Assessment
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Illustrative Mathematics

But Mango Is My Favorite...

For Students 10th - 12th Standards
Opening up a package of fruit snacks is like a box of chocolates, you never know what you're going to get. When all the mango flavored ones are missing, learners calculate the probability that one bag versus the whole box is missing the...
Assessment
Mathematics Assessment Project

“Ponzi” Pyramid Schemes

For Students 8th - 9th Standards
Use mathematics to show your classes the power of a good model. Young mathematicians analyze the famous Ponzi pyramid scheme using an exponential pattern. They make conclusions on the reliability of the plan and why it is illegal. 
Assessment8:47
Mathed Up!

Probability

For Students 7th - 9th Standards
How likely is it to draw a blue marble? Pupils find the likelihood of events and connect that to the probability of the event. They find the probabilities of simple events and show their probabilities on a scale.
Unit Plan
Mathematics Vision Project

Systems of Equations and Inequalities

For Teachers 9th - 10th Standards
It's raining (systems of) cats and dogs! The fifth unit in a nine-part course presents systems of equations and inequalities within the context of pets. Scholars use systems of inequalities to represent constraints within situations...
Lesson Plan
Curated OER

Analyzing a Plot Conflict

For Teachers 6th - 7th Standards
Sixth graders analyze plot conflict with science fiction and TV programs. After discussing the conflict, they identify solutions for the programs selected. They examine Only You Can Save Mankind for conflict, and consider ways the...
Worksheet
Curated OER

Ten Flashing Fireflies

For Students 1st - 3rd
How many ways can ten fireflies be arranged in (and out) of a jar? After your class has read Ten Flashing Fireflies, this is a great way to incorporate some relevant math. Cut-out templates of the ten fireflies and the jar are...
Lesson Plan
Curated OER

Creative Problem Solving

For Teachers 3rd - 5th
Students respond to a situation presented about the wetlands. For this wetlands lesson, students understand the various opinions over the use of areas in the wetlands. Students complete a worksheet using critical thinking questions about...
Worksheet
Curated OER

Mixture Word Problems

For Students 7th - 9th
In this mixture word problem worksheet, students read problems and determine the correct amount of mixture needed for the given situation.  This two-page worksheet contains 10 multi-step problems.  Answers are provided on the...
Worksheet
Curated OER

Mixture Word Problems

For Students 9th - 10th
In this algebra worksheet, students solve word problems related to mixtures. They figure out cost per kg, concentration of chemicals and percent of mixtures. There are 12 problems with an answer key.
Worksheet
Curated OER

Equilibrium Practice Problems

For Students Higher Ed
In this equilibrium worksheet, students answer thirty multiple choice problems including topics such as pH, analyzing titration curves, calculating molar concentrations and working with equilibrium constants.
Worksheet
Curated OER

Acid and Base Problems

For Students Higher Ed
For this acid and base worksheet, students use seven steps to calculate concentrations of ions in acidic and basic solutions. They also determine the type of acid or base.
Worksheet
Curated OER

Additional Aqueous Solution Review Problems

For Students 11th - Higher Ed
In this solutions worksheet, students balance chemical equations, classify reactions by the type of reaction it represents, and review the solubility rules. Students practice working out double displacement, neutralization, and dilution...
Worksheet
Curated OER

The Ten Numbers Problem

For Students 9th - 10th
In this algebra worksheet, students are asked to use algebra to solve a word problem. They place numbers from 1-10 on a grid without having consecutive numbers touching. There is an answer key.
Worksheet
Curated OER

Reactions in Aqueous Solutions

For Students 10th - 12th
In this solutions worksheet, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This worksheet has 15 problems to solve.
Lesson Plan
Curated OER

Problem Solving---A Part of Everyday Thinking

For Teachers 4th - 12th
Students demonstrate knowledge of the six basic steps to problem solving. They demonstrate ability to apply these six basic steps to problem solving by guiding other students in the solution of a given problem or set of problems.
Lesson Plan
Curated OER

Hot Problem Solving

For Teachers 4th - 6th
Students follow the steps of the engineering design process to meet the challenge of getting their entire class from one location on the playground to the sidewalk without touching the ground between. The class develops a well...
Worksheet
Curated OER

Precalculus Problem Solving Worksheet

For Students 12th
For this precalculus worksheet, 12th graders solve seven problems by finding complete set solutions and graphing them. they also convert equations to sines and cosines.
Lesson Plan
Curated OER

River Optimization Problem

For Teachers 8th - 10th
Students define the different methods used for optimizing a particular element of a problem. In this optimization problem lesson, students optimize appropriate details of a problem using data collection, algebra, technology, and/or...
Lesson Plan
Curated OER

Community Problem Solving

For Teachers 5th - 9th
Learners use community problem solving to solve a littering problem in the community of San Carlos. Students use a Role Play Description to learn this process.
Worksheet
Curated OER

Solutions and Solubility Review

For Students 9th - 12th
In this solutions and solubility review worksheet, students are given main ideas about intermolecular forces, concentrations of solutions, molar solutions, ionic equations, solubility rules, acids and bases and titrations. Students...
Lesson Plan
Curated OER

Problem Solving

For Teachers 2nd
Second graders read Ronald Morgan Goes To Bat and answer comprehension questions.  For this problem solving lesson, 2nd graders recognize that Ronald has a problem and find a solution. Students predict the outcome of the story.
Worksheet
Curated OER

Hand Bell Problem

For Students 9th - 11th
In this algebra worksheet, students use a word problem to solve the Hand Bell Problem. They are given information about the problem and also the solution to the problem.
Worksheet
Curated OER

The Test Problem

For Students 9th - 12th
In this word problem learning exercise, students solve 1 word problem in short answer format. Students determine an unknown grade on a test given a formula, a few quiz grades, and a final grade by using averages.
Worksheet
Curated OER

Apple Cider Problem

For Students 9th
For this algebra worksheet, 9th graders analyze how to measure exactly 4 liters of apple cider with 5 liter and 3 liter pails. There is an answer key with this problem.

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