Interactive
Curated OER

Triginometry: Find the Unknown Side

For Students 9th - 12th
For this Trigonometry worksheet, students use the Pythagorean theorem to calculate the length of side x. There are 5 questions to solve and submit.
Interactive
Curated OER

Tangents

For Students 10th - 12th
In this tangents learning exercise, students use tangent ratios to find the length of the sides of right triangles. This one-page learning exercise contains 10 multi-step problems.  Answers are provided.
Interactive
Curated OER

Mixed Right Triangles

For Students 10th
For this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure or side length in right triangles. The one page interactive worksheet contains ten questions. Answers and hints are included. 
Interactive
Curated OER

Complex Number Multiplication

For Students 10th - 12th
In this multiplication worksheet, students multiply complex numbers.  This interactive one-page worksheet contains 10 problems.  Answers are provided.
Lesson Plan
Curated OER

Footprints

For Teachers Pre-K - 1st
Students explore patterns.  In this patterns geometry lesson, students identify and extend patterns including body parts, movement, geometric shapes, noises, and footprints.  Students create and share an original pattern.
Lesson Plan
Curated OER

One Good Turn Deserves Another

For Teachers 1st - 2nd
Students make observations about shapes and 1-, 2-, and 3-dimensional objects. They conduct observations and make predictions regarding transformations of simple geometric shapes. They identify shapes that occur in household items.
Lesson Plan
Curated OER

Raising the Bar While Hogging the Ham (Radio, That Is)

For Teachers 4th - 6th
Young scholars watch a Cyberchase video to determine the importance of using the correct scale when making bar graphs. They examine how to use bar graphs to gain information easily. They determine how to use bar graphs persuasively.
Lesson Plan
Curated OER

Fast Food Survey Using Bar Graphs

For Teachers 2nd
Second graders create a bar graph to pictorically represent the data collected from a survey of students. They use Excel to electronically create the graphs and data tallies. They then interpret their data using sentences to explain.
Lesson Plan
Curated OER

Estimation

For Teachers 3rd
Third graders practice using money. In this estimation lesson, 3rd graders show their ability to figure out the cost of lunch. Students then set up a "store" and students choose the products and estmate the cost. Students visit...
Lesson Plan
Curated OER

You Are Here

For Teachers 6th - 8th
Students determine the relative size and distance of the planets in the solar system. They use ratios in their mathematical calculations to make models of the planets after discussing the relative sizes of the planets. They keep a...
Worksheet
Curated OER

Multiply One-Digits

For Students 2nd - 3rd Standards
In this finding the products worksheet, students multiply one-digit times one-digit numbers to solve. Students solve 35 problems.
Lesson Plan
Curated OER

The Very Hungry Caterpillar - Teaching Shapes

For Teachers 1st - 2nd
Students identify two- and three-dimensional figures and associate them with real-world objects.  In this geometry lesson, students are read The Very Hungry Caterpillar by Eric Carle and complete several activities including a chart...
Lesson Plan
Curated OER

Mine Shaft Grade 8 Slope

For Teachers 8th
Eighth graders investigate slopes using real life scenario. In this algebra lesson, 8th graders model and interpret real life data. They plot their data in a coordinate plane and discuss the results with the class.
Worksheet
Curated OER

Dividing by 1

For Students 2nd - 4th
In this introduction of dividing whole numbers by one worksheet, students observe an explanation and example and solve problems. Students solve 12 problems.
Lesson Plan
Curated OER

Geometry: Tessellations

For Teachers 2nd - 3rd
Students create tessellations with computer software while applying their knowledge of reflections, rotations, and translations.
Lesson Plan
Curated OER

The Drake Equation

For Teachers 9th - 12th
Students use the Drake Equation to calculate the probability of sustaining life on various planets. Through the use of the equation, they determine whether intelligent and advanced civilizations can be developed on planets other than...
Lesson Plan
Curated OER

Transforming Triangles

For Teachers 6th
Sixth graders graph translations (slides) and reflections (flips) on a coordinate plane. They visualize and identify geometric shapes after applying transformations on a coordinate plane. Finally, 6th graders write a paragraph telling...
Lesson Plan
Curated OER

Mirror Symmetry/Mirror Images

For Teachers 5th - 6th
Students explore lines of symmetry in geometric shapes. In this geometry lesson, students construct angles using mirrors and rubberbands, then predict the number of images that will appear in the reflection. Students reproduce lines of...
Lesson Plan
Utah Education Network (UEN)

Order of Operations Treasure Hunt

For Teachers 4th - 5th
In this algebra instructional activity, students work in groups to design a treasure map in which algebraic equations must be solved using the correct order of operations. Students decide where treasure is hidden, then create and follow...
Interactive
Curated OER

Pulse-Width Modulation Signal Generator

For Students 10th - Higher Ed
In this electrical worksheet, students answer a series of 6 open-ended questions about pulse-width signal generators. This worksheet is printable and the answers are revealed online.
Lesson Plan
Curated OER

Pancakes, Pancakes!- Measuring

For Teachers 1st - 2nd
Students estimate measurements in real world problem situations. In this estimation instructional activity, students read the book Pancakes, Pancakes and estimate how many cups equal a pint, quart, and gallon. Students test their...
Lesson Plan
Curated OER

Keeping Watch on Coral Reefs

For Teachers 9th - 12th
Students investigate the dangers Coral Reefs face by investigating satellite images.  In this environmental protection instructional activity, students utilize the Internet to discover the types of satellites and sensors used to...
Worksheet
Curated OER

The Ten Numbers Problem

For Students 9th - 10th
In this algebra worksheet, students are asked to use algebra to solve a word problem. They place numbers from 1-10 on a grid without having consecutive numbers touching. There is an answer key.
Worksheet
Curated OER

Not Sold At 7-11

For Students 9th - 10th
In this algebra worksheet, students rewrite a word problem using algebraic expressions. They have to figure out how many whole numbers can't equal the total when buying milk and bread.

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