Curated OER
Trig River
Students calcute distances using trigonometry and angle measurements. They estimate the width of the Trig River, measure it and compare their results with their classmates. They collaborate with a group to research and find the results.
Math eBook
Perimeter Worksheet
In this perimeter activity, students find the perimeter of given regular and irregular polygons. This four-page activity contains 20 problems. This interactive activity may be completed online or printed for paper use.
Curated OER
Shapes and Introduction to Geometry
Students make a quilt. In this geometry instructional activity, students discuss patchwork quilts and learn some different geometric shapes and patterns that are commonly used. Students explore designs with triangles and squares and then...
Curated OER
Tangents
In this tangents worksheet, students use tangent ratios to find the length of the sides of right triangles. This one-page worksheet contains 10 multi-step problems. Answers are provided.
Curated OER
Pythagorean Theorem
In this measurement activity, students will be given 2 sides of a right triangle, they will determine if the missing side is a leg or the hypotenuse. They will use the Pythagorean Theorem to create an equation and find the length of the...
Texas Instruments
Getting Started with Cabri Jr.
Pupils construct geometric figures using Cabri Jr. in this constructing geometric figures using Cabri Jr. lesson. They familiarize themselves with Cabri Jr. and construct segments and triangles. Your learners will use various tools to...
Curated OER
Areas and Volumes
Tenth graders calculate the area and the volumes of polygons. In this geometry lesson plan, 10th graders review the formulas used to solve for the area and volume and explain to the class how they arrived at their answer. They search...
Curated OER
Geometry and Quilting
Students create a quilt square for a class quilt using at least three, two-dimensional geometric figures. They research and write a brief description of at least two different quilt patterns that they find. Pupils discuss that quilts are...
![Area and Perimeter-Triangles [A] Worksheet](http://lessonplanet.com/content/resources/thumbnails/284402/large/odc2nzqylmpwzw.jpg?1414480013 "Area and Perimeter-Triangles [A] Worksheet")
Curated OER
Area and Perimeter-Triangles [A]
In this area and perimeter worksheet, students find the area/perimeter for a set of 4 triangles. An answer key is included on page 2.
Mathed Up!
Enlargements
Make enlargements with and without centers. Pupils work through seven problems dealing with dilations or enlargements. The first couple items are strict enlargements without centers, while the others have centers. Class members also...
EngageNY
Modeling Riverbeds with Polynomials (part 2)
Examine the power of technology while modeling with polynomial functions. Using the website wolfram alpha, learners develop a polynomial function to model the shape of a riverbed. Ultimately, they determine the flow rate through the river.
Curated OER
Formula of a Hydrate Lab
In this hydrate worksheet, students find the formula of an unknown salt by determining the mass of water in the heated compound. Students burn off the water and record data to establish the final mass and formula of the hydrate.
Curated OER
The Pythagorean Theorem
Students research Pythagoras and learn how to apply his theorem. They solve real life problems using the theorem and demonstrate knowledge of exponents, equations, and radicals. Students include diagrams in their research papers.
Curated OER
Worksheet 5 - Squeeze Theorem
In this Squeeze Theorem worksheet, students compute limits, identify a graph that represents the Squeeze Theorem, and graph given functions. This two-page worksheet contains seven multi-step problems.
Curated OER
Glided Age
Eleventh graders will participate to brainstorm on the overhead, characteristics of an "irresponsible" adult and 5 of a "responsible" one? How do these differ if we apply these to businesses? Working in partners--Create a Code of Ethics...
Curated OER
Nets and Surface Area - Mental Math
In this mental math learning exercise, students use mental math to find the surface area and determine nets of the given shape. They use an information sheet as an aide to find the answer to 30 questions.
Curated OER
Area, Perimeter, and Volume
In these area, perimeter, and volume worksheets, students calculate to find the area, perimeter, or volume of the various figures. Students complete 30 problems.
Curated OER
Using Polynomials To Find Perimeter
Fifth graders engage in the solving of a real life application problem using the concept of calculating perimeter. They apply the operations of calculating with the polynomials for finding the perimeter of triangles,quadrilaterals, and...
Curated OER
Problem Solving: Perimeter, Area, or Volume?
In this perimeter, area, or volume worksheet, students read the word problems and determine whether to problem solve to find the perimeter, area, or volume to answer the six word problems.
EngageNY
Comparing the Ratio Method with the Parallel Method
Can you prove it? Lead your class through the development of the Side Splitter Theorem through proofs. Individuals connect the ratio and parallel method of dilation through an exploration of two proofs. After completing the proofs,...
Illustrative Mathematics
Shape Hunt Part 2
Shapes are everywhere in the world around us, from rectangular doors to the circular wheels of a car. The second lesson in this series opens the eyes of young mathematicians to this wonderful world of shapes as they search the classroom,...
DiscoverE
Spaceship to Mars
Feel like a rocket scientist for the day. Using only paper and tape, scholars create a framework for a spaceship to Mars. Each sheet of paper costs $10 million and each piece of tape costs $100,000. Make sure you stay within budget!
Curated OER
Some More Trigonometry
Students define the law of cosine and its correct usage. In this trigonometry lesson, students define the law of Heron's area formula and use it to solve problems. They review other trigonometric values and identify the identities.
Curated OER
Super Shapes Part 2 - Circles
Through the use of Internet, video, and hands-on activities, youngsters learn the parts and characteristics of a circle. This fantastic lesson has some excellent website activities included in the plan. Your kids will have a much greater...