Curated OER
Pictures, Graphs and Diagrams
In this algebra worksheet, students define vocabulary related to circles, and other conics. They graph hyperbolas and eclipse. There are 20 questions.
Curated OER
Right Triangle Trigonometry
In this trig worksheet, 12th graders identify the angles of a tight triangle using sine, cos and tan combined with the given sides. There are 23 problems broken down in 4 sections.
Curated OER
How Long Does It Take?
Students investigate the lengths of time various activities take and calculate how long is spent on these activities in a week. They complete a worksheet for each activity that is timed, and calculate lengths of time for simulated...
West Contra Costa Unified School District
Derivation of the Quadratic Formula
What connection does the quadratic formula have with a quadratic equation? Using a matching activity, pupils construct the algebraic derivation of the quadratic formula in this Algebra II lesson task. The task provides two variations of...
Curated OER
Calculate the Slope of a Line Using Two Points
Find that slope! This video does an excellent job of demonstrating how to use the slope formula to find the slope of a line using two points. The instructor first reviews the definition of slope of a line, then works three problems using...
National Security Agency
Money Maters: Integers are Integral!
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
EngageNY
Estimating Quantities
Apply the concept of magnitude to estimate values and compare numbers. The ninth activity of the 15-part series asks learners to write numbers to their next greatest power of 10 and then make comparisons. Scholars begin to understand the...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
New Zealand Ministry of Education
Addition and Subtraction Pick n Mix
Teach your class how to mentally solve whole number addition and subtraction problems using compensation from tidy numbers including equal additions. They use appropriate recording techniques and predict the usefulness of strategies for...
Illustrative Mathematics
Stained Glass
A complex question looking for the total cost of a stained glass window by calculating area and circumference of a circle. With detailed components, this activity will challenge your designers to figure out if they have enough money to...
Curated OER
Math Handbook: Calculus
If only there was a reference that listed all the formulas covered in calculus. Luckily, there is. This comprehensive 197-page handbook provides formulas and explanations for all topics in AP Calculus or in a standard college calculus...
Noyce Foundation
Lawn Mowing
This is how long we mow the lawn together. The assessment requires the class to work with combining ratios and proportional reasoning. Pupils determine the unit rate of mowers and calculate the time required to mow a lawn if they work...
Noyce Foundation
Photographs
Scaling needs to be picture perfect. Pupils use proportional reasoning to find the missing dimension of a photo. Class members determine the sizes of paper needed for two configurations of pictures in the short assessment task.
EngageNY
The Decimal Expansion of Some Irrational Numbers
Develop a definition of irrational numbers through an exploration of square roots. The 11th lesson plan in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends further and...
Curated OER
Classify and Measure the Angles
In this angles worksheet, students classify and measure 2 given angles, using a compass to determine the angle within 5 degrees. Worksheet is part of a resource directory site with links to many additional activities.
Curated OER
Classify and Measure Angles #4
In this angles worksheet, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
Curated OER
Classify and Measure Angles #5
In this angles worksheet, students classify and measure 2 simple angles. Worksheet is part of a site with additional activities and links.
Curated OER
Euclidean Algorithm
Students are introduced to the concept of a Greatest Common Divisor. They review the number systems. Students are told how the entire field of Number Theory primarily uses the integers. They are told the Fundamental Theorem of Algebra.
Curated OER
Probability Theory: 1
In this probability worksheet, students complete probability word problems involving odd and even numbers, dice, decks of cards, and more. Students complete 10 problems.
Curated OER
Probability Theory
In this probability worksheet, students answer probability word problems about decks of cards, even and odd numbers, dice, and more. Students complete 10 problems total.
Curated OER
Translate Word Phrases and Sentences into Equations
Use this video to show your learners an example of how to translate word phrases into an equation to solve a real-world problem. The presenter begins with a review of how to use cross products to solve a proportion, including how to do...
Curated OER
Graphing Calculator Activity: Multiplying and Dividing Mixed Numbers
In this graphing calculator worksheet, students explore necessary steps to multiply and divide mixed numbers using a graphing calculator. In groups, students measure objects in their classroom and write equations using their collected...
Curated OER
Introducing the Concept: Rates
Sixth graders explore rates as a specific type of ratio, using visual examples of unit rates and unit prices to increase comprehension. They also practice solving problems that are modeled by the instructor. The well-scripted lesson is...
Florida Center for Instructional Technology
Integrating Mathematics into Literature
You class will read Cucumber Soup by Vickie Leigh Krudwig as an anticipatory set for this lesson plan on ratios. They make models of the insects in the story and then use them as a source of data for this ratio and proportion lesson...
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