Mascil Project
Teaching Geometry Through Play
Puzzle your way through to a new understanding of area. Scholars learn about the area of polygons through equidecomposability, the idea that polygons that can be decomposed into the same set of pieces have the same area. By using...
College Board
2000 AP® Computer Science A Free-Response Questions
Coding works for other fields. The free-response questions for AP Computer science require pupils to develop code to solve a problem. Problems range from creating a histogram to developing an encryption program. Teachers use the...
Education Development Center
Word Problem with Rational Numbers—Balancing Bars of Soap
Here's a resource teachers won't want to wash their hands of. Given a task where a full bar of soap is on one side of a balance and 3/4 of a bar of soup and a 3/4-ounce weight is on the other side, young mathematicians must determine the...
Curated OER
Qualitative Analysis and Ksp Calculations
In this compounds worksheet, students determine which anion is present in solution from the results of testing with various reagents. Students compare the solubility of different compounds in water. This worksheet has 7 fill in the blank...
Curated OER
Buffers
In this buffers worksheet, students calculate the pH of buffer solutions and compare the pH after solutions are added together. This worksheet has 6 problems to solve.
Curated OER
Dilutions Worksheet
In this dilution worksheet, students determine the final concentrations of solutions after a specific amount of water has been added. This worksheet has 4 problems to solve.
Curated OER
Systems of Equations
In this solving systems of equations worksheet, 9th graders solve and complete 6 different problems by graphing each one. First, they determine where the lines are located if a system of two equations has no solution. Then, students...
Curated OER
Equivalent Fractions
In this equivalent fractions worksheet, students answer yes or no to if the 2 fractions given are equivalent or not. Students complete 10 problems.
Curated OER
Fun Crystal Activities
Students complete a variety of activities to learn about crystals. In this crystals lesson plan, students paint with a crystal solution, pan for crystals, grow crystals, and more.
Curated OER
Disease and Nutrition
Students study disease and explore how it can be avoided or treated with simple solutions. In this investigative lesson plan students create a food chart for two weeks for themselves to track and be sure they are getting all...
Curated OER
Word Problems-No Problem!
Third graders create and solve story problems using drawing and presentation software. Working in small groups, 3rd graders create illustrated presentation slides using multiplication facts. As a class, all group multiplication problems...
Curated OER
Determine the molarity of an unknown HCl solution
Students complete a lab to help develop a comprehension of stiochiometry. They review equation writing, equation balancing, and stiochiometry. Studnets are given the following information: Sloppy students from the previous class have...
Curated OER
Sugar Solutions
Seventh graders study biological systems and how they reach equilibrium. In this system balance lesson students divide into groups and complete an osmosis lab activity.
Curated OER
No Lights Tonight
Students explore use of batteries and electrical power on farms in the 1930s.
Curated OER
Martin Luther King, Jr. and Malcolm X: A Common Solution?: Lesson Plan
Students explore the ideological and political development of Martin Luther King, Jr. and Malcolm X through primary source documents. They identify the various personal, social, and political factors that influenced Martin Luther King,...
Center for Innovation
Air Pollution: What is the Solution?
For this air pollution worksheet, students use an online simulation called "Smog City" to manipulate different conditions that affect air pollution. Students answer questions about the health effects at peak ozone levels for different...
Curated OER
Jumping to Solutions
Students explore two-step linear equations. In this middle school Pre-algebra instructional activity, students create and solve equations that describe how a person got to an end postion on a ruler by jumping. After...
Curated OER
Pollution Solution
Students explore the concept of environmental stewardship. In this science lesson, students investigate the effects of oil spills and brainstorm ideas to help companies avoid them as they create models to demonstrate their attributes and...
Curated OER
Sense of Place: No River Too Wide-Bridges
Fifth graders discover the history of their hometown Des Moines River. In this U.S. Geography lesson students speak with Iowans that tell stories of the settlers and early villages near the Des Moines River. Students document...
Curated OER
Solving Inequalities
This is a nice activity on solving one variable and compound inequalities. Learners solve inequalities and graph the solution on a number line. The two page activity contains explanation and sixteen practice problems.
Curated OER
Systems of Equations in Two Variables
In this algebra worksheet, pupils work with pairs of linear equations. Three problems ask students to determine if the given ordered pair is a solution of the system of equations. Pupils graph two systems to determine the solution.
Illustrative Mathematics
Voting for Two, Variation 2
John won the election, but by how much more? Your learners will calculate how many votes each candidate received in order to determine the difference. Use with other lessons provided in the series to practice different variations of this...
Illustrative Mathematics
Friends Meeting on Bikes
It is the job of your mathematicians to figure out how fast Anya is riding her bike when meeting her friend. The problem shares the distance, time spent riding, and Taylor's speed leaving the last variable for your learners to solve. Use...
Illustrative Mathematics
Voting for Two, Variation 3
After calculating election votes, your learners must determine how many votes the winner, John, got above 50%. This multi-step problem encourages them to think in a deeper way about what the question is asking them to find. Use with...