CK-12 Foundation
Conversion of Decimals, Fractions, and Percents
Five questions—true or false and multiple-choice—challenge mathematicians to convert decimals, fractions, and percents. An interactive table displays how to write a portion of shapes in a variety of ways. A discussion question concludes...
Curated OER
Activity Plan 5-6: Shape Transformers
Students expand their thinking while investigating shape and design. In this early childhood lesson plan, students transform a geometric shape into another shape or design to develop math and creative-thinking skills.
Curated OER
Activity Plan Mixed Ages: Family Math
Students play with math. In this early childhood lesson plan, students create drawings of family members to use for math activities including counting, seriating, sorting, grouping, and sequencing.
Curated OER
Functions Can Be Fun!
Eighth graders work together in groups to discover linear functions. They are giving a situation and they are to recreate it in their groups. They answer questions to complete the lesson.
CK-12 Foundation
Simplify Products or Quotients of Single Variable Expressions: Circling C's
Model expression division using online manipulatives. Learners drag C's representing a term into equal groups. Guiding questions help them see their groups as the division of the term.
Curated OER
Activity Plan 4-5: I'm Graphing to Know You!
Learners create graphs about themselves to learn more about one another. In this early childhood math lesson, students record information about one another as they make picture graphs.
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How Many Lemons Does It Take?
Students discuss and explore different methods that can be used to estimate from the video. They practice estimation skills by recreating a sample problem from the video. Web sites containing other estimation activities are included
Curated OER
Subtraction with Regrouping Lesson Plan
Learners explore regrouping while subtracting. In this subtraction lesson, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
Curated OER
Powerpoint Tutorial Project
Students create non-linear, user-directed presentations in a presentation software application. They create, using Powerpoints, tutorial movies using the topic of solving a math story problem.
Curated OER
Magazine Sales Talks
Young scholars role-play to determine the best types of magazines that should be purchased for their media center. They create a sales presentation for a particular magazine in small groups. As they listen to each presentation they...