Mathematicians practice communicating why the sum of two multiples of a number results in another multiple of that number. Encourage learners to construct a viable argument by applying the distributive property or by drawing a diagram....

Fifth graders explore common factors. In this factorization lesson plan, 5th graders discover the greatest common factor among two numbers in a game format. Students build on previous knowledge to determine the greatest common factor.

Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...

Who knew the sum of a number's digits gives such interesting information? The 18th installment of a 21-part module has scholars investigate division by three and nine. After looking at several examples, they develop divisibility tests...

Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...

Class members solve problems to find the whole when given a percent. They  use double line numbers and factors of hundred to help break the 100 percent into equal segments. 

Your future chefs will appreciate this comprehensive lesson where learners practice operations on fractions using pizza and soup analogies. Learners begin with a pizza analogy that requires the learners to multiply a whole...

A picture speaks a thousand words—no matter how old. The 18th installment of a 22-part series on the making of American history has scholars research the causes of the Great Depression and the factors of the New Deal. Using photographic...

Part of growing up is differentiating between good and bad habits; developing the positive and eliminating the negative. This resource on  life skills can be adapted to almost any age group. Class members participate in multiple...

Class members make a real connection to matrices in the 25th part of a series of 32 by looking at the identity matrix and making the connection to the multiplicative identity in the real numbers. Pupils explore different...

Can a presidential election cause a civil war? Learners research the events surrounding the presidential election of 1860 in a lesson that explores America's history. Using maps, videos, and primary sources, they uncover, brainstorm, and...

Fifth graders will be clamoring for s'more fractions after they finish this one! Motivated by a chocolate bar used for a yummy campfire treat, learners have to decide how to add fractions without like denominators by discovering the...

Small groups learn about a present-day nomadic culture in Mongolia and the threats to its existence by exploring a photo essay. The resource includes thoughtful discussion and writing prompts about cultural sustainability, the...

World War I was the first major conflict on a global scale. Using primary documents, learners determine why the United States chose to enter World War I when it did. After analytical writing and group research, the causes of America's...

Use 2x2 matrices to move along a line. The second day of a two-day lesson is the 28th installment in a 32-part unit. Pupils work together to create and solve systems of equations that will map a transformation to a given...

Young scholars inspect divisibility rules. For this divisibility rules lesson, students study the relationship between factorization and the divisibility rules for 2, 3, 5, 6, 9, and 10. Young scholars read One Hundred Hungry Ants and A...