App
Third Rail Games

Factor Samurai

For Students 3rd - 5th Standards
Master composite and prime numbers with this fast-moving game. Using your sword, slice those composite numbers and watch them break up into factors. Slice again if those factors are composite. However, watch out for prime numbers,...
Worksheet
K12 Reader

Appositive Match

For Students 4th - 8th Standards
Here's a worksheet that assess how well kids understand appositives. After matching a series of general nouns with words or phases that tell more about the noun, learners uses the matched set to form sentences with appositives embedded.
Lesson Plan
Curated OER

Fuel Cell Experimentation

For Teachers 6th - 8th Standards
With rising oil prices and increasing concerns over global warming, the pressure is on for engineers to develop alternative sources of energy. Among the new technologies being developed are hydrogen fuel cells, which young scientists...
Worksheet
Curated OER

Choose the operation and method

For Students 4th - 6th
In this math operation and method worksheet, students learn how to read a story problem and determine the operation, method, how and answer. They then solve one of these problems on their own.
Worksheet
Curated OER

Four Operations of Whole Numbers

For Students 2nd - 5th
In this four operations of whole numbers worksheet, students complete word problems containing all four operations of whole numbers. Students complete 20 problems.
Lesson Plan
Curated OER

Workplace Math Skills Assessment

For Teachers 5th - 6th
In this math worksheet, students take an assessment of real life math problems relating to construction. The test involves whole numbers only using all operations.
Lesson Plan
Curated OER

The divider (mixed number quotients)

For Teachers 4th
his unit uses two of the series of four Divider learning objects to support the students division of whole numbers where the quotient is a mixed number (whole number and fraction). The Divider encourages the students to split a division...
Worksheet
Curated OER

Family of Four

For Students 3rd - 5th
In this fact family worksheet, students write in the missing numbers in the addition problems. They then complete each fact family. There are 6 problems on this worksheet.
Worksheet
Curated OER

Understanding the Relationship Between Subtraction and Addition

For Students 3rd - 4th
In this understanding subtraction and its relationship to addition worksheet, students examine 14 number statements. They determine if the statements are true or false.
Lesson Plan
Curated OER

Basic Math Review Test

For Teachers 3rd - 4th
Young scholars and the teacher go over a few examples of math problems to be sure they know what is expected of them. They then review their basic addition, subtraction, multiplication, and division skills by completing the problems...
Lesson Plan
Curated OER

Incredible Equations - Math Calendar Activity

For Teachers K
Students review math facts and create their own math problems using the numbers in the current date. They demonstrate the problems using various manipulatives.
Worksheet
Curated OER

What Is the Rule?

For Students 1st - 2nd
In this math tables worksheet, students complete 4 blanks in a math table in which two digit numbers are added. Students determine the pattern and write the rule. There are four tables on the page.
Worksheet
Curated OER

Yertle the Turtle

For Students 2nd - 5th
In this Dr. Seuss story problems worksheet, students read through the Dr. Seuss story problems and solve them. There are 10 story problems on the page and they are all very basic math.
Worksheet
Curated OER

One Variable Word Problems

For Students 6th - 8th
Here is a one-variable word problems worksheet in which learners complete word problems dealing with all four operations and one variable. They complete a total of 18 problems.
Lesson Plan
Curated OER

Word Problems Solved By S.M.S.

For Teachers 8th - 10th
Learners solve word problems with a consumer math emphasis. This lesson plan also contains many strategies and questions learners can ask to solving problems.  There is also a bibliography included for resources on problem solving.
Lesson Plan
Curated OER

At The Movies

For Teachers 4th - 7th
Students work systematically to find all the possible combinations. They Students write and solve problems which involve whole numbers and which require a choice of one or more of the four arithmetic operations.
Lesson Plan
Curated OER

The Fathers' Day Card

For Teachers 3rd - 6th
Students subtract using decimals and find half of a decimal number. They write and solve problems which involve decimals and which require a choice of one or more of the four arithmetic operations.
Lesson Plan
Curated OER

Bye, Bye, Bye, Fraction Phobia!

For Teachers 2nd - 4th
Young mathematicians utilize video, the internet, and hands-on learning experiences in order to recognize that fractions aren't as "scary" as they first appear, and that we use them every day in our lives. The hands-on activities in this...
Lesson Plan
Curated OER

Water: From Neglect to Respect

For Teachers 5th - 8th
The goal of this collection of lessons is to make middle schoolers more aware of the ways in which they are dependent upon water to maintain their standard of living. Learners compare water use in Lesotho to water use in the United...
Lesson Plan
National Security Agency

Place Value for Primary Grades- A Place for Everything

For Teachers 2nd - 3rd Standards
Here is a phenomenal lesson on place value to the thousands place.  Learners construct numbers and identify the value of each digit, investigate building numbers using craft sticks and paper plates, and complete other meaningful...
Lesson Plan
Kent State University

How Does that Work?

For Teachers 6th - 7th Standards
Sixth and seventh graders explore algebra word problems. They work with a partner to solve word problems distributed by e-mail. Learners simplify mathematical expressions following a "think aloud" algebra strategy modeled by the teacher....
Lesson Plan
Curated OER

What's Next?

For Teachers 5th - 7th
Teach the class how to continue a given number pattern, and have them state a rule to explain their answer. Arithmetic sequences and related worksheets are used to reinforce the concept of numerical patterns using the nthterm.
Lesson Plan
Curated OER

Arithmetic: Fractions and Percentages

For Teachers 4th - 8th
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
Lesson Plan
Virginia Department of Education

Arithmetic and Geometric Sequences and Series

For Students 9th - 12th Standards
Examine the importance of sequence and series through contextual situations. Here, learners partake in a five-day unit that begins with the basics of arithmetic and geometric sequences and series. As it progresses, pupils apply the...