Center for Precollegiate Education and Training
Buoyancy Boats
What did the sea say to the boat? Nothing, it just waved. An inquiry-based activity starts with a simple concept on the Archimedes Principle and challenges pupils to make something out of clay that floats. Then, they...
Curated OER
Plural and Singular Nouns
What a great way to review singular and plural nouns! This presentation covers the basic rules governing the use of singular and plural nouns and gives students a variety of ways to practice this concept. It could be used as a center...
Curated OER
Nutrient Cycling
AP environmental science or college-level ecology classes will glean a tremendous amount of information on nutrient cycles from this detailed PowerPoint. It covers nutrient requirements, biogeochemcial cycles, decomposition rates, and...
CK-12 Foundation
Sums of Mixed Numbers: Split the Addition
Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.
Curated OER
Number Sense
Eighth graders participate in a lesson that is concerned with reviewing basic math concepts using the four operations. The activity is composed of a math game that is played by them.
Curated OER
Food and Fractions
Learners are introduced to the concept of basic fraction problems including adding, subtracting, and multiplying. They pretend they own a baker and create different scenarios using the food orders.
Curated OER
Fractional Blocks
Young scholars explore the concept that fractions can also be considered a ratio. They discover that the fraction bar can be read as "out of." Students practice basic multiplication facts and use patterns to find fractions of shapes.
Curated OER
Dividing Fractions
Reciprocals are the method used for dividing fractions in this instructional session. A fraction is defined as being a division problem, and then the whole group works together to solve several problems. They check for the reasonableness...
Curated OER
Arithmetic: Fractions and Percentages
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
Curated OER
Linear Inequalities in Two Variables
Graph and solve linear equations in two variables. The class relates the concepts of linear equations to the real world.
Curated OER
Geometric Collages
Fourth graders investigate the concept of geometric patterning. They create their own patterns with a few basic requirements. The patterns must illustrate the concepts of flipping, 90 and 180 degree rotations. The collages also consist...
CK-12 Foundation
Geometric Sequences: Bacteria Colony
Show budding mathematicians how to model a diminishing bacteria colony two ways—graphically and algebraically. Using the coordinate axis, pupils create a graph to represent the decay of a bacteria colony. They determine the number of...
CK-12 Foundation
Dependent Events: Cheryl's Birthday
Use dependency to find a birthday. Learners use an interactive to keep track of excluded potential dates of a birthday using information provided to two people about a third's birthday. Scholars then use the dependency between the dates...
CK-12 Foundation
Conditional Probability: Colorful Cubes
An interactive provides a model to visually represent the formula for the probability of an outcome. Given 10 numbered color cubes, pupils arrange them on the top and bottom shelf to represent the probability fraction. The learners...
Curated OER
Marshmallow Fun Day - math
Early learners rotate to different classroom centers and participate in six activities based on using marshmallows to review concepts learned. They make: marshmallow sculptures (geometric shapes), the shape of mittens using colored...
Curated OER
Paper Weaving
Practice the native concept of weaving with traditional classroom items. Using assorted colors of construction paper, your class will simulate how to weave. This is a great activity to connect to a Native American, Mexican, or other...
Curated OER
Bleacher Dance - Adding to School Spirit
Looking for some moves to do in the bleachers while at a school sports event? This lesson teaches two sets of 32-counts. The moves can basically be done while standing up in the bleachers!. The amount of movement will be determined by...
Shodor Education Foundation
Triangle Area
While the lesson focuses on right triangles, this activity offers a great way to practice the area of all triangles through an interactive webpage. The activity begins with the class taking a square paper and cutting in in half; can they...
Novelinks
The Tempest: A-Z Book Project
Create a picture dictionary for one of William Shakespeare's most famous plays. After readers finish The Tempest, they assign each letter of the alphabet to a concept or character, and add a description and evidence from...
National Research Center for Career and Technical Education
Salads
Lettuce talk for a moment about your culinary scholars; do they have what it takes to create a great salad? Show them the finer points of salad preparation with a career and technology lesson that combines direct instruction, creativity,...
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some...
Curated OER
Fractions
In this mathematics learning exercise, students read, write, order and compare fractions and mixed numbers. They identify that there are various strategies for finding fractional parts and use fractions to order and compare amounts or...
Curated OER
Fractions: Pie
Learners use a pie (circle) to study fractions. They create their own fraction problems and demonstrate to their classmates how to solve the problems. They discuss ways they use fractions in their daily lives.
Curated OER
Adding and Subtracting Fractions
Third graders practice adding and subtracting fractions. In this addition lesson, 3rd graders use paper fraction kits made from colored construction paper and complete several fraction problems on the chalkboard.