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Lesson Plan
Curated OER

Microbes

For Teachers 7th - 9th
Microbiology beginners feed different sweetening agents to yeast and measure carbon dioxide production to estimate energy contained in each. They set the trials up in zip-top plastic baggies and then measure gas volume by water...
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Lesson Plan
Curated OER

"Eggs-ploring" Math with Jellybeans

For Teachers 1st - 4th
Learners work in pairs with a small bag of jellybeans to estimate the number of candies in their bags and then figure out how many groups of 10 jellybeans are contained in their bags. They then graph the information using a pictograph or...
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Lesson Plan
Curated OER

Estimating Measurement

For Teachers 1st
First graders estimate length and height of items. They read the story of Jack and the Beanstalk and discuss estimation of size. Students predict the length and height of figures. They use lines and numbers on the centimeter rod and tape...
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Lesson Plan
Curated OER

How Big is Big?

For Teachers 3rd - 8th
Geography learners compare and contrast population densities throughout the world. Using maps, they estimate the relative size of the world's regions and populations. They develop analogies to discover the world they live in and...
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Lesson Plan
Curated OER

Law: Requiring HPV Vaccine

For Teachers 10th - 12th
Students research the HPV vaccine and estimate its cost. They interview doctors and local health officials about it. Students write feature stories based on their research focusing on the timelines for implementation in their states or...
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Lesson Plan
Curated OER

Geometry and Measurement

For Teachers K - 5th Standards
Young geometers explore relationships between units of measure and objects. Three activities provide varied opportunities to practice. Learners calculate the volume of two cylinders made by rolling a piece of paper vertically and...
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Worksheet
Curated OER

Sorting Sweethearts

For Students K - 1st
In this holiday worksheet, students estimate how many heart candies are in a cup. Then, students sort their hearts and add up how many are in each color and how many there are total. Students also create a bar graph that displays how...
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Worksheet
AJ Reynolds

Unit 5 Section 2: Measuring Angles

For Students 4th - 6th Standards
An interactive assignment displays two example angles to teach how to measure them. When you click on the angles, a protractor appears! As practice, learners view a set of angles, estimate the size of each, and then enter the degrees in...
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Lesson Plan
Curated OER

How Much, How Fast, How Far?

For Teachers K - 1st
Students investigate the concept of the number one million. In this number concepts lesson, students read the book How Much is a Million? and brainstorm questions, such as "how many leaves are on a tree" and "how many hairs are on your...
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Lesson Plan
Curated OER

Inquiry Unit: Modeling Maximums and Minimums

For Teachers 8th - 12th
Young mathematicians explore the maximun area for patio with the added complexity of finding the mimimum cost for construction. First, they maximize the area of a yard given a limited amount of fence and  plot width v. area on a scatter...
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Lesson Plan
Curated OER

Home sales records

For Teachers 10th - 12th
Practice consumer mathematics through by investigating home mortgages. Budding economists find the interest rates for 30-year and 15-year loans and calculate the estimated monthly payments. They use their data to compare periods of time...
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Lesson Plan
Curated OER

Conserving Water through Art!

For Teachers K - 4th
Students study water conservation. In this water conservation lesson, students investigate the scarcity of water and determine reasons for conserving water.  Students estimate how much water they use in one day and identify ways to...
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Lesson Plan
Curated OER

Household Conservation/Efficiency

For Teachers 6th - 8th
Hook your class up to an online home energy usage calculator so that they can estimate the amount used per month by their families. Then give them Watt meters with which they will measure the power consumption of several small...
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PPT
Curated OER

Significant Figures in Calculations

For Teachers 9th - 12th
Significant figures estimate the precision of your calculations. Teach your high school scientists how to count and identify significant figures at the beginning of the school year so that they are adept at using them in their...
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PPT
Curated OER

Who Wants to Win Millions: Estimation and Rounding

For Teachers 4th - 5th
Rounding numbers can be fun using this game. Learners estimate and round numbers to the tens, hundreds, and thousands using this presentation. What a clever way to review this concept.
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PPT
Curated OER

Using Known Facts to Multiply and Divide Mentally

For Teachers 4th - 5th
Building strong mental-math skills requires learners to have a strong number sense. They practice multiplying two and three-digit numbers in their heads using estimation or approximation. They estimate or round each number and then...
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PPT
Curated OER

Rounding up or Rounding down

For Teachers 1st - 2nd
Teach the class how to estimate by rounding to the nearest 10. They review the rules for rounding, try rounding a few numbers using a number line, then round on their own. This is a good introduction that explains how to round and why we...
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Lesson Plan
Curated OER

Where's the Water? Stream Side Science

For Teachers 6th - 9th
After a whole-class discussion of water reservoirs, ten liters of water are given to each lab group to represent Earth's total amount of water. They divide the water into smaller containers, each representing one of those reservoirs. The...
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Lesson Plan
eGFI

Activity: Prevent Shore Erosion

For Teachers 7th - 12th
After calculating the amount of energy in a wave, future engineers plan and present to the class a design for a seawall that will minimize erosion on the shore. Not only must they consider the energy that will impact the wall, they also...
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Lesson Plan
National Wildlife Federation

How Many Bison?

For Teachers 7th - 12th
Math and science to the rescue! Some basic math concepts help scientists predict wildlife populations. Using tokens, groups simulate tagging a wildlife population. They then use proportions to estimate the population of the wildlife.
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Worksheet
Curated OER

Shelf Stacker 1-5

For Students Pre-K - 1st
What a fun way to practice counting for youngsters! Especially effective for kinesthetic and visual learners, this activity has scholars stacking "books" on a "bookshelf." Templates are provided for the bookshelves and books; consider...
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Worksheet
Curated OER

Dividing by One-Digit Numbers

For Students 4th
Dividing single-digit numbers by triple-digit dividends is a great drill for long division skills. Each of these has a remainder, and there is an example to demonstrate this step-by-step process. There are 12 problems total, and scholars...
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Organizer
Curated OER

Babies: What Do They Cost?

For Students 9th - 12th
This is a great exercise to give your class a bit of a reality check about having a baby. Few of them realize what a tremendous expense it is for the first year alone. Have them estimate what they think it will cost before giving them...
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Lesson Plan
Teach Engineering

Solar Power

For Teachers 9th - 11th
How much solar energy is available at my location? An engaging resource provides a presentation along with script to give the class background information on determining solar radiation. Pupils then work through a worksheet to estimate...

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