Lesson Plan
Curated OER

A Visit to Southern Africa - Volcano

For Teachers 4th - 5th
Students examine a cookie that represents pumice and lava in order to realize that lava is a composite of many rock particles. They compare and contrast pumice to the cookie by estimating, weighing, measuring and dissecting the cookie...
Lesson Plan
Curated OER

Estimating Angles

For Teachers 6th
Sixth graders estimate the measurement of angles and linear distance from one point to another. Using a specified website, 6th graders play a game of "Golf" where they enter the angle and distance a ball must be hit. Upon completion of...
Worksheet
Curated OER

Measuring Spider Web Angles

For Students 2nd - 3rd
For this mathematics worksheet, students identify that the spiders each used a different angle to create their webs. Then they find out each spider's angle by estimating and measuring.
Lesson Plan
Curated OER

Scavenger Hunt for Lengths

For Teachers 6th - 8th
Young scholars practice measurement using real world objects. In this scavenger hunt for lengths lesson, students collaborate to measure with rulers, yardsticks, trundle wheels, and tape measures.  Young scholars must estimate the...
Lesson Plan
Curated OER

Mental Money

For Teachers 3rd - 4th
Students access prior knowledge to round numbers and add decimals. For this mental math lesson, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers based on coins...
Lesson Plan
Curated OER

Word Value

For Teachers 2nd - 3rd
Students investigate the concepts of adding, estimating, and ordering. The lesson uses the alphabet as an example illustration. The students practice the calculations in class in order to ensure mastery.
Lesson Plan
Curated OER

Calculating Perimeter and Area of Polygons

For Teachers 6th - 8th
Students discuss strategies for estimating information about various shapes. Once they draw and label four shapes with perimeters of 30 units, they calculate the areas of the figures. To complete the lesson, students offer written...
Lesson Plan
Curated OER

Water Wonders

For Teachers K - 3rd
Young scholars measure the amount of surface tension using a balance scale after a classroom demonstration students diagram the appearance of several liquids and label them.
Lesson Plan
Curated OER

Area and Volume

For Teachers 6th - 8th
Use this geometry review worksheet to have learners complete nine problems involving transformations, area, volume, and unit conversions. They answer one multiple choice question on estimating lengths.
Worksheet
Curated OER

Estimation

For Students 3rd - 4th
Ten word problems provide practice in estimating. This worksheet is intended to accompany a specific text and lesson; however, it is useful without those resources.
Lesson Plan
Curated OER

How Does Your (Coral) Garden Grow?

For Teachers 9th - 12th
Analyze and graph oxygen isotope ratios in coral samples in relation to the distance from the outer skeleton edge. Compare the data to the mean monthly water temperatures. Uncover whether or not there is any correlation. In addition to...
Activity
Yummy Math

Soda Santa

For Teachers 4th - 8th Standards
Santa is the focal point of a worksheet that inquires how many cans and boxes of soda were used to create a supermarket display. As a small group project, the discussions that will ensue to evaluate the task's three questions will...
Lesson Plan
Curated OER

Investigations into Estimations

For Teachers 4th - 6th
Students gain the powerful tools of estimation, prediction, and averaging and discover the importance these tools have in daily living.
Lesson Plan
Curated OER

Estimation

For Teachers 2nd - 6th
Students estimate quantity, length, and area. Students practice making comparison estimations of different items and estimate whether or not the amount is greater or less than a certain amount. Students practice making estimations.
Lesson Plan
Pennsylvania Department of Education

Round Numbers to Nearest Ten or Hundred

For Teachers 3rd
Third graders review telling time. For this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about...
Lesson Plan
Curated OER

Estimation and Pattern Discovery

For Teachers 6th - 8th
Students collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.
Lesson Plan
Curated OER

How Much Further Is It?

For Teachers 5th
Fifth graders use estimation to solve problems and assess the reasonableness of their answers. They may use an odometer, a map with a legend, MapQuest, or a map without a legen. They estimate 4 to 5 different scenarios.
Lesson Plan
Curated OER

Buying My First Car

For Teachers 5th - 12th
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
Lesson Plan
Curated OER

What About Cantaloupes?

For Teachers 2nd
Second graders investigate the physical properties of cantaloupe using their senses. In this life science activity, 2nd graders estimate the weight of their sample. They get it's actual weight and compare it with their estimate.
Lesson Plan
Curated OER

What is my Angle? App

For Teachers 6th - 12th Standards
Learners estimate angle measures in this this estimating angle measures lesson. They use an application on their graphing calculator that shows various settings involving angles and then they estimate the angle measure of a clock's...
Lesson Plan
Curated OER

Estimation and Measurement

For Teachers 1st - 3rd
Students explore measurement and estimation with non-standard units. In this measurement lesson, students discuss items that could be used to measure; they use tooth picks to measure specific items around the classroom, both estimating...
Lesson Plan
Curated OER

Study Buddies: Dividing by Two-Digit Numbers/One-Digit Quotients

For Teachers 3rd - 4th
In this math worksheet, students will work with a coach to solve a two-digit division problem. Students will follow a step-by-step process and notes are provided for the coach.
Lesson Plan
Curated OER

Study Buddies: Adding Decimals

For Teachers 2nd - 3rd
For this math worksheet, students will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
Lesson Plan
Curated OER

Symmetric Secant

For Teachers 9th - 12th Standards
Mathematicians use a symmetric secant line to prove the derivative at a point. In this trigonometry lesson plan, students create secant lines on the navigator to analyze the derivative. They move the lines around and make observations.