Curated OER
Poppy Meets Pythagoras
Eighth graders find connections between numbers in a table; use Pythagoras' theorem in a general algebraic form; and measure accurately from a scale drawing to find a method that might enable the helicopter to land inside a rectangular...
Curated OER
The Great Button Sort
Students practice figuring out how items have been sorted. They also sort buttons in small cooperative groups. They color and sort their own paper buttons and then give their button sort to another student to see if he or she can figure...
Curated OER
Fractions of a Set
Third graders use fractions to describe part of a set. In this fractions lesson, 3rd graders are introduced to fractions through a book and use pattern blocks to describe a fraction as a part of a set. This lesson includes a scripted...
Curated OER
Properties of Fractals
Pupils build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using logs.
Curated OER
Fraction Card Shark
Second graders explain the relative size of fractions using symbolic and concrete representations. Groups of four students play a game which uses cards and unifix cubes. The game helps them get a visual understanding for the 'size' of...
Curated OER
Properties of Fractals
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
Curated OER
The Mandelbrot Set
Students explore the Mandelbrot Set. They are introduced to the concept of a complex number and function in order to motivate the discussion of Julia and Mandelbrot sets. Students investigate fractals and how they are built.
Curated OER
Hooked On Problem Solving
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
Curated OER
Cancer City USA
Students investigate a phenomenon known as the cancer cluster. Students determine potential cancer clusters given real data and support their findings using mathematical calculations. Students Create a graphical representation of the...
Curated OER
Practicing Arithmetic
Students practice single operation arithmetic ranging from single digit addition to long division of decimals or real numbers using Graphit. They use data sets and rules to graph ordered pairs.
Curated OER
Pepe Cleaners
Seventh graders gather data to determine the relationships between the base and height of rectangles with fixed perimeters and express the relationships using words and symbols. Students build rectangles with pipe cleaners. They create...
Curated OER
Basic Crypto Systems
Pupils try to solve codes mathematically. The use of a code needs a key. Students try to decipher a code with a mathematical key. This requires focus and higher order thinking skills like analysis.
Curated OER
Track's Slippery Slope
Middle schoolers graph data of sports figure running time using x-axis y-axis to find slope of trend line, mathematically find the interpolated and extrapolated values for data points. Using the information they make predictions.
Pennsylvania Department of Education
Creating Polygons
Students describe, make and compare polygons. In this creating polygons lesson, students identify properties of quadrilaterals and describe common features of two dimensional shapes.
Curated OER
A Game of Chance
Students explore probability through cooperative group activities and interactive video technique.
Curated OER
Walk a Mile in Albatross Shoes
Students recognize the correlation between the trash they dispose of around their school and the environmental hazards that face wildlife, specifically the Laysan albatross. They determine three ways that they can help the albatross chicks.
Curated OER
Grade 2: Texas Problem Solving
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...
Curated OER
Are You Money Smart?
Learners figure out and discuss the irony of this coin-centric poem. They also practice persuasive letter writing, and identify and count coin/money values.
Curated OER
Modeling Population Growth
Students investigate the reasons for taking a census and determine the problems that are involved in the process. They examine the population figure for Montana and Lake county before using the information to complete the included...
Curated OER
How Does Your Garden Grow?
Students create a design for a school garden. In this garden design lesson, students analyze what plants grow best in their school's climate and work in teams to design a garden. Students measure the existing space, determine the...
Curated OER
How Many Cards Do We Need to Display the Dates of the Month?
Students complete activities to study the concept of place value notation. In this place value lesson, students use cards for the days of the month that only number from 1 to 9. Students find a subtraction pattern to determine the amount...
Curated OER
The Literature Connection
Second graders read Cucumber Soup by Vickie Leigh. They make representations for the number of each kind of bug found in the book. This lesson is a terrific way to show students how fractions, decimals and percents are related.
Curated OER
Effect of Daylight Hours on Human Activity
Students determine the average hours of daily sunlight for each month of the year by constructing a bar graph. They develop a understanding of how the amount of daylight hours varies by month and how that affects both temperature and...
Curated OER
Reversing Numbers
Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...