Worksheet
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Decide When to Regroup Problem Solving 12.4

For Students 2nd - 3rd
In this subtraction worksheet, students read and solve 2 story problems. Students subtract with regrouping and draw or write to explain their answers.
Worksheet
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Decide When to Regroup: Practice

For Students 3rd - 4th
In this regrouping with subtraction worksheet, students solve the words problems using subtraction. Students must decide whether to use regrouping to solve the subtraction problems.
Worksheet
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Add a Fraction and a Mixed Number

For Students 3rd - 5th
In this adding fractions and mixed numbers practice instructional activity, students sharpen their problem solving skills as they solve 6 story problems.
Lesson Plan
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Making a Fossilized Egg

For Teachers 1st - 4th
Students explore fossils by participating in an in class experiment. In this archaeology lesson, students utilize dough and classroom objects to create fossil imprints after hiding the toy/fossil in the dough egg. Students categorize the...
Lesson Plan
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Gravity - The Glue of the Universe

For Teachers 2nd - 7th
Learners explore physics by conducting a class experiment. In this gravitational force lesson plan, students define several scientific terms associated with force. Learners utilize a styrofoam cup and marbles to simulate a satellite...
Lesson Plan
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Download and Analyze

For Teachers 3rd - 9th
Students download information from a NASA website into a database. They transfer it to a spreadsheet by completing the information and analyze the information. They determine temperature averages, mode, and graph the results. They write...
Worksheet
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Life Cycle: Diversity in a Balance

For Students 3rd
In this life cycle workbook, 3rd graders complete several different activities in which they analyze different invertebrates, identify arthropods, examine human biology and plants, and study natural environments. 20 different activities...
Lesson Plan
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Life in a Cup

For Teachers 3rd
Third graders make and maintain a mini terrarium. They keep a daily journal of what happens in their terrarium and record daily observations and measurements.
Lesson Plan
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Leaving on A Jet Plane

For Teachers 2nd - 4th
Students create an airplane by listening to directions. They also to measure the pieces for the airplane and compare and contrast their test flights.
Lesson Plan
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Butterfly Lesson 2 - Monarch Caterpillar

For Teachers K - 3rd
Students study the Monarch Butterfly life cycle. In this Monarch Butterfly lesson plan, students examine what happens prior to a caterpillar hatching, how often it sheds its skin, and what the caterpillar goes through when it...
Lesson Plan
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How Machines Help Us Stay Healthy

For Teachers 2nd - 4th
Students visit different departments at a local hospital to see how machines help peoples such as the CAT scan machine. They build a model of such a machine that shows how patients are moved in and out of the machine.
Lesson Plan
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Ocean Murals

For Teachers K - 3rd
Students identify characteristics of water. They describe the process by which light decreases and pressure increases as water depth increases. They demonstrate the principle of water pressure in a small group experiment.
Lesson Plan
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Volcanic Panic!

For Teachers 3rd - 5th
Students begin with an overview of the Earth's interior and how volcanoes form. They learn how engineers predict eruptions. In a class demonstration, students watch and measure a mock volcanic eruption and observe the phases of an...
Lesson Plan
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Aqua-Thrusters!

For Teachers 3rd - 5th
Students construct their own rocket-powered boat called an "aqua-thruster." These aqua-thrusters will be made from a film canister and will use carbon dioxide gas - produced from a chemical reaction between an antacid tablet and water -...
Lesson Plan
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Design a Recycling Game!

For Teachers 3rd - 5th
Students discover that recycling is using a product more than once so that natural resources can be saved and so that we won't need so many garbage dumps and landfills. They see that there are different ways to recycle. Students design a...
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TE Activity: Pulley'ing Your Own Weight

For Teachers 3rd - 5th
Students experiment with common objects such as spools, string and soap to determine how pulleys make it easier to move large objects. They look at the difference between fixed and movable pulleys. They examine the many uses engineers...
Lesson Plan
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Museums in the Classroom Pumpkin Project

For Teachers 1st - 4th
Students identify the 5 stages in the life cycle of a pumpkin. They create a model showing the correct order of pumpkin life stages. They explain a pumpkin's life cycle to a partner, using their model.
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When Close Enough is Good Enough

For Teachers 3rd - 5th
Students describe the difference between an estimate and a guess. They create reasonable estimates based on observation and hands-on activities. They synthesize estimated based on interaction with online activities.
Lesson Plan
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2.0 "Water Is Life" Global Water Awareness Mini-Unit (Grades3-5)

For Teachers 3rd - 6th
Students study the amount of potable water on the Earth. In this water lesson, students examine the amount of potable water as compared to all the water on the Earth. They discuss why many parts of the world do not have access to good...
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What Does it Take to be a Survivor? Part One

For Teachers 3rd - 5th
Students explore marine animal adaptation. In this introductory ocean life biology lesson, students access prior knowledge by participating in a whole class "thought swap." Students form two lines, respond to a prompt from the teacher...
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The Human Memory

For Teachers Pre-K - 6th
This is a well-designed, creative lesson to help students learn more about the human memory. Working in pairs, students complete tasks and gather data. Excellent websites for resources are also provided.
Lesson Plan
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Plants and Animals: Partners in Pollination

For Teachers 3rd - 8th
Students describe the complementary relationships between pollinators and the plants they pollinate, identify adaptations that flowers have developed to "encourage" pollination, and create and draw their own "designer" flowers.
Lesson Plan
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Roller Coaster Fun

For Teachers 3rd
Third graders review the effects of gravity on how objects move. In groups, they design a roller coaster and share it with their classmates. Using materials given to them, they build their roller coaster and let a ball roll on the...
Lesson Plan
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TE Activity: Environmental Interactions

For Teachers 3rd - 5th
Learners design a web that shows the interactions between the living and non-living parts of the environment. They determine what an environment is and how engineers work together to solve problems. They complete a tally chart that they...

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