER
Plenty of Pythagoras
Using a twelve foot knotted rope, pupils form a 3-4-5 right triangle. Following a discussion of observations about the lengths of the sides of the triangle, students use grid paper, scissors and a centimeter ruler to draw and measure...
Curated OER
Orthographic Drawings
Students investigate the creation of three dimensional drawings. In this geometry instructional activity, students analyze and complete orthographic drawings. They Cabri software to manipulate and move the drawings around.
Curated OER
Orthographic Drawing
Learners investigate orthographic drawings. In this geometry lesson, students identify properties of three dimensional drawings in space. They solve problems using volume and area formulas.
Curated OER
Interest Calculation and Spreadsheets
Students, while in the computer lab working on a spreadsheet program, calculate interest and accumulated value of a savings plan. They follow specific directives on how to create their spreadsheets. At the end of the lesson they print...
Curated OER
Finding The Sum of an Infinite Series
High schoolers examine finding the sum of an infinite series as the limit of partial sums. Through hands-on activities, students create their own sequence by finding the area of a square and then cutting it in half-sized pieces. They...
Curated OER
Understanding Fundamental Trigonometric Identities
High schoolers are introduced to the basic trigonometric identities. Using a diagram, they discover why the parts of the unit circle as named as they are and use equations to finalize the Pythagorean trigonometric identities. They also...
Curated OER
Relationships Among Arc and Angle Measures in Circles
Students follow the directions on the attached worksheet to construct shapes using Geometer's Sketchpad. To start the lesson, it is suggested that the teacher guide the students through the initial problem. When constructions are...
Curated OER
Discovering Euler's Theorem
Students identify different parts of a prism and polyhedra. In this geometry lesson, students identify the number of faces, edges and sides of polygons. They solve problems by recognizing patterns.
Curated OER
Pedal Triangles
Students identify the properties and theorems of triangles. In this geometry lesson, students construct angle bisectors using a compass and straight edge. They identify triangular similarity and congruency.