PPT
Curated OER

Calculator Tricks: The Golden Prediction

For Teachers 6th
Excite the class with a mathematical trick, a calculator, and a good number sense. They use the directions provided on each slide to make a list of numbers, use their calculator to divide, and find the golden mean. A little history on...
Lesson Plan
Illustrative Mathematics

Sum of Angles in a Polygon

For Teachers 8th - 12th Standards
How can learners use algebra to solve a geometry problem? Help learners create an equation that shows the relationship between the number of sides of a polygon and the sum of the interior angles. Learners are asked to divide the...
Lesson Plan
1
1
Curated OER

Completing the Square

For Teachers 9th - 12th Standards
Solve equations by completing the square. The pupils factor quadratic equations and graph the parabola. They also identify the different terms in the equation and look for patterns.
Lesson Plan
EngageNY

Recognizing Equations of Circles

For Teachers 9th - 12th Standards
What does completing the square have to do with circles? Math pupils use completing the square and other algebraic techniques to rewrite equations of circles in center-radius form. They then analyze equations of the form x^2 + y^2 + Ax +...
Lesson Plan
Illustrative Mathematics

Animal Populations

For Teachers 9th - 12th Standards
Assume all you know is that the variable Q represents a value that is bigger than the value represented by the variable P. Which is larger P + Q or 2P? The problems in this activity get more complex than...
Interactive
Arcademics

Jumping Aliens

For Students 6th Standards
An alien-themed learning game challenges scholars to solve algebraic equations with exponents and variables using multiplication. 
Lesson Plan
Curated OER

Rational Expressions: Simplifying

For Teachers 8th - 10th
This two-day activity will help the class simplifying rational expressions. It also has an emphasis on understanding when a rational expression is undefined. The activity contains powerpoint presentations, worksheets, and answer key.
Lesson Plan
Project Maths

Introduction to Quadratics

For Teachers 8th - 10th Standards
Develop conceptual knowledge of a quadratic equation and its solutions in your classes. The third algebra instructional activity in a series of four introduces learners to solving quadratic equations slowly. The first activity explores...
PPT
Primary Resources

Fractions Lesson 3

For Teachers 3rd - 4th Standards
Help the class understand how to different fractions can be equivalent. Mixed numbers and fractions are defined, equivalent fractions are shown and described, and problem solving strategies are used for a class...
Lesson Plan
Curated OER

Dice Addition

For Teachers K Standards
Using the provided tracing number worksheet, a pair of kindergartners will practice their adding skills. Player A will roll two die, add the sum, and then trace the sum on the worksheet. Player B will take a turn and do the same. The...
Lesson Plan
Illustrative Mathematics

The Circle and The Line

For Teachers 8th - 12th Standards
Here is a resource where algebra learners show their understanding of a system of equations involving a circle and a line. Once graphed, learners see two points of intersection, one where the ordered pair is read, and a second where...
Lesson Plan
Curated OER

Allele and Phenotype Frequencies in Rock Pocket Mouse Populations

For Teachers 9th - 12th Standards
In the deserts of Arizona and New Mexico, some tiny creatures show just how quickly natural selection can turn a mutation into an advantageous adaptation. Watch a video about rock pocket mice, who show that one small change can make all...
Lesson Plan
2
2
Federal Reserve Bank

Financial Goals

For Students 9th - 12th Standards
Do you have financial goals? How will you make them happen? Help your pupils answer these questions through this interactive project. They create goals and a plan for reaching them as one of many high school algebra projects.
Interactive
CK-12 Foundation

Completing the Square

For Students 9th - 12th Standards
Determine the area of a square with quadratics. Pupils use the interactive to visualize the process of completing the square. Scholars build a square area model to represent a quadratic expression then determine the amount that...
Worksheet
Curated OER

Topic 9.4 - Adding and Subtracting Rational Expressions

For Students 8th - 10th
This worksheet contains a good selection of problems of adding and subtracting rational expressions. There are eight problems. None of the problems have common denominators.  A few are mixed expressions and some require factoring....
Worksheet
Curated OER

The Rest of the 7s

For Students 3rd - 5th Standards
Help your fourth graders master the 7 times table. They complete number sequences and solve multiplication problems in numerical and written formats. Once they finish this activity, they'll be ready to take on 8s and 9s! 
Worksheet
Curated OER

Picture Graphs

For Students K - 1st Standards
An innovative way to practice reading data, as well as the four operations! Three picture graphs prompt first graders to count marbles, books, and pets. They also solve addition and subtraction problems. Additionally, they work on...
Worksheet
Curated OER

Square Numbers

For Students 2nd - 4th Standards
Introduce your third graders to multiplication with a worksheet on square numbers. An example demonstrates how to use dots to reinforce multiplication skills. They solve different problems, ranging from 3x3 to 10x10. A great homework...
Lesson Plan
Illustrative Mathematics

Writing Constraints

For Teachers 9th - 12th Standards
Use this resource to present your number crunchers with how to write a constraint equation and to determine viable solutions. The price of an object limits the amount that can be purchased. The speed at which you walk limits the number...
Activity
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1
Illustrative Mathematics

A Midpoint Miracle

For Teachers 9th - 12th Standards
Young geometers develop one of the fundamental properties of quadrilaterals (connecting side midpoints gives a parallelogram) in this short but thought-provoking exercise. Using a combination of hands-on techniques and abstract algebraic...
PPT
Curated OER

Factor Pairs

For Teachers 5th - 6th
This presentation covers a lot of ground. Square numbers, metal math computations, commutative property, ordering positive and negative integers, factoring, and real world problem solving are all covered. Use over the course of several...
PPT
Curated OER

Fraction Shape Amounts

For Teachers 2nd - 4th
Part/whole relationships mean it's time to practice fractions. This slide-show makes reviewing fractions a colorful and fun activity. Learners work through the first seven slides to identify the shaded amount, solve two parts of a given...
PPT
Curated OER

Inverse

For Teachers 2nd - 4th
Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...
Instructional Video16:33
2
2
Flipped Math

More with Proofs

For Students 9th - 12th Standards
Proofs may be as easy as 1, 2, 3 ... maybe. Pupils participate in creating four example proofs. The presentation uses a list of geometric properties to develop the proofs by filling in both the statements and reasons. Scholars practice...

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