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Lesson Plan
Desert Discoveries

How Old is Old? (And, How Much is a Million?)

For Teachers 1st - 2nd
Here is an interesting lesson on how old things are designed for young scientists. In it, learners compile a list of their birthdays, and the class puts them in sequential order from youngest to oldest. Then, they sequence 15 objects...
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Worksheet
Curated OER

Relate Multiplication and Division

For Students 3rd - 4th
In this word problem learning exercise, students solve 6 problems in which they identify the relationship between multiplication and division as inverse operations. They draw arrays and write equations.
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Lesson Plan
Curated OER

Triangle Town

For Teachers 2nd
Second graders create a fact family town to develop the understanding of numbers related in fact families. They learn each family has a big number and two baby numbers. They make triangle shaped houses for their facts.
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Lesson Plan
Curated OER

Literacy Activity: The Perfect Pet

For Teachers Pre-K - K
Students develop their listening skills as they listen to the book The Perfect Pet. In this reading lesson plan, students listen to the book, and then talk about the pets they have. Then they make a graph as a class of all their pets.
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Worksheet
Curated OER

Subtracting Zero

For Teachers 2nd - 3rd
For this subtraction worksheet, students will subtract zero from one, two and three digit numbers. The equations are presented vertically.
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Worksheet
Curated OER

Halloween Scene

For Students 5th - 6th
In this math worksheet, students solve 4 story problems which pertain to Halloween. Students estimate, calculate prices, and convert liquid measures to solve these problems.
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Lesson Plan
Curated OER

Graphing Galore!

For Teachers K
Students practice sorting and counting different objects. Using this information, they create graphs on a worksheet given to them. They describe and analyze the results and discuss them as a class to end the lesson. They also complete...
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Lesson Plan
Curated OER

Science: The Age of the Redwoods

For Teachers 9th - 12th
Pupils discover how to estimate the age of redwood trees. They measure the trees' diameters by using string to calculate the circumferences. Students conclude by discussing the science of dendrochronolgy.
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Lesson Plan
Curated OER

Knick Knack Paddywhack

For Teachers 1st - 3rd
Students search for hidden patterns and rhymes.  In this pattern and rhyming lesson plan, students search for hidden patterns and rhymes within the song "Knick-knack Paddywhack."  Students discuss what they find or hear...
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Worksheet
Curated OER

Geological Time Scale

For Students 9th - 12th
In this geological time worksheet, student use a geologic time scale to understand the difference between eons, eras, and periods. Then students complete 2 short answer questions.
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Lesson Plan
Curated OER

Steppin' Out: Using Inquiry to Challente Alexander's Stride Analysis

For Teachers 9th - 12th
High schoolers distinguish between walking, jogging and running trackways in humans. They analyze the phylogenetic progression of the leg position as described by pace width and angulation, comparing amphibians, reptiles and mammals....
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Lesson Plan
Curated OER

The Letter Aa

For Teachers Pre-K - 1st
Young scholars explore letter Aa. In this letter recognition lesson, students participate in country, state, food, literature, physical education, colors, careers, music, and game activities that are linked to the main lesson...
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Lesson Plan
Curated OER

Senses -- The Touching Game

For Teachers 1st - 3rd
Pupils practice making educated guesses about objects in their hands. They guess what the object is without looking at it and choose a word that describes it. They practice using new vocabulary as well.
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Lesson Plan
Curated OER

Sea Turtle

For Teachers 4th - 5th
Students listen to a story about a sea turtle sanctuary. They participate in a discussion about the sea turtles. They analyze some of the hazards that can hurt sea turtles and brainstorm ways to help the problem. They write and...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Le Carbon 14 Dating in Practice Ii

For Teachers 9th - 10th Standards
This problem introduces Carbon 14 dating which is used by scientists to date certain organic material. This version is based on the ratio of Carbon 14 to Carbon 12, which decreases at a constant exponential rate after an organism dies....