In this algebra learning exercise, students solve equations by applying direct variation relationship. They solve problems using proportions and ratios while using direct variation. There are 3 problems with an answer key.

Seventh graders create a video of different formats to deliver a presentation of a math concept such as square roots, decimals, fractions, and more. In this math presentation lesson plan, 7th graders can plan a rap video, story,...

Tenth graders solve for missing sides on a triangle using the Pythagorean Theorem. In this geometry lesson, 10th graders are introduced to basic trigonometry functions as they solve problems of right triangles. They discuss the...

Students study polyatomic ions and write binary and ternary ionic chemical formulas. They explore putting together different monatomic ions and coming up with as many chemical formulas as possible. They play a game similar to memory...

In this gas stoichiometry worksheet, high schoolers use the ideal gas law and balanced chemical equations to solve for unknown values such as volume and mass of gases.

Students apply concepts of scales to solve problems. In this geometry instructional activity, students solve real world problems using scales, proportions and ratios. They predict the actual size of a model given the scale drawings.

Students collect data, use a computer spreadsheet program to create various graphs, and compare the graphs. They state the findings of each graph in writing and decide which graph type best represents the data.

Students explain why a transiting planet causes a periodic dimming in the light from its parent star. They determine the radius of a planet, and its orbital distance, by analyzing data and manipulating equations. Students compare the...

Seventh graders use a protractor to measure angles and solve a problem involving distance. In this measuring angles with a protractor lesson plan, 7th graders calculate the distance of a line on a diagram by using a protractor to measure...

Students create scale drawings, and ultimately scale models, of real-world objects in this Math lesson about ratios, proportion, scaling factors, and cross products. The lesson includes ideas for cross-curricular extensions and is...

Students measure a set of Russian dolls using the metric system. In this measurement lesson plan, students identify certain relationships between sets of measurements by measuring a set of Russian dolls and presenting their findings to...

Fourth graders study fractions. In this fractions lesson, 4th graders define fraction-related vocabulary words. Students use beads to study fractions. Students draw shapes to study fraction equivalency and brainstorm fractions they use...

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 observe and solve examples of corresponding angle postulates, alternate interior angle theorems, and exterior and consecutive angles. They complete the Determining Angle Measure With Parallel Lines worksheet.

Eighth graders extend skills for representing and solving linear equations to linear inequalities. Lesson activities build understanding and skill by plotting ordered pairs of numbers that either satisfy or do not satisfy a given...

Students discuss the nature of fractions and compare fractions based on a similar whole to determine relative size.

Students use the Internet to gather information on tides and then use this information to determine the period of revolution of the moon around the earth (part 1) and the relative pull of the sun and the moon on the tides (part 2).

Middle schoolers investigate water usage, water available, and water demand historically in the local area. They use projections of water usage, availability and demand up to the year 2050. Students use graphs to relate as well as...

Students explore and examine the increases and/or decreases for water user groups: irrigation, municipal, manufacturing, steam electric power generation cooling, livestock, and mining. They utilize percentage changes during their...

Students solve problems using geometric means. In this geometry lesson, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.

Students compare different aspects of investing money from traditional savings accounts to money market accounts. They research investment accounts at local banks and compare them.

Students predict the shape of a geometric figure in 3D. In this geometry lesson, students construct 3D shapes to perfect their knowledge of measuring and predicting. This assignment is also available as an online interactive...

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.