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Interactive
CK-12 Foundation

Division of Rational Expressions: Step by Step

For Students 9th - 12th Standards
Division just got a little trickier! An interactive lesson highlights the steps of dividing two rational expressions. Young scholars determine the order of the steps from a bank of possible work. 
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Lesson Plan
1
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Curated OER

Mitosis and Cancer - Biology Teaching Thesis

For Teachers 9th - 12th
Observe onion root cells undergoing mitosis underneath a light microscope and determine the phase of mitosis the cells are in. High schoolers draw a sketch of the mitotic cells, explore why cells undergo mitosis and learn how...
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Lesson Plan
Curated OER

Back To the Basics: Measurement

For Teachers 4th - 5th Standards
Lead the class in a review of the basic concepts and procedures involved in measuring length, weight, and volume. After whole group instruction, small groups and individuals practice measuring by completing a variety of fun activities...
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Lesson Plan
Curated OER

Dividing by 4's

For Teachers 3rd
Third graders explore math functions by completing problem solving activities. In this division lesson plan, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students complete problems...
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Lesson Plan
Curated OER

Comparing Mitosis with Meiosis

For Teachers 7th - 12th
Life science learners view an online animated mini textbook comparing two types of cell division. Working in groups, they use a digital microscope to capture images of cells in different stages of mitosis and meiosis. Then they create an...
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Lesson Plan
Curated OER

Basic Mathematical Operations Using Math Tiles

For Teachers 1st - 4th
Practice addition, subtraction, multiplication, and division using tiles as manipulatives. In this math operations activity, young learners choose the appropriate sized tiles, arrange them according to directions given by the teacher,...
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Lesson Plan
1
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Curated OER

Complex Numbers

For Teachers 9th - 12th Standards
The class practices, on paper and/or on a TI graphing calculator the concepts of how to add, multiply, divide and subtract complex numbers using the correct property.
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Lesson Plan
Curated OER

Basic Equations

For Teachers 9th
Ninth graders solve basic equations. In this algebra instructional activity, 9th graders solve linear equation using addition, subtraction, multiplication and division. They solve two step equations isolating the variable and putting the...
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Lesson Plan
Curated OER

Matrix Madness!!

For Teachers 9th - 11th
Perform operations to add, subtract, multiply and divide matrices. Then solve problems with vectors using matrices. A three day lesson: Matrix Madness, Mystical Matrices, and Decode the Encode. The last lesson has prizes that the class...
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Lesson Plan
Curated OER

Mitosis and Cell Division

For Teachers 9th - 10th
Young scholars discover the processes that occur during mitosis and what makes each phase different and distinct from the others as well as how each contribute to the overall process of mitosis by looking at onion root tips under a...
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Lesson Plan
LABScI

Electrolysis: Splitting Water

For Students 9th - 12th
Explore the chemical components of water through an electrolysis reaction. Scholars use a battery to divide various water solutions into different gases. As they collect the gases, they measure the volume and make a comparison to the...
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Lesson Plan
Curated OER

Reproduction and Heredity

For Teachers 8th
Eighth graders study the importance of cell division, compare cell division in prokaryotic and eucaryotic cells, identify the stages of mitosis and recognize meiosis in reproductive cells.
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Lesson Plan
Curated OER

Operations on Matrices

For Teachers 10th - 12th
A guided lesson using the WolframAlpha computer program. The class explores the basic operations of adding, subtracting, multiplying and dividing matrices to solve problems.
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Lesson Plan
Curated OER

Basic Matrix Algebra

For Teachers 9th - 11th
Students perform basic matrices operations. In this algebra lesson, students add, subtract, multiply and divide matrices. They solve system of equations using matrices.
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Interactive
CK-12 Foundation

When to Use the Distributive Property: Rational Expressions

For Students 6th - 8th Standards
Discover how the distributive property applies to division. As learners change numeric values within an expression, the simulation calculates its value. Challenge questions lead individuals to realize the power of distributing the...
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Interactive
CK-12 Foundation

Simplify Products or Quotients of Single Variable Expressions: Circling C's

For Students 7th Standards
Model expression division using online manipulatives. Learners drag C's representing a term into equal groups. Guiding questions help them see their groups as the division of the term.
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Lesson Plan
Curated OER

Number Problems

For Teachers 9th - 11th
Students write equations for problems. In this number lesson, students add, subtract, multiply and divide numbers to solve for a variable. They rewrite word problems using algebraic symbols.
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Lesson Plan3:16
The New York Times

Kiev in Chaos: Teaching About the Crisis in Ukraine

For Teachers 8th - 12th Standards
Provide a historical context for the political unrest between Russia and Ukraine that began in late 2013. Learners review their prior knowledge and chronicle new understandings with a KWL chart, watch a video explaining the Ukrainian...
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Lesson Plan
Curated OER

Mathematics Module

For Teachers 9th
Delve into graphing! The concepts covered begin with basic graphing basic coordinates and algebraic expressions on coordinate planes, and build up to graphing linear inequalities and equations. Learners solve and simplify various...
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Interactive
CK-12 Foundation

Points that Partition Line Segments: Cutting a Log

For Students 9th - 12th
Teach ratios of line segments using an interactive approach. Scholars examine a line segment in the shape of a log and use their knowledge of ratios to divide it into various partitions. As an introductory lesson, the segment has a...
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Interactive
CK-12 Foundation

Simplify Products or Quotients of Single Variable Expressions: Quotients of Single Variable Expressions

For Students 7th - 9th Standards
Investigate division within an algebraic term using an inquiry-based lesson. Individuals adjust sliders and watch as the simplification of the term changes. Questions help guide them to important conclusions.
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Lesson Plan
Curated OER

Analyzing Two or More Nonfiction Texts

For Teachers 4th - 8th Standards
How does recognizing the author's purpose help you draw conclusions about a topic? Using two articles (both are attached), learners brainstorm why each author wrote each article. Are their purposes similar or different? Learners use a...
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Lesson Plan
Curated OER

"Pizza"rama With Fractions!!

For Teachers 3rd
Young mathematicians explore number values by utilizing food as a visual aide. They discuss the differences between halves, fourths, and eighths and how they are visually represented by a pizza. Then create their own pizza in class and...
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Lesson Plan
Curated OER

Evidence of Photosynthesis

For Teachers 7th
Hands on science is the way to go! Learners conduct a lab experiment to help them explain how plants make food through photosynthesis. They test for the presence of starch in leaves using iodine solution and identify the basic things...

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