+
Lesson Plan
Curated OER

The Circle's Measure

For Teachers 3rd - 7th
Students explore circumference and diameter. In this math activity, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of various...
+
Worksheet
Curated OER

The Farmer's Problem

For Students 7th - 10th
In this farmer's problem, students determine the maximum area that can be enclosed under given circumstances.  This one-page worksheet contains 1 problem.  The answer is provided.
+
Lesson Plan
Curated OER

Trigonometry - Week 9

For Teachers 10th - 12th
In this trigonometry worksheet, learners use the sum-to-product formula, and the law of sines and cosines to solve trigonometry problems. This two-page worksheet contains eight problems.
+
Lesson Plan
Curated OER

The Shape of Things

For Teachers K - 3rd
Young scholars create shape booklets. In this interdisciplinary lesson, students practice shape recognition as they participate in a scavenger hunt and create a shape booklet.
+
Interactive
Curated OER

Ten Multiple Choice Length Problems

For Students 9th - 10th
In this distance worksheet, students calculate the lengths of sides and diagonals of figures.  Students also compute lengths in shadow problems.  The solutions are provided by clicking on the "show answers" tab at the bottom of the page.
+
Worksheet
Curated OER

Four Calculus Derivative, Extrema, and Maximize Area Problems

For Students 11th - Higher Ed
For this calculus review worksheet, students find derivatives, calculate extrema on an interval, and maximize area. Students should be familiar with the derivatives of trigonometric functions.
+
Worksheet
Curated OER

Pike's Peak Problem

For Students 7th - 12th
In this algebra worksheet, students answer a word problem about a distance-rate multiplied by times problem. They discuss slope and altitude. There is an answer key with this problem.
+
Worksheet
Curated OER

Jumbles - Antonyms and Synonym Sentences

For Students 4th
In this grammar and writing worksheet, 4th graders use 8 sets of words to form 8 complete sentences that show the proper use of synonyms and antonyms.
+
Lesson Plan
Curated OER

The Corner Problem

For Teachers 11th - Higher Ed
Students explore the concept of the corner problem. In this corner problem lesson, students use the TI-NSpire to determine the maximum length a rod can be and still pass horizontally around a corner. Students use similar triangles to...
+
Worksheet
Curated OER

Variation

For Students 9th - 11th
In this variation worksheet, students interpret and organize data.  They find the distance between points.  Students use ratios to determine volume  This six-page worksheet contains approximately 20 problems.  Answers are provided on the...
+
Lesson Plan
Curated OER

The Pythagorean Theorem, the Distance Formula, and Slope

For Teachers 9th - 12th
Students explore the concept of the Pythagorean Theorem. In this Pythagorean Theorem lesson, students derive the distance formula and slope of a line from the Pythagorean Theorem.
+
Worksheet
Curated OER

Shapes

For Students 1st - 2nd
In this shapes worksheet, students identify shapes according to sentences that describe them. Students identify 8 shapes, but have 14 to choose from.
+
Lesson Plan
Curated OER

This Building is Tall

For Teachers 9th - 12th
Young scholars calculate the perimeter of shapes. In this geometry lesson, students relate properties of polygons to the real world. They find length, midpoint and slope.
+
Worksheet
Curated OER

Describe and Classify 2-D Shapes

For Students 1st - 3rd
For this 2-D shapes worksheet, students match a set of descriptions to shapes given. A reference website for additional resources is given.
+
Lesson Plan
Curated OER

Measurement Investigations 1

For Teachers 5th
Fifth graders find perimeters, areas, and volumes of everyday objects and state the precision. They work in small groups in order to take measurements, perform calculations, and write a group report about the investigation.
+
Lesson Plan
Curated OER

Areas of Polygons

For Teachers 8th - 10th
Students calculate the are of regular polygons. In this geometry lesson, students create polygons on the computer and move it around to create different shapes. They explore the area of different polygons and how they inter-relate.
+
Lesson Plan
Curated OER

Dream Bedroom Floor Plan

For Teachers 9th - 10th
Students build and apply concepts of geometry. For this geometry lesson, students create a building using proportions and scale drawings. They use Cabri technology to create a virtual drawing first.
+
Lesson Plan
Curated OER

Dream Bedroom Floor Plan

For Teachers 9th - 10th
Students construct using Cabri software. In this geometry lesson, students convert between units and apply the correct measurements to build objects. They create the room virtually and manipulate the shapes to the desired measurements.
+
Lesson Plan
Curated OER

Congruent and Similar figures

For Teachers 8th
Eighth graders explore congruent and similar figures.  In this eighth grade geometry lesson, 8th graders use geoboards to create congruent and similar figures and explore the relationships between the sides and angles. 
+
Lesson Plan
Curated OER

Algebra And Trigonometry - Week 3: Law of Sines

For Teachers 12th - Higher Ed
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.
+
Worksheet
Curated OER

Law of Sines

For Students 10th - 12th
In this Law of Sines worksheet, students use trigonometric ratios to determine angle measurement and/or the length of the side of a triangle. This one-page worksheet contains ten trigonometric ratio problems.
+
Lesson Plan
Curated OER

Area of irregular Polygons: Historical Motivator - Lewis and Clark Adventure

For Teachers 7th
Seventh graders find the area of irregular polygons. In this lesson on calculating area, 7th graders use the adventures of Lewis and Clark as motivation to learn how to calculate the area of irregular polygons.
+
Worksheet
Curated OER

Challenge: Skills and Applications Lesson 2.4

For Students 9th - 10th
In this algebra worksheet, students create arguments using conjectures. They identify the sequence and the pattern and formula. They solve products and prove sum of integers. There are 8 questions.
+
Lesson Plan
Curated OER

Lines, Segments, and Rays

For Teachers 5th
Fifth graders use their arm, toothpicks, and marshmallows to create lines, segments, and rays. In this lines, segments, and rays lesson plan, 5th graders learn how these appear on a plane.