CK-12 Foundation
Properties of Equality and Congruence: Justifying Algebraic Steps
No need to justify using this resource. Learners drag justifications for each step of solving an equation in an interactive. To see if they are correct, all they need to do is use a slider and the correct answers appear.
Curated OER
Algebra/Geometry Institute: Area, Circumference, Perimeter
Students solve area problems. For this area, circumference, and perimeter lesson, students solve area and perimeter problems using standard and metric units of measure. They identify the best customary unit of measure for a given...
Curated OER
Algebra/Geometry Institute Summer 2007: Graphing Activity
Seventh graders practice identifying coordinates by examining a city map. In this graphing lesson, 7th graders create coordinate directions on an index card and practice locating these locations on a grid. Students read and discover...
Curated OER
Algebra/Geometry Institute 2007
Fifth graders practice calculating probability using statistics. In this math statistics lesson, 5th graders discover the meanings of the terms unlikely, likely, eventually, and chance, when asked to answer questions about the...
Curated OER
Algebra/Geometry Institute: Area of Polygons
Students find the area of polygons. In this area of polygons lesson, students find the area of parallelograms, rectangles, squares, and other polygons. They identify each given figure and determine the appropriate formula needed to...
Mathematics Vision Project
Module 4: Linear and Exponential Functions
Sequences and series are traditionally thought of as topics for the pre-calculus or calculus class, when learners are figuring out how to develop limits. But this unit uses patterns and slopes of linear functions in unique ways to bring...
West Contra Costa Unified School District
Congruence Through Transformations
Transform your lesson on transformations. Learners use given congruent triangles and tracing paper to determine the single transformation that carries one to the other. The concept is extended to combinations of transformations to...
CK-12 Foundation
Completing the Square
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 needs to...
Curated OER
Models with monomials and polynomials
Students participate in a instructional activity that focuses on the concepts of combining monomials to make polynomial expressions. They use algebra tiles to complete the exercises in the instructional activity. This is hands-on...
Curated OER
Geometry and Triangles
In this geometry triangles learning exercise, students first determine how many degrees are found in one half and in three-fifths a revolution. Then they find the supplement of the two angles given and the radius of a circle. Students...
Curated OER
Analytic Geometry-Good Problems from Alex Pintilie
In this analytic geometry worksheet, students solve 12 word problems. Problems cover identifying the locus of an equation as well as the locus.
Curated OER
Miami Metrozoo & Mathematics
Twelfth graders use Algebra and Geometry to solve a real life problem at the Zoo.
Curated OER
Parallel and Perpendicular Lines
In this algebra/geometry worksheet, learners investigate the slopes and equations of parallel and perpendicular lines. The two page worksheet contains a combination of eleven multiple choice and free response questions. Solutions are...
Curated OER
Real Math
Students explore careers that require math knowledge and solve real life math problems. As a class, they compare and contrast classroom math to real life math and explore the links between algebra, geometry and math skills used in...
Curated OER
Miras, Mirrors, and Kaleidoscopes!
Students use hands-on activities to explore transformations. They view a video segment that demonstrate how M. C. Escher employed geometry and transformations to create so many of his famous drawings.
Curated OER
Tessellations: Geometry and Symmetry
Young scholars explore the concept of tessellations. In this tessellations lesson, students use an applet to construct tessellations. Young scholars use regular polygons to construct tessellations. Students find patterns and symmetry in...
Curated OER
Geometry: Lesson 10
Eighth graders investigate the Pythagorean theorem and how it is used in geometry. Measurements for different triangles is given and then students must solve problems in order to practice using the formula.
Curated OER
Algebra And Trigonometry - Week 3: Law of Sines
In this law of sines worksheet, students read story problems. They use both algebra and the law of sines and cosines to solve problems. This two page worksheet contains seven problems.
Curated OER
Using Proof in Algebra
For this using proofs in algebra worksheet, 10th graders solve 2 proofs by applying the many rules from algebra for the Properties of Equality for real numbers. They name the property that justifies each statement as seen in the...
Curated OER
The Geometry of Means
In this geometry worksheet, students are given a rectangle and a square. They verify ratios when given equal perimeters or areas. Students are given adjacent squares. They find the distance between the centers, and identify the means...
Curated OER
Algebra Using Proportions
In this algebra using proportions worksheet, 10th graders solve 14 various types of problems by applying algebra methods to geometry. First, they solve each of 8 proportions using cross products. Then, students use the triangle shown and...
Curated OER
Jeopardy Math Review
Students play a Jeopardy type game to review math concepts. They review five topics: Number Sense, Fractions and Whole Numbers, Geometry and Measurement, Decimals and Percents, and Algebraic Thinking.
Curated OER
Basic Geometry Vocabulary
For this geometry worksheet, 10th graders match basic vocabulary words relating to angles, circles, quadrilaterals, and transformations in a drag and drop game format. The one page interactive worksheet contains twenty matching...
Curated OER
Three Dimensional Geometry Crossword
In this three dimensional geometry crossword, students explore terminology in fifteen crossword problems. A word bank and solutions are provided.