Curated OER
Triangle Puzzler
Students are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
Curated OER
The Average Atom - Isotopes
Seventh graders, in groups, complete an Isotopes model and notice that atomic masses are decimal numbers. These masses are an average of all the isotopes of that element.
Curated OER
Dealing With Data
Students collect, organize, and display data using a bar graph, line graph, pie graph, or picture graph. They write a summary describing the data represented and compare the graph to another graph in the class.
Curated OER
Are You a Golden Ratio?
Middle schoolers explore the concept of the golden ratio in nature and architectural design. They discuss examples such as petals on a sunflower and the Parthenon. In small groups they take turns measuring their body parts to find a...
Curated OER
Area Explorations
Students explore the concept of area. In this area activity, students find the area of irregular shapes with right angles. Students break down each irregular shape into multiple regular shapes in order to find the area. Students...
Curated OER
Ice Melting Investigation
Students conduct an ice melting investigation in which they observe and measure the melting of two ice spheres. They develop a hypothesis as to which sphere will melt the fastest, collect data every ten minutes, and graph the data using...
Curated OER
Fraction Facts
Students explore the concept of fractions. In this fractions instructional activity, students perform basic operations such as addition and subtraction with fractions. Students play a game on the computer called 'Fraction Four' that...
Curated OER
Triangle Wars
Students explore geometry by participating in a class card game. In this triangle lesson, students utilize playing cards with shapes on them which they group up and discard, similar to "Old Maid." Students complete a worksheet and answer...
Curated OER
The UPS Experiment
Students calculate the speed using metric measurements. In this geometry lesson, students calculate speed, distance and velocity using metric measurements. They gain inquiry and problem solving skills in this assignment.
Curated OER
Divide by a Unit Fraction
In this dividing by unit fractions practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Exploring Chords: Products of Chord Segments
Students identify the properties of chords. In this geometry lesson plan, students multiply chord segments to find the solution to their problem. They construct two chords that cross on a circles.
Curated OER
Balancing the Scales: Understanding Ratios
Students are introduced to the concept of ratios. In groups, they convert sets of numbers into a ratio. After practicing, they use the ratios and proportions to solve story problems. They also calculate map distances and discover map...
Curated OER
Data Analysis
In this data analysis worksheet, students solve and complete 4 different types of problems. First, they reduce the data provided to find the means, and graph the means in a line graph. Then, students graph the data from each mixture...
Curated OER
Statistics and Shopping
Students explore the concept of using consumer data and statistics to aid in the consumer decision making process. In this consumer data and statistics lesson, students research consumer data and statistics. Students analyze the data...
Curated OER
Finding the Average Temperature
Students calculate averages. In this average temperature lesson, students collect data and use their problem solving skills to calculate average temperatures.
Curated OER
Marshmallow Towers
Students explore geometry by completing a marshmallow activity in class. For this architecture lesson, students identify the jobs of civil engineers and architects while identifying different geometric shapes as well. Students utilize...
Curated OER
Altering a Plant Environment
Young scholars investigate what a controlled group is by creating an experiment. In this plant growth lesson, students identify the different parts of a plant and discuss what is needed for a plant to be successfully grown....
Curated OER
Surveying: 19 Chains and 50 Links
Through an interdisciplinary lesson, emerging engineers explore the history of surveying systems. After discussing various systems, they perform surveys on printable pages. Using their geometric skills, they physically stake out plots...
Curated OER
Recognizing Patterns
Middle schoolers explore the concept of patterns. In this patterns lesson, students use applets to manipulate tessellations. Middle schoolers predict the next number in a sequence by recognizing patterns.
Curated OER
Don't Burst My Bubble
Middle schoolers practice using measuring techniques by examining bubbles. In this geometry lesson, students utilize mathematic formulas to discover the circumference and diameter of soap bubbles they blow. Middle schoolers...
Curated OER
Taste the Rainbow
Students practice estimating and graphing by utilizing Skittles. In this statistics lesson, students complete worksheets based on the likelihood of a certain color of skittle coming out of the bag. Students create a graph...
Curated OER
Plenty of Pythagoras
Using a twelve foot knotted rope, students 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
Chocolate Chip Cookie Mining
Student pretends to be a research scientist for a mining company. They work in a laboratory that investigates methods of getting useful minerals from rocks. They complete experiment using chocolate chip cookies.
Curated OER
Box-and-Whisker
Seventh graders are introduced to the concept of box-and-whisker plots. A step-by-step process for creating a box-and-whisker plot is provided. The goal of the lesson is that students study the components of a box-and-whisker plot and be...