Investigate the area and perimeter of polygons in this geometry lesson. Young geometers use grid paper to draw a quadrilateral and calculate its area and perimeter. They also read The Greedy Triangle to identify the changing shape of...

With instructions to adapt the activities for any grade K-12, any teacher can incorporate the concept of scale into the classroom with a simple, yet effective lesson.

What do your pupils want to save up their money for? Based around the book The Pickle Patch Bathtub, this lesson plan covers opportunity cost, saving, and spending. Learners participate in a discussion and practice making their own...

Dominoes, polyominoes, tetrominoes, and pentominoes are the subject of this interesting math activity designed for middle schoolers. Pupils cut out shapes that are embedded in a worksheet in the plan, and experiment with them by...

Youngsters count, classify, and estimate quantities using buttons after a read aloud of The Button Box by Margarette S. Reid. They discuss the difference between guessing and estimating. Based on an experiment, they predict the...

Engineering design projects serve as great opportunities for collaborative problem solving. In this case, students work in small groups designing, building, and eventually testing a structure that meets a teacher-specified objective. It...

Lead the class in a review of the basic concepts and procedures involved in measuring length, weight, and volume. After whole group instruction, small groups and individuals practice measuring by completing a variety of fun activities...

Children explore fractions on a conceptual level by making individual quilt squares. Each student works with small paper swatches to divide them into pieces that represent a given fraction. The class is then separated into groups and...

Here is a very interesting way of studying triangles and polygons. Pupils work together and use pieces of string to create a variety of shapes. Depending on how many kids are manipulating the string at any one time, the number of...

Introduce the concept of a correlation coefficient using an interactive lesson. Learners begin by manipulating a correlation coefficient and watching a graph change to represent the new value. Questions help strengthen their...

Cameras use histograms to communicate the exposure of a photograph. An interesting lesson uses this idea to help learners deepen their understanding of histograms. It highlights the skew of the graphs by showing under- and overexposed...

More than 80 percent of the earth's surface originated from volcanoes. The 16th lesson in a 20-part series introduces the shape and development of volcanoes. It begins with a demonstration using a balloon and flour to illustrate the...

Teams of Texas tourists gather into groups to analyze what they can do with $50 worth of an alternative fuel. They write checks, keep a balance sheet, and map out their sight-seeing route taking into consideration the location of...

Kindergarteners use worms, puppets or other props to practice counting to 100. First, they listen to a read aloud of Count Worms by Roger Hargeaves. A worm pattern is used to count to 100, with each segment of the worm...

Sixth graders convert customary linear measurements. They explore using ratios to convert from inches to feet, ounces to pounds, etc. In groups, 6th graders complete conversions. They explain to the class how to solve their problems.

What is the difference between area and volume? Have your charges build models of square centimeters, square inches, square feet, square meters, etc. It's definitely challenging, but there is no better way to learn than by trying...

Fifth graders practice using the English measuring system by creating fractions.  In this parts of a whole lesson plan, 5th graders combine math key bars to simulate small parts of a bigger item.  Students combine the pieces to...

Students explore measurement by measuring classmates' heads. They record their measurements and they put the measurements in order from smallest to largest. Students figure the mean, median, mode, maximum, minimum, and range of their...

Students measure distances. In this proportions lesson, students use a map to find how far it is between different cities. Students use their knowledge of measurement, multiplication and fractions to find the distances.

In this Pythagorean Theorem worksheet, learners solve seventeen Math Regents Exam questions using the Pythagorean Theorem.  The solutions are provided.

Students participate in a lesson that has the intention of working on estimation skills. They use pumpkins to estimate the number of seeds are inside. They collect data for each pumpkin and compare it to the estimation. Students question...

Sixth graders toss popcorn kernels at a 12? circle inscribed in a 12? square. By counting the number of popcorn kernels that land inside the circle and inside the square the students calculate estimates for the value of pi.

Students complete activities to study the frost and frost depth. In this frost study lesson, students use frost tubes to study and measure the frost at their school. Students measure the frost in the tube and enter their data online to...

Middle schoolers search for yarn representing insects on school grounds. They discuss which colors where found more frequently and why after the experiment. They use their math skills to determine percentages.