Sixth graders explore economics by solving business math problems. In this ratio and proportion instructional activity, 6th graders examine different meals to be purchased at a coffee shop and compare which prices make which meals a...

Students investigate the concept of using proportions to compare quantities while also practicing calculations for foreign exchange rates. They develop the skill of solving for unknown quantities of money while using an algebraic equation.

Students examine how driving a hybrid car can save money and cut down on pollution.  In this hybrid vehicles lesson students complete an exercise that shows them how to work with proportions, percents, dimensional analysis and...

Students calculate the distance they can travel on a tank of gas. In this algebra lesson, students use ratio and proportion to solve word problems. They graph their results and discuss their findings with the class.

Students utilize triangulation techniques to determine altitudes of objects. An altitude locator is constructed and used to determine the height of a building or a tree. Tangent tables and formulas provide the ratio for the formula to...

In this secondary mathematics worksheet, high schoolers determine the solutions to a riddle which involves the selling of peppers and whose solution requires the use of ratio and proportion.  The one page worksheet contains one...

Students complete the PLATO ¿¿ Educational Software instructional activity: Math Problem Solving: Car Costs to determine if he/she can afford to drive the car they are planning to buy.

Pupils explore percent increases and decreases. They calculate the percent increase and decrease. Students use math to solve problems and communicate. They apply the given formula for percent increase/decrease.

Students investigate currency and exchange rates.  In the middle school mathematics lesson, students use ratio and proportion to convert from Australian currency to the U.S. dollar and vice verse.  Students create their own...

Students explore number sense applications and discuss strategies for multiplication and division using mental math. For cross-curricular purposes, they explore causes and effects of inequality and social injustice. Students explore...

Young scholars find the identity o sine, cosine and tangent. In this precalculus lesson, students solve and identify the different parts of a right triangle. They use the ratios of the Pythagorean Theorem to find the missing side or angle.

In this similar triangles learning exercise, high schoolers solve 20 short answer problems. Students determine if two given triangles are similar.  High schoolers determine the type of similarity given two triangles. Students are...

The introduction to the lesson mentions a sailor's limited capacity to store drinking water on his ship. Pupils then set up an overnight experiment to remove freshwater from salt water by distillation. There is a math and map activity to...

Students research items that can damage hearing. They explore statistics about the decibels of certain objects. From the information collected, students create a bar graph. They formulate ratios to determine what sounds are harmful to...

In this similar figures worksheet, students solve and complete 4 different problems. First, they write a proportion and substitute. Then, students find the cross products and simplify. Finally, they divide each side to find the value in...

Young scholars use the human body as a foundation for gaining practice in measuring angles and calculating ratios and proportions.

Students use protractors, strings, and straws to construct a device used to determine the height of tall objects. In this applied geometry lesson, students use common objects to construct a tangent height guide. They use principles of...

Third graders practice measuring different objects. They discover the concepts of ratio and proportion and practice converting numbers into the correct unit. They read stories as well to help them with the concepts.

Fifth graders observe and demonstrate the meaning of percents by creating a new deck of fifty-two cards. They meet a specified criteria, with a specific percent of the cards being prime numbers, eight's, multiples of five, face cards,...

Discover trigonometric ratios that complement each other. Using two videos, the activity introduces the trigonometric ratios. The class discovers the relationship between the sine and cosine of complementary angles.

Learners of all ages investigate area and perimeter through pentominoes. In this geometry lesson plan, students calculate the are and perimeter of different geometric shapes and describe the properties of similar and congruent shapes....

Starting with similar triangles and dilation factors, this unit quickly and thoroughly progresses into the world of right triangle features and trigonometric relationships. Presented in easy-to-attack modules with copious application...

Your task today: count all the trees on a tree farm. To complete the assignment, learners first estimate the number of trees on a tree farm using random sampling. To improve their own response they then evaluate provided...

Students solve problems with slopes. In this algebra lesson, students identify the slope of a line and relate it to the rate of change.  They graph their lines on the TI and observe changes in the lines.