Interactive
Curated OER

Ten Multiple-Choice Circle Problems

For Students 9th - 10th
In this circle worksheet, students solve ten multiple-choice questions concerned with the area, radius, diameter, and circumference of a circle.  The solutions are provided by clicking on the "show answers" button on the bottom of...
Activity
Curated OER

Math Challenges

For Teachers 7th - 9th
Students participate in a series of challenging math lessons designed to engage their critical thinking skills. In these real-world problem solving lessons, student solve symmetry and repeated pattern problems, make lists/tables to...
Assessment
Noyce Foundation

Truffles

For Teachers 6th Standards
Knowing how to scale a recipe is an important skill. Young mathematicians determine the amount of ingredients they need to make a certain number of truffles when given a recipe. They determine a relationship between ingredients given a...
Activity
National Council of Teachers of Mathematics

Eruptions: Old Faithful Geyser

For Teachers 9th - 12th Standards
How long do we have to wait? Given several days of times between eruptions of Old Faithful, learners create a graphical representation for two days. Groups combine their data to determine an appropriate wait time between eruptions.
Activity
Illustrative Mathematics

Dimes and Quarters

For Teachers 8th - 12th Standards
Here is a coin problem where the algebra learner determines the pair of linear equations needed to solve the system. Whether the equations are taken from a table, or your scholars recognize the format of a coin problem, it is an...
Worksheet
College of Marin

General Addition and Multiplication Rules of Conditional Probabilities

For Students 10th - Higher Ed Standards
Making connections between multiple methods of solving problems is an important part of understanding conditional probability. The lesson shows solutions to problems using Venn diagrams, tree diagrams, formulas, and...
Worksheet
Curated OER

Line of Best Fit

For Students 7th - 8th
In this line of best fit instructional activity, learners solve and complete 8 different problems that include plotting and creating their own lines of best fit on a graph. First, they study the samples at the top and plot the ordered...
Lesson Plan
Curated OER

Going Graph-y

For Teachers 2nd
Second graders listen to and dicuss the story Where the Wild Things Are. They play a pantomime game and act out various feelings so their classmates can guess. They listen for the frequency of certain words, and record their findings on...
Assessment
Curated OER

2004 U.S. National Chemistry Olympiad Part I

For Students 9th - 12th
In this chemistry activity, test takers answer 60 multiple choice questions on topics related to chemistry from balancing equations to calculating moles and molecules of compounds. They name formulas, they convert, they solve problems on...
Interactive
CK-12 Foundation

Values Written as Powers: Binary Numbers 25 to 31

For Students 6th - 8th Standards
A five-question interactive boosts proficiency in working with binary numbers. Multiple-choice, short answer, and discussion questions challenge mathematicians to write numbers 25 through 31in exponential and binary form. An adjustable...
Lesson Plan
Curated OER

Pike Problems in Lake Davis

For Teachers 8th - 12th
Pike fish pose a threat to native trout and catfish in lakes. Would you drain and poison a lake to get rid of the Pike fish? If the lake was drained and poisoned, then refilled and repopulated with trout and catfish, how would you...
Lesson Plan
Curated OER

What Is It?

For Teachers 8th - 10th
You have to love lessons that foster problem solving strategies. This one has upper graders devise and employ their own strategy to solve given problems after they have used classics like guess/check, substitution, make a table, and look...
Lesson Plan
Illustrative Mathematics

Kendall's Vase - Tax

For Teachers 6th - 7th Standards
Practice sales tax when using the activity with three solution choices. Learners can use a percent table, benchmark percent, or solve by calculating. Solutions don't show how to multiply by the decimal, but method can be added in....
Lesson Plan
Curated OER

What Do We Do With A Dirty Bomb?

For Teachers 7th - 10th
Students examine composition of dirty bomb and its possible effects on a city, and investigate simulations of such an event; students use computational and problem solving skills to assess damage and prepare report proposing solution to...
Lesson Plan
Curated OER

A Day to Remember!

For Teachers 4th - 8th
Students study math. In this real-life problem solving lesson, students work on their skills dealing with time and money. They work in small groups on various time and money word problems and by the final day they have a final problem...
Lesson Plan
Curated OER

A “Scientific” Approach to Buying a Car

For Teachers 9th - 12th
Young scholars examine what it takes to purchase a car and the resources out there to help find what you are looking for.  In this scientific method lesson students complete different problem solving situations.
App
1
1
Pala Software

MathBoard

For Students 3rd - 10th Standards
Do you want to practice arithmetic skills from simple addition facts, to cubes and square roots, to solving one-step equations? Here is a great app for practicing and learning everything from arithmetic practice using integers to solving...
Lesson Plan
LABScI

Harmonic Motion: Pendulum Lab

For Teachers 9th - 12th Standards
Several times throughout history, groups of soldiers marching in rhythm across a suspension bridge have caused it to collapse. Scholars experiment with pendulums, resonance, and force to determine why this would happen. First, pupils...
Lesson Plan
Curated OER

Hop To It!

For Teachers 4th - 5th
Students determine patterns. In this mathematics lesson, students act out a skit, play a sequence game, and complete patterns. Students use problems solving skills.
Worksheet
Curated OER

Problem-Solving Strategy: Make an Organized List

For Students 6th - 7th
In this organized list worksheet, learners review the problem solving strategy of reading for information and using a math model or organized list to solve the problem. Students then complete the two problems by using organized lists.
Worksheet
Curated OER

Leveled Problem Solving Converting Between Systems

For Students 5th - 6th
In this measurement conversions activity, students solve the problems by converting the measurements in each problem to the given systems.
Worksheet
Curated OER

Word Problem Solving Strategies

For Students 6th - 7th
In this word problem strategy worksheet, students solve and complete 11 statements related to solving a word problem in steps. First, they determine what is needed and what is important in the problem. Then, students explain how they...
Worksheet
Curated OER

Camp Out

For Students 4th - 6th
In this reading tables worksheet, students read a table regarding camping activities. Students respond to 6 questions regarding the data.
Worksheet
Curated OER

Data Handling: Pictogram of Birds

For Students 2nd - 4th
In this pictograph problem solving worksheet, students analyze a pictograph of birds seen each day for a week. They use the information on the graph to solve 6 problems.