Second graders use a number line to understand multiples.  In this number line instructional activity, 2nd graders use a floor size number line and calculate problems with multiples. Students complete a worksheet with multiples.

Taking the notion of symmetry to the next level, this looks at combining rotation and translation symmetry to build spiral symmetry in three dimensions. Using the Zome modeling system and an instructor’s guidance, geometers try to build...

Students tackle the problem of how to divide a triangular piece of land fairly among four people. They decide whether their method of fair division always works or if it only works in special cases.

Without ever using the actual term, this exercise has the learner develop the key properties of the midsegment of a triangle. This task leads the class to discover a proof of similar triangles using the properties of parallel...

Fibonacci numbers are not only found in the classroom but also in nature. Explore the concept of Fibonacci numbers through a series of lessons designed to gain insight into the mathematical reasoning behind the number pattern, and spark...

Fourth graders develop strategies for identifying geometric and number patterns. In this mathematical patterns lesson, 4th graders use pattern blocks to make repeating patterns with numbers and shapes. Students then explore number...

Drug addiction, including prescription drug addiction, begins with a reason that's different for every user. High schoolers learn more about the reasons people begin abusing drugs with a set of videos and worksheets that discuss four...

Students work in teams to choose a design and use this to learn about the problem solving spiral. In this problem solving lesson plan, students state the steps of the spiral and discuss how it relates to their experiences.

Students study the Maya culture and their achievements in mathematics, how bacteria grow exponentially, use rational numbers to convert back and forth between Celsius and degrees Fahrenheit, how some architectural designs are examples of...

Emerging statisticians develop the ability to make inferences from sample data while also working on proportional relationships in general. Here, young learners examine samples for bias, and then use random samples to make...

How can you prove it? Guide classes through an exploration of two possible triangle congruence criteria: AAS and HL. Learners connect this criteria to those previous learned and also explore criteria that does not work. The lesson...

The first thing to note is that this lesson was written for use in a parochial school. Even if you are in a non-religious setting, however, the website exploration of galaxies and the accompanying worksheet make for an engaging...

Madness, violence, despair—the titular character of Shakespeare's Macbeth is spiraling out of control. Pupils first explore the topic with a collaborative jigsaw discussion. At the end of the instructional activity, they write about how...

First graders practice identifying number patterns. For this basic patterns lesson, 1st graders use a large number line and jump to certain numbers to create, identify or extend a pattern. This lesson includes a script to guide the teacher.

Students create lines and shapes with a compass and a straight edge. In this geometry instructional activity, students investigate square roots, irrational numbers and spirals. They explore nature to see the shapes representing...

Eighth graders spell double-letter words.  In this spelling instructional activity, 8th graders practice pronouncing words that contain double consonants.  Students examine words with one or more sets of double letters, and...

Students are introduced to the concept of interconnectedness and make connections regarding conflict in their community, country, and the world. In this interconnectedness lesson plan, students define the word conflict and what that word...

Fifth graders review the concept of a line of symmetry by using pieces of paper that have pictures such as, letters of the alphabet, polygons, and designs made from polygons in order to determine if they have symmetry. The fine,...

Before one can understand the military tactics practiced throughout history, he needs to become familiarized with tactics practiced in the ancient past. Learners take a critical look at the military logistics used by Alexander the Great...

“There is an ecstasy that marks the summit of life” and an excitement that comes with finding a good teaching resource. Included in a richly detailed packet designed to accompany The Call of the Wild, are a tableaux exercise, a...

Third graders review concepts of fractions, and one-half. They discuss self portraits and the relationships of eyes, nose and mouth to the whole face. Students create base-line self-portraits. On the second day, 3rd graders observe and...

So many shapes in our vast oceans. Young explorers can discover new shapes in a variety of ways in this instructional activity. One way is having free exploration with a pattern shape kit handed out by the teacher. Another is...

Do your young readers have difficulty visualizing what they read? Although the activity described here is for The Call of the Wild, the strategy could be used with any narrative. At the conclusion of each chapter of Jack London’s novel,...

Young scientists build on their previous knowledge and apply it to coronal mass ejections. By plotting the path of two different coronal mass ejections, they develop an understanding of why most don't collide with Earth.