Worksheet
Curated OER

Cross-number Puzzle 1

For Students 9th - 12th
In this secondary mathematics worksheet, students solve a cross number puzzle.  The one page worksheet contains one problem with the solution. 
Worksheet
Curated OER

Scott the Painter

For Students 9th - 11th
In this algebra worksheet, students rewrite a word problem using algebraic symbols. They create a table to figure out what rooms should be painted first and in what order. There is an answer key to this problem.
Lesson Plan
Curated OER

Perfectly Puzzling Pentominoes

For Teachers 2nd
Second graders utilize manipulatives (pentominoes) to demonstrate knowledge of: lines of symmetry, slides, reflections (flips), rotations (turns), area, and perimeter. This lesson gives students a meaningful way to practice these...
Lesson Plan
West Contra Costa Unified School District

Pythagorean Theorem and Its Converse

For Teachers 9th - 12th Standards
Challenge scholars to prove the Pythagorean Theorem geometrically by using a cut-and-paste activity. They then must solve for the missing sides of right triangles.
Assessment
PBS

Working with Common Denominators: Assessments

For Students 4th - 6th Standards
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice. 
Lesson Plan
Curated OER

Perimeter All Around

For Teachers 3rd - 5th
Students explore perimeter and area of regular and irregular polygons. They experiment with color squares and create different arrangements using the same number squares. Then they compare the area and perimeter measurements of each.
Lesson Plan
Curated OER

Draw 3 Dimensional Objects

For Teachers 2nd - 5th
Bring three-dimensional shapes to life in your classroom. First introduce the vocabulary of three-dimensional shapes, such as sphere, cube, and pyramid. Then, show your kids examples of how to use two-dimensional objects draw...
Lesson Plan
Curated OER

Chapter 5 Solving Problems

For Teachers 9th - 12th
Students explore the concept of algebra topics. In this algebra topics lesson, students solve linear and quadratic equations. Students solve systems and factor equations. Students practice problems involving perfect square trinomials and...
Worksheet
Curated OER

Yes or No Logic Problem

For Students 9th - 10th
In this statistics worksheet, students solve word problems using statistics and probability. They solve a riddle identifying the probability of the event occurring.
Lesson Plan
Curated OER

Investigation-Design Your Own Spinner

For Teachers 6th - 8th
Students design their own spinner that meets the given criteria. In this math lesson, students discuss biased versus unbiased events or outcomes when dealing with probability. Students are given 5 criteria that must be incorporated into...
Interactive
Curated OER

Word Problems

For Students 9th - 11th
In this algebra worksheet, students are guided to choose the best method to solve problems using graphing, factoring, completing the square, and quadratic formula. There are 4 problems with an answer key.
Worksheet
Curated OER

Proving Quadrilaterals

For Students 10th
In this geometry worksheet, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.
Lesson Plan
Curated OER

Probability of an event Occurring

For Teachers 11th
In this probability worksheet, 11th graders calculate what the probability of the color of shirt someone is wearing is. There is a solution key with this problem.
Worksheet
Curated OER

Matching the Number

For Students 11th
In this algebra learning exercise, 11th graders answer a variety of questions dealing with math and science. They match the letters in the questions to the number of the questions. There are 14 questions with an answer key.
Lesson Plan
Curated OER

Factoring Trinomials

For Teachers 9th - 11th
Students factor trinomials using specific factoring methods. In this algebra lesson, students factor equations using the difference of squares and foiling. They play a game to enhance their understanding of factoring.
Worksheet
Curated OER

Radicals and the Irrational Numbers

For Students 9th - 10th
In this Integrated Algebra worksheet, students differentiate between rational and irrational numbers and locate irrational numbers on a number line.  The one page worksheet contains six problems.  Answers are provided. 
Worksheet
Curated OER

Probability

For Students 9th - 12th
In this probability worksheet, high schoolers determine the probability of 28 problems.  Students determine the likelihood of a particular outcome.
Worksheet
1
1
K12 Reader

What’s Your Angle?

For Students 4th - 5th Standards
Start out with angles by asking your pupils to read this reading passage. Class members will learn about degrees, right angles, acute angles, and obtuse angles and then respond to five questions about the text.
Worksheet
K12 Reader

Kinds of Angles

For Students 2nd - 3rd Standards
Have you ever wondered how circles and angles relate to each other? Read a passage about right angles, acute angles, and obtuse angles, and answer reading comprehension questions about the information you learn. 
Lesson Plan
Virginia Department of Education

Factoring

For Students 9th - 12th Standards
Uncover the relationship between factoring quadratics and higher degree polynomials. Learners develop their factoring skills through repetition. A comprehensive lesson begins with quadratics and shows how to use the same patterns to...
Lesson Plan
Curated OER

Symmetry

For Teachers 5th - 8th
Students explore symmetry. For this geometry lesson, student identify and define bilateral symmetry, radial symmetry, pentagonal symmetry, hexagonal symmetry, and cubic symmetry. Students construct examples of these types of symmetry and...
Worksheet
Curated OER

Jellybeans

For Students 9th - 11th
In this online math challenge, students determine how many students are in a classroom considering a total number of jellybeans and how many each student received. A solution is available.
Worksheet
Curated OER

Factoring Completely

For Students 9th - 11th
In this algebra activity, students factor out polynomials using the GCF. They identify special patterns or formula and factor those out first. There are 11 polynomial problems of different degrees.
Lesson Plan
Curated OER

Solving Algebraic Expressions

For Teachers 7th - 8th
Students simplify equations and expressions. In this algebra lesson plan, students add, subtract, multiply and divide as they solve expressions. They relate factoring to solving polynomials.