Interactive
CK-12 Foundation

Fractions as Percents: Baking Cookies

For Students 6th - 8th Standards
A five-question interactive challenges mathematicians to solve word problems involving fractions as percents. Baking two different types of cookies and needing the exact amount requires scholars to make fractions, turn them into...
Lesson Plan
Curated OER

American Indian Flute and Math

For Teachers 11th - 12th
Students investigate the Math behind Musical instruments in this cross-curricular Math lesson on the Native American Flute and waveforms. The lesson can be accomplished in 6 days and includes an extensive materials list for successful...
Lesson Plan
Curated OER

First Degree Equations

For Teachers 9th - 12th
Young scholars establish a solid competence in solving all types of equations and a solid understanding of how variables and equations can be utilitzed to solve real life problems.
Lesson Plan
Curated OER

Rolling Marbles

For Teachers 5th - 6th
Students develop and use problem solving strategies to mathematically solve a word problem involving marbles. They solve the first part of the problem together as a class, and in small groups solve and write a solution for the problem...
Lesson Plan
Curated OER

Golden Ratio of the Human Body

For Teachers 9th - 12th
Students calculate the ratio of the height of the body to the height of the navel. They discover that the ratios are all approximately equal.