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Interactive
CK-12 Foundation

Two-Step Equations with Subtraction and Multiplication: Cupcake Equation

For Students 7th - 9th Standards
Solving equations is a piece of cake. Young mathematicians use an interactive to create a bar model to representing a situation involving cupcakes. They use the model to solve for the cost of a cupcake.
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Lesson Plan
Scholastic

Math Word Problems

For Teachers 1st - 2nd Standards
After reading The Mitten by Jan Brett, youngsters willuse the characters in the story to write word problems for addition and subtraction. For example, they may state that a rabbit had 7 carrots and then lost 2, how many were left? There...
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Worksheet
Curated OER

Subtraction is 'Taking Away'

For Students 2nd
In this subtraction learning exercise, 2nd graders read two examples of how to do subtraction. The examples include pictures with crossing out steps to model subtraction. Students must solve 6 problems the same way the examples show.
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Lesson Plan
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Illustrative Mathematics

Toilet Roll

For Teachers 9th - 11th Standards
Potty humor is always a big hit with the school-age crowd, and potty algebra takes this topic to a whole new level. Here the class develops a model that connects the dimensions (radii, paper thickness, and length of paper) of a common...
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Interactive
CK-12 Foundation

Sum and Difference of Cubes: Stacking Blocks

For Students 9th - 11th Standards
Investigate polynomial factoring patterns by finding a connection to volume. As learners build a three-dimensional solid from smaller solids, they convert the visual model to a mathematical expression. Their models represent the sum of...
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Lesson Plan
EngageNY

Analyzing a Model Position Paper

For Teachers 8th Standards
What's the difference between a position speech and a position paper? Scholars use a rubric to analyze a model essay about Michael Pollan's food chains to understand what makes them unique. Additionally, pupils create anchor charts...
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Lesson Plan
EngageNY

Writing an Argumentative Essay: Introducing the Writing Prompt and Model Essay

For Teachers 7th Standards
Pupils begin the writing process in preparation for an end-of-unit essay based on Katherine Paterson's Lyddie. To get started, they read and discuss a model essay and learn about the similarities and differences between argumentative and...
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Lesson Plan
EngageNY

Planning for Writing: Studying Model Writing and Determining a Theme in The Lightning Thief

For Teachers 6th Standards
A theme runs through it. Scholars analyze how a common theme runs through the myths they have read and The Lightning Thief. They complete graphic organizers and view a four paragraph model essay. They analyze the essay for structure and...
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Lesson Plan
Curated OER

Difference of Squares

For Teachers 6th - 8th
Middle schoolers analyze arithmetic statements.  In this difference of squares lesson, students explore patterns and factor the difference of two squares.  They compare quantities with integers.  Middle schoolers model and solve equations.
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Worksheet
Curated OER

The Bohr Model vs. the Wave Mechanical Model

For Students 9th - 12th
In this Bohr model and wave mechanical model worksheet, learners read about the differences between these two models of the atom. Students answer four questions about these models.
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Worksheet
Curated OER

Using Models to Add Integers II

For Students 6th - 8th
In this adding integers activity, students solve 20 short answer problems. Students use integer chips to model adding positive and negative integers. Students remove zero pairs to get the solution.
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Lesson Plan
Fraction Bars

Subtraction of Decimals

For Teachers 4th - 6th Standards
Here is a fabulous lesson on subtracting decimals with different numbers of decimal places. There are teacher-led activities for learners to engage in, including, modeling decimal subtraction through decimal squares, looking at place...
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Lesson Plan
Curated OER

Modeling and Recording Subtraction

For Teachers K
Students practice subtracting numbers from one through ten. In this subtraction lesson, students use counters and a workmat to complete several subtraction problems on an overhead projector.
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Lesson Plan
Virginia Department of Education

Modeling Multiplication of Fractions

For Teachers 6th
Multiply your understanding of multiplying fractions. A short lesson plan teaches pupils how to multiply fractions. By using fraction models, they get a better understanding of the concept.
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Lesson Plan
Howard Hughes Medical Institute

Population Dynamics

For Teachers 10th - 12th Standards
Will human population growth always be exponential, or will we find a limiting factor we can't avoid? Young scientists learn about both exponential and logistic growth models in various animal populations. They use case studies to...
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Lesson Plan
Mathalicious

Domino Effect

For Teachers 8th - 9th Standards
Carryout the lesson to determine the cost of pizza toppings from a Domino's Pizza® website while creating a linear model. Learners look through real data—and even create their own pizza—to determine the cost of each topping. They explore...
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Lesson Plan
Alabama Learning Exchange

Ice Fishing is for the Birds

For Teachers K - 1st Standards
Approach addition with young mathematicians in an engaging way through this penguin-inspired activity. In small groups, scholars think about times they have used addition in their real lives (there are some suggestions given), then watch...
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Lesson Plan
Scholastic

Adding and Subtracting Ten

For Teachers K - 2nd Standards
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
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Lesson Plan
Illustrative Mathematics

The Napping House

For Teachers Pre-K - 1st Standards
How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts lesson. Following along with a reading of the children's book The Napping House by Audrey Wood, young mathematicians add...
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Lesson Plan
Curated OER

Atomic Structure and Ionic Bonding (A Visual Approach)

For Teachers 8th
Using toothpicks, marshmallows, and round colored sticky dots, physical science enthusiasts build models of an atomic nucleus. In this eighth grade chemistry lesson plan, they play an atom-naming game with the models that they have...
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Lesson Plan
Curated OER

Decimals Decide Olympic Champions

For Teachers 4th - 6th
The class discovers how a decimal can make all the difference in the Olympics. As they learn about decimal place values, they compare and contrast data and demonstrate decimal values using manipulatives.
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Lesson Plan
Curated OER

Goldfish Addition and Subtraction

For Teachers K
Engage in a hands-on addition and subtraction activity that is a wonderful tie-in with ocean studies. As the teacher, you will make up equations using construction paper and goldfish crackers.
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Lesson Plan
Curated OER

Developing Strategies for Addition and Subtraction

For Teachers 2nd - 4th
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
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Worksheet
Curated OER

Subtracting

For Students 1st - 2nd
Help kids visualize subtraction by assigning these sets of objects for them to subtract. They examine an example before completing the seven equations on their own. For each, learners cross out the subtrahend value and count the...