Curated OER
Diagonals and Altitudes
Middle schoolers discover the mathematical way to find the dimensions of a diagonal. Using this process, they complete a worksheet in which they identify the relationships between different degree triangles. They review their answers...
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4th Grade Math Worksheet
In this 4th grade math review worksheet, students respond to 60 multiple choice questions that review of fractions, decimals, geometry, number sense, and computation.
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The Pythagorean Theorem
In this geometry instructional activity, students solve missing parts of a triangle using the Pythagorean Theorem. There are 19 questions with an answer key.
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Concurrence
In this concurrence activity, 10th graders solve 10 different problems related to determining various concurrences. First, they determine which type of triangle has two altitudes outside of it. Then, students determine the distance...
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Indirect Euclidean Proofs
In this Euclidean proofs worksheet, 10th graders solve 10 different problems that include completing indirect Euclidean proofs. First, they write a statement for each of the reasons listed on the sheet of proofs. Then, students solve the...
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CORNER CABINET
Ninth and tenth graders calculate the length, width, height, perimeter, area, volume, surface area, angle measures or sums of angle measures of common geometric figures. They solve problems involving scale drawings, models, maps or...
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Geometry Worksheet
In this geometry learning exercise, learners find the area of four polygons. They compute the measure of an angle. Students find the length of the sides of a right triangle. They name one arc and find the measure of two arcs.
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A Clasroom Study of the Life of an Airplane
Students participate in an experiment to discover the properties of lift. They work together to complete calculations and collect data. They share their results with the class.
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Trigonometric Functions of Special Angles
Students explore the concept of the six trigonometric functions, places where the functions can be utilized, and apply these functions to several electrical application problems.
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Geometric Concepts and Polygons
In this geometry worksheet, students identify the altitude, perpendicular bisector, median, angle bisector and the area of different polygons. There are 33 problems.
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Money Is Irrational
In this geometry lesson, 10th graders fold a dollar bill to make a tetrahedron. They analyze geometric shapes and apply it hands on.
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Unit Circle
Students investigate the different properties of a unit circle. In this geometry lesson, students identify the six different values of trigonometric functions. They solve trigonometric equations using values derived from the unit circle.
Common Core Sheets
Determining Coordinates: Reading Positive & Negative Coordinates
For kids who have a hard time with graphing, a grid with coordinates can look like an unsolvable puzzle. A series of worksheets uses symbols and shapes like hearts, stars, and letters to help kids find the correct coordinates.
EngageNY
Secant and the Co-Functions
Turn your class upside down as they explore the reciprocal functions. Scholars use the unit circle to develop the definition of the secant and cosecant functions. They analyze the domain, range, and end behavior of each function.
Common Core Sheets
Determining Coordinates: All Positive Coordinates
Take the numbers out of graphing with an activity about finding positive coordinates. Kids find each symbol or letter at various places on the grid, then note their coordinates in the space provided.
EngageNY
Why Call It Tangent?
Discover the relationship between tangent lines and the tangent function. Class members develop the idea of the tangent function using the unit circle. They create tables of values and explore the domain, range, and end behavior of the...
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Investigation - Adrienne's Pattern Block Angles
Fifth graders investigate possible solutions to a word problem. They explore properties of polygons and right angles. Students demonstrate proper angle measurement. Students discover patterns.
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Pre-Calculus Sudoku Puzzle
In this pre-calculus instructional activity, student solve 35 multiple choice problems and then place the answers in a Sudoku puzzle form. This instructional activity would be a great warm up or fun test review.
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Jelly Beans for Sale
Students connect literature (story Jelly Beans for Sale by Bruce McMillan) to math concepts. In these estimating and money lessons, students work with jelly beans, unifix cubes, pennies, nickels, dimes, and quarters, to estimate and make...
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Grouping Musical Instruments
Students study about musical instruments and group them into these categories: percussion, strings, woodwinds, and brass. After discussing these instruments, they independently complete the worksheet.
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Polynomial Word Problems
In this polynomial word problem activity, learners read story problems, write a system of equations, and solve using substitution. This one-page activity contains ten problems.
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My Test Book: Ratios and Proportions
In this online interactive math skills activity, students solve 10 multiple choice math problems regarding ratios and proportions. Students may view the correct answers.
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Indirect Euclidean Proofs
In this indirect Euclidean proof worksheet, students write statements supporting the reasons for a given proof. This one-page worksheet contains ten problems.
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Polygons Multiple Choice
In this geometry worksheet, students identify the interior and exterior angles using the angle sum theorem. They identify and solve quadrilaterals using properties of quadrilaterals. There are 12 questions with an answer key.