In this similar triangles learning exercise, students use proportions to solve for the missing sides of similar triangles. This two-page learning exercise contains 16 multi-step problems.

Middle schoolers construct a basic cylinder out of a piece of paper, then answer seven questions about their cylinder. Questions have to do with measurement, volume, radius, etc.

Can you tell how tall someone is just by looking at their feet? In this activity, young mathematicians measure their height, arm span, and foot size, graph their findings, and answer questions about how these measurements are related....

Analyze data on a graph to answer three questions after a robot race. Learners practice comparing ratios and reading points on a graph. Answers may vary on the last question based on accuracy of graphing. Use the lesson along with...

Skittles and math? Pupils will work as a class to determine how many orange Skittles are in a large bag by using proportions. They will problem solve, estimate, and share their thinking. Then, they will each receive a small bag of...

The learner must use the given constant speed to find the unit rate. A table is made in order to relate the speed to the time and the distance. From the table, learners are able to see the unit rate in miles per minute and miles per...

Stretch your mind about triangles. Given a triangle, scholars consider a smaller triangle formed when they stretch three rubber bands from each vertex to the opposite side. They determine the ratios of the areas and perimeters of the...

Students relate the ratio of Pi to the diameter of a circle. In this geometry instructional activity, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and...

For this geometry worksheet, 10th graders write the ratio that represents the sine and cosine of the indicated angle.  The one page worksheet contains two multiple choice questions.  Answers are included. 

Middle schoolers consider an individual habit and its cost. They study ratios and proportions, and use that knowledge to calculate the cost of a habit over extended periods of time. write a detailed comparison of the costs.

Students explore the concept of scale and ratio.  In this scale and ratio lesson, students work in groups to measure a given space such as a hallway, office, or gym.  Students measure their area using a meter stick. ...

Students derive the six trigonometric identities. In this trigonometry lesson, students find the ratios of sine, cosine and tangent using the right triangle. They use properties of the Pythagorean Theorem to find the trig identities.

In this Law of Sines activity, students use trigonometric ratios to determine angle measurement and/or the length of the side of a triangle. This one-page activity contains ten trigonometric ratio problems.

Students study the relationship between circumference and diameter to come up with Pi. "In this pi instructional activity, students measure, record and find the ratio "circumference/diameter" and their average which is an approximation...

In this music styles worksheet, students fill in a chart about the different music styles of their classmates and find the ratio, fraction, decimal, and percent of each style. Students complete 4 styles.

In this algebra worksheet, students complete word problems with ratios, splitting up numbers, and all operations. Students complete 10 word problems.

Young scholars explore shape perceptions. In this body image lesson, students take measurements of childrens' toys and use ratios to determine what the dolls would look like if they were real human people. Young scholars discuss the...

In this area of a circle worksheet, students determine the ratio of common area when two circles overlap and each passes through the center of the other. A detailed sollution is included.

Students investigate currency and exchange rates.  In the middle school mathematics instructional activity, students use ratio and proportion to convert from one type of currency to another.  Students solve problems involving...

Students investigate ratio and proportion as they solve problems. In this algebra lesson plan, students calculate the percent increase on salaries and convert between decimals and percents to calculate. They rate job positions from...

Students explore the ratio of circumference to diameter in order to estimate a value for pi.

Students, after reading an explanation from a NASA Web site, demonstrate an understanding of the text by applying it to questions involving the Thrust to Weight Ratio and Excess Thrust of an aircraft.

In this college level Calculus learning exercise, students use the ratio test to determine if a series converges or diverges.  The one page learning exercise contains six problems.  Solutions are not provided. 

Young geometers and biologists investigate the math of nature in an activity that is just the bee's knees. Participants will study the tessellations of hexagons in a beehive, along with the natural rationale behind the specific shape....