Curated OER
GUM: More, Less, or the Same?
Students confirm the law of conservation of matter by weighing chewing gum before and after it is chewed.
Curated OER
Applying Fractions - Family Activity
In this fractions worksheet, students solve 10 short answer problems. Students find items around their home and weigh them. Students convert units from one unit to another in the customary system.
Curated OER
Introduction to Fractals: Geometric Fractals
Middle schoolers study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Middle schoolers complete worksheets based on...
Curated OER
Telling Time to 5 Minutes
In this second grade lesson your class will practice telling time. The goal is to tell time to five minutes using an analog clock. Your young students count by 5 minute intervals and discuss elapsed time.
Improving Measurement and Geometry in Elementary Schools
The Sum of the Interior Angles of a Polygon
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this...
Curated OER
Money in Action
Students become familiar with the various coins in our money system as well as amount of each coin. They help develop their ability to count change and find different ways to show equal amounts.
Curated OER
Shadow Casting
Eighth graders use a meter stick that is placed on a horizontal surface and an object is moved along it so that the shadow length can be measured at different distances from the light source. They solve real-world problems involving...
Curated OER
Garden Variety Geometry
A home improvement plan can help adult learners preparation for the GED exam. They review vocabulary, prepare diagrams, complete a worksheet, calculate perimeters and analyze how to approach a story problem. They identify many geometry...
Curated OER
Practical GPS Applications in Forestry & Agriculture
An explanation of the Global Positioning System (GPS) and the Geographic Information System (GIS) is given in this presentation. Uses and applications are considered. How it works and sources of error are also touched upon. A large...
Curated OER
Fractals Teachers' Notes
When you see a flower or a tree in nature do you see the math? This web resource contains many ideas for using fractals in a math class including Sierpinski’s triangle, Koch's Snowflake, and the Jurassic Park Fractal. Additionally, it...
Curated OER
My Test Book: Geometry
In this online interactive math skills learning exercise, learners solve 10 multiple choice math problems regarding geometry skills. Students may view the correct answers.
Curated OER
How Close Is Our Estimate?
Fifth graders estimate perimeter, area, and volume. They measure perimeter and area using nonstandard units of measurement. Students add and subtract non-standard units of measurement. They add mixed numbers and simplify the sum.
Curated OER
Math: a World of Symmetry
Students expand their knowledge of quadrilaterals and identify basic symmetrical forms. Over three weeks, they explore the math, application, and discussion of symmetry. After conducting Internet research, students create symmetrical...
Pennsylvania Department of Education
Making Cubes
Third graders explore vocabulary associated with three dimensional figures. In this transformations instructional activity, 3rd graders create two dimensional nets for three dimensional figures. Students become familiar with...
Curated OER
Drawing Plans to Scale
In this drawing plans to scale activity, students examine how to convert small scale drawings to real life plans. They work with perimeters and areas when given the scale ratio. They complete 7 multi-step questions. They enter the...
Curated OER
Who Wants to Carry a Million?
Learners, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.
Creative Educator
Dream Room Design
Using the Twist™ application, elementary schoolers design their dream room. They follow the prescribed steps to calculate width, length, perimeter, and surface area in order to create a 2-dimensional representation of their dream room...
Curated OER
Pent-up Pentominoes
Students explore pentominoes in this activity. They build shapes as directed and color the tiles on their grid sheet.
Curated OER
Angles: Angles, Angles, Everywhere
Students practice estiminating and measuring angles. After watching a short video, they identify angles in objects in the classroom and their homes. In groups, they participate in activities in which they are given a scenerio and are...
Curated OER
Technology: Koo Koo for Clocks
Third graders design and make clocks compiling a materials list, creating adesign portfolio, and recording progress in a daily log. After making a full-size drawing of their clocks and with the assistance of high school technology...
Pennsylvania Department of Education
Freckle Face
Students collect and record data. In this early data analysis lesson, students gather data about their partners face. As a class, the students use tally marks and pictographs to record the data and answer question about the information...
Curated OER
Let's Make Fudge
Students make fudge after reading fractional values in recipes and finding equivalent fractions to those presented in the recipes. They study measurement abbreviations.
Curated OER
Swimmy's Friends
Students solve problems using various strategies. In this problem solving instructional activity, students read the book Swimmy by Leo Lionni. Students make fish swimming patterns, measure how many goldfish crackers it takes to make a...
Curated OER
Congruent Trianges - Is This Enough Information?
Seventh graders determine whether two triangles are congruent and provide an explanation to why they are not. They apply concepts of measurement of angles and collect evidence of congruent angles in the world.