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- Estimating rational numbers
- Students round fractions and mixed numbers to their closest whole number by first changing the rational numbers into decimal numbers.
- Format: lesson plan (grade 4 Mathematics)
- By Doreen Castelloe.
- Rounding ball
- This lesson is designed to help students become more efficient at rounding numbers to tens and hundreds using mental math methods. It will help students become quick thinkers and stay focused.
- Format: lesson plan (grade 3 Mathematics)
- By Brenda Seymour.
- Anthill number round-off
- The purpose of this lesson is to give students a visual aid to help them round off numbers to the nearest ten or hundred.
- Format: lesson plan (grade 3 Mathematics)
- By Phyllis Roberts.
- Grocery store technology
- Students will identify how technology has changed in an occupation over time. This is also an introductory rounding/estimation lesson using addition of money.
- Format: lesson plan (grade 3 Computer/Technology Skills and Mathematics)
- By Barbara Crouch.
- Discovering Pi
- This lesson introduces students to Pi through the discovery method of instruction. Students practice simple measuring skills to discover the relationship between the circumference and diameter of circular objects (Pi).They will be able to use this concept to find the circumference of any circle when the diameter is given.
- Format: lesson plan (grade 6 Mathematics)
- By Betty Shell.
- Baseball fun: Percentages, decimals, and fractions
- Students will learn the concepts behind fractions, decimals, and percents by using sports statistics found on baseball cards.
- Format: lesson plan (grade 8 Mathematics)
- By Adrian Bustle.
- Free falling: Working with radicals
- In CareerStart lessons: Grade eight, page 2.4
- In this lesson, students solve problems involving radicals and discuss the importance of radicals in various careers.
- Format: lesson plan (grade 9 Mathematics)
- By Debbie Brooks, Peggy Dickey, and Jan Sullivan.
- Post-EOG activities: Student products
- In this project, students will become entrepreneurs. They will have a business that makes items with 3-dimensional shapes. They will receive various tasks that will require that they make decisions as any other business owner would have to do.
- Format: lesson plan (grade 7 Mathematics)
- By Geneva Williams.
- Horizons Unlimited
- This wonderful education center and museum provides hands-on programs for students in the areas of history and the physical and biological sciences.
- Format: article/field trip opportunity
- Measuring pots
- In Intrigue of the Past, page 2.7
- Students will use an activity sheet or modern pottery rim sherds to compute circumference from a section of a circle and construct analogies based on their own experience about possible functions of ancient or historic ceramics.
- Format: lesson plan (grade 8 Mathematics and Social Studies)
- Working with available space
- Despite a space with limited possibilities, Becky Smith has organized a high school biology classroom where she can work and her students can learn. A classroom profile.
- By Sydney Brown.
- Where am I? Mapping a New World
- In Prehistory, contact, and the Lost Colony, page 3.2
- Early European travelers to the Americas reported bits and pieces of information back to Europe. Over the centuries, mapmakers assembled these reports into maps. As time went by, explorers and mapmakers compiled an increasingly accurate understanding of the Americas and of the world. To do so, they had to invent new tools for mapmaking, embrace radical new ideas about the shape of the world, and discard cherished beliefs.
- Format: article
- By David Walbert.
Resources on the web
- Celebrating Wildflowers
- Enjoy wildflowers in your region and learn about the values of these native plants. (Learn more)
- Format: website/lesson plan
- Provided by: USDA Forest Service
