Activity
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Curated OER

Mathematical Treasure Hunt

For Teachers 3rd - 8th Standards
The hunt is on! Young mathematicians follow clues and complete a series of ten math puzzles as they try to crack Dr. Integer's code and find the location of his hidden treasure.
Printables
Curriculum Corner

7th Grade Math Common Core Checklist

For Teachers 7th Standards
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each...
Lesson Plan
Curated OER

Multiplication Mysteries

For Teachers K - 8th
Arithmetic apprentices practice problem solving and multiplication with a lift-the-flap pair of reproducibles. In this Halloween mathematics lesson, math monsters practice multiplication by making candy corn calculations. They practice...
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 5

For Students 5th Standards
Test young mathematicians' knowledge with an assessment aligned to California's fifth grade state standards. The exam covers a multitude of concepts including fractions and decimals, positive and negative numbers, measurement; and...
Lesson Plan
Curated OER

Measuring Real Stuff

For Teachers K - 1st
Looking for a good lesson plan on measurement? This one could be for ytou! Learners select and use appropriate nonstandard units to measure and compare lengths and weights of real-life objects. They use problem-solving skills to design a...
Lesson Plan
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Curated OER

The Geometry Of An Ox Skin

For Teachers 9th - 12th
High schoolers investigate the concepts of area and perimeter. The activity uses a legend to create a context for the proposed word problem. They use the skill of estimation in order to create an ox skin that is found in the story. 
Lesson Plan
Teach Engineering

All About Linear Programming

For Teachers 8th - 10th Standards
Class members connect engineering with an understanding of linear programming using a technical resource. Scholars learn about linear programming (linear optimization) and how it applies to engineering design in the first of two modules....
Lesson Plan
Curated OER

We're Off To the Races!

For Teachers 2nd
Second graders use a magnet to "race" objects from one side of a racing track to another. They predict what the results are, then run the race. Pupils sort and graph which items were successfully moved, they attempt to race again. This...
Lesson Plan
Curated OER

Math Sleuths

For Teachers 4th - 7th
Help learners practice their math skills by utilizing the Internet to research a mathematical topic. Your math sleuths will investigate a science or social studies topic from their curriculum and construct a Math Hunt Grid. They create a...
Lesson Plan
Illustrative Mathematics

Dimes and Pennies

For Teachers 3rd - 5th Standards
Help your fourth graders make cents out of fractions and decimals with this short word problem. After learning that dimes are one-tenth and pennies one-hundredth of a dollar, young scholars write a fraction and decimal for a given...
Activity
Baylor College

Air: The Math Link

For Teachers 1st - 3rd Standards
Inflate this unit on the science of air with these math skills practice and word problems. Accompanying the children's story Mr. Slaptail's Secret, this resource covers a wide range of math topics including the four basic...
Lesson Plan
Illustrative Mathematics

Two Wheels and a Belt

For Teachers 9th - 10th Standards
Geometry gets an engineering treatment in an exercise involving a belt wrapped around two wheels of different dimensions. Along with the wheels, this belt problem connects concepts of right triangles, tangent lines, arc length, and...
Assessment
Illustrative Mathematics

Party Favors

For Students 2nd Standards
Pia is putting stickers into party bags. She starts by putting 10 stickers in each bag, and over the course of a week she adds several bundles of ten stickers to each bag, as well as making more bags. Second graders must find the number...
Activity
Curated OER

How many movies can you see in one day?

For Teachers 4th - 8th Standards
For kids who love movies, figuring out a schedule for the maximum number that can be seen in one day is not only a good demonstration of Common Core mathematical practices, but also a highly motivating activity. Robert Kaplinsky...
Worksheet
Mt. San Antonio Collage

Elementary Geometry

For Students 9th - 12th Standards
Your class may believe that geometry is a trial, but they don't know how right they are. A thorough math lesson combines the laws of logic with the laws of geometry. As high schoolers review the work of historical mathematicians and...
Assessment
Illustrative Mathematics

Finding Trig Values

For Students 9th - 12th Standards
Let's keep trigonometry simple. When given a cosine ratio, learners must use the clues about the quadrant to determine the sine and tangent ratios. The answer key has a complete worked-out solution to help guide pupils through the...
Lesson Plan
Curated OER

Writing a Number Sentence

For Teachers 3rd
Third graders analyze word problems. For this number sentence lesson, 3rd graders evaluate word problems. Students create number sentences from word problems.
Worksheet
Curated OER

Solving Equations by Factoring

For Students 9th - 11th
In this solving equations by factoring learning exercise, students solve and complete 10 different problems. First, they solve each equation using the Zero product property. Then, students define a variable and use an equation to solve...
Lesson Plan
Curated OER

Scientific Notation

For Teachers 6th - 8th
Students solve mathematical equations involving scientific notation. In this scientific notation instructional activity, students collaborate in small groups discovering proper problem solving strategies.
Worksheet
Curated OER

Problem-Solving Decision: Choose the Operation 7

For Students 4th - 5th
In this mathematical operations worksheet, students read the information in the bolded paragraph and use those numbers to solve the word problems. Students determine which mathematical operation to use to solve the problem.
Lesson Plan
Curated OER

Multiplying Decimal Numbers: Using Zeros as Placeholders

For Teachers 4th - 6th
Explore decimals with upper graders. They solve problems from their textbook involving decimal multiplication. Afterward, as a class, they check their answers by comparing them to those projected with an overhead projector.
Worksheet
Curated OER

Solving Multi-step Equations

For Students 7th
Seventh graders solve 10 different problems that take multiple steps to solve. First, they combine like terms if necessary. Pupils isolate the terms that contain the variable they want to solve. In addition, they substitute their answer...
Worksheet
Curated OER

Solving Linear Systems by Substitution

For Students 9th
Need a worksheet to reinforce using substitution to solve linear systems of equations? This one contains 4 problems and plenty of work space. Tip: This would be a great quick review, warm up, or pair exercise.
Lesson Plan
Curated OER

Best lesson in the whole world!

For Teachers 6th - 8th
Students study the concept of fraction using mathematical reasoning. In this problem solving fraction activity, students use various methods to explain their reasoning in solving fractions. Students use a number of different prompts to...