Students examine the concept of radioactive dating. In this radioactive dating lesson plan, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.

Student sinvestigate the area and perimeter of polygons. They differentiate between similar and congruent polygons.. They identify the ratio and proportions of the sides and angles of polygons.

Students solve and analyze the sierpinski's triangle. In this geometry lesson, students identify properties and theorem of triangles. They solve problems involving angles and sides of triangles.

Second graders investigate logical reasoning. In this math vocabulary lesson plan, 2nd graders explore the words: always and sometimes while evaluating story problems. Students create images on KidPix to illustrate their understanding of...

Students investigate the concept of ten and how it is part of the real number system. They find the quantity of ten using as many combinations as possible. They can count using manipulatives, write on paper, or by doing mental math.

In this slope angles learning exercise, students discover the relationship between slope and angle.  Students complete tables of values and answer four discussion questions.

In this Pre-calculus worksheet, students solve problems involving hyperbolas. The two page worksheet contains explanation and four multi-part questions. Answers are not included.    

Students investigate an accident and relate it to math. In this trigonometry lesson, students measure the accident scene, the friction produced, and the speed from the skid marks. They create a poster of their findings.

Seventh graders investigate a ratio found in nature and in numerous pieces of artwork throughout history. The instructional activity is cross-curricular and builds a sense of appreciation of design for students.

Students draw triangles and explore the classification of each using the measures of interior angles and lengths of sides. They investigate the sum of the interior angles of various triangles and conjecture and prove the theorem: The...

In this slope exploration activity, 9th graders solve and complete 18 different problems that include graphing and investigating the slope of various equations. First, they graph each pair of points and draw a line that contains both...

In this probability worksheet, students make a set of cards with letters (instructions provided) and use them to solve 5 probability investigations.

Learners investigate the differences between linear and exponential models.  In this linear and exponential models lesson, students make a table of given data.  Learners determine if the data is linear or exponential by...

Students investigate the volume of a solid.  In this calculus lesson, students use integration to find the volume of a solid generated by a region, the Orion crew module. 

Students explore game theory.  In this secondary mathematics lesson, students investigate the playing of a game called Hog which involves rolling dice.  Students explore many different scenarios as they consider the best...

Students explore proportional reasoning.  For this middle school mathematics lesson students investigate scale drawings as they create a proportional representation for the carvings on Mt. Rushmore.

Eighth graders investigate the basic concepts of probability. In this probability lesson, 8th graders learn the associated probability. They work with spinners, colored cubes in a bag, flip coins, and choose colored candies while they...

Seventh graders investigate 2-D and 3-D objects. In this geometry lesson, 7th graders begin to understand spatial reasoning. Students look at pictures of the NYC Skyline and discuss what it looks like from different views. Students use...

Seventh graders convert among decimals, percents, and fraction with and without a calculator.  In this seventh grade mathematics lesson, 7th graders explore strategies that help them to remember how to perform the needed operation...

Fourth graders investigate patterns and sequences.  In this patterns and sequences lesson, 4th graders use a hundreds chart to build recurring patterns.  Students skip count by threes and fives on a hundreds chart by coloring...

Students investigate the linear characteristics of cultural art.  In this art analysis lesson, students discover the Pre-Columbian Chimu culture and the many masks they created.  Students identify the different shapes and lines...

Students relate mathematics to braiding and knots.  In this braiding and knots lesson, students calculate the components for building braids. Students share their braids investigations.

Students investigate Mayan Numbers. In this algebra lesson, students compare our number system to the number system of the Mayans. They identify base 10 and base 20 numbers including zero in the Mayan symbols. They solve a Mayan problem.

Students investigate Microsoft excel. In this technology lesson, students create formulas using excel and apply these formulas to solve relative, absolute and mixed reference cells. They perform immediate and delayed calculations.