Learners identify and apply properties of triangles. In this geometry lesson, students define equilateral triangles by sides and angles. They build cardboard triangles as they study properties of triangles.

Students investigate fractions through interactive videos and hands-on activities and class made models.

Middle and high schoolers have a clarified definition of probability, they explore about outcomes in probability and how to calculate experimental probability. They use computers to learn about probability.

Use this worksheet for practice or review solving linear equations in one variable. Problems range from multiple-step problems involving parentheses and combining like terms, to word problems, to equations with no solution or infinitely...

Third graders are asked how multiplication, division, addition and subtraction are related. After being read part of a book, they work together to build a model between addition and multiplication. To end the lesson, they write about...

Students practice identifying even numbers. In this even numbers instructional activity, students identify the pictures of even numbers, complete multiplication equations, and answer even and odd number riddles.

Students examine basic facts about the anaconda. They discuss the length of an anaconda, estimate the length of 33 feet, compare their estimate to the actual length, and decorate the paper snake with colored scales.

Mapmaking was a very important element in successfully planning attacks on enemies during the Civil War. Guide pupils through the process of pacing to find the average length of their steps, measure the distance between one object...

Fifth graders model and distinguish between prime and composite numbers. Students are paired up with another classmate to complete this lesson. Students are assigned different numbers to work with, they use square tiles to form as many...

Third graders are introduced to how to divide by 3 and 4. They are told that are going to use the same procedures as they did on yesterday, except with new divisors. Students turn their attention to the Paddle Problem on page 206 of...

Students experience how to illustrate some of the many connections between number and geometry. Through this 2-3 day focus on square numbers and triangular numbers, students make connections among mathematical topics.

Fourth graders practice making patterns using Unifix cubes and identify, analyze, and determine rules for describing numerical patterns involving operations and nonnumerical growing patterns. They also find an example of a pattern in...

Students calculate probability. In this lesson on probability, students use given data to calculate to chances of a given event occurring. Many of the calculations in this lesson are applicable to daily life.

Third graders read and discuss math story problems and analyze if the story is using equal groups or unequal groups. They listen to the book "12 Ways To Get to 11," and simulate the story using beads on a pipe cleaner. Students then...

Fourth graders read "The Far Away Drawer" by Harriet Diller and discuss the story as a class. After discussion, 4th graders create a t-shirt GLYPH about their hopes and dreams,share their information with the class and create spreadsheets.

Students demonstrate striking skills and multiplication facts. In this striking skills instructional activity, students use multi-colored hoops to practice their striking accuracy. Students track their accuracy in various ways, such as...

Students conduct a series of experiments in which they explore chemical reactions. They detect chemical changes by observing how physical properties change when two different chemicals are combined. They list and describe the reactants...

Fourth graders use graph paper to make models of perfect squares. They be given a word problem in a worksheet imbedded in this plan. They may work in small groups or work alone to figure out the answer.

In this Christmas problem solving activity, learners solve 7 mathematical problems by first doing the work in parentheses and then solving each problem.

Students play dominoes with regular dominoes rules with some modification. Every student keep score. Every count be used--not just the 5's as in dominoes. They count outside points using white dots as positive and red dots as negatives.

Students identify numbers as prime or composite and complete prime factorization of composite numbers.

In this dividing fractions worksheet, learners divide fractions by whole numbers and look at pictures of pies. Students complete 8 problems total.

Students explore sampling with and without replacement. They explore the effects on the probability of drawing a desired object. Students examine probability and the difference between sampling with and without replacement.

In this understanding equivalent fractions worksheet, 5th graders use a computer program for instruction, then answer 15 questions about equivalent fractions.