Lesson Plan
Illustrative Mathematics

Two Wheels and a Belt

For Teachers 9th - 10th Standards
Geometry gets an engineering treatment in an exercise involving a belt wrapped around two wheels of different dimensions. Along with the wheels, this belt problem connects concepts of right triangles, tangent lines, arc length, and...
Lesson Plan
Curated OER

Complex Numbers - Week 5

For Teachers 10th - 11th
In this complex numbers worksheet, students solve problems involving polynomials, real constants containing imaginary numbers, and find the complex number that satisfies a given equation. This two-page worksheet contains seven problems.
Worksheet
Kuta Software

Properties of Complex Numbers

For Students 11th - 12th Standards
In this activity, students evaluate complex (signed and imaginary) numbers.  In addition, they are asked to graph complex numbers as well as identify a complex number on a presented graph.
Worksheet
Curated OER

Complex Numbers

For Students 9th
In this complex numbers learning exercise, 9th graders solve 10 different types of problems that include complex numbers in standard form. First, they state the values of the a and b components for each complex number when the number is...
Lesson Plan
EngageNY

Exploiting the Connection to Trigonometry 1

For Teachers 11th - 12th Standards
Class members use the powers of multiplication in the 19th installment of the 32-part unit has individuals to utilize what they know about the multiplication of complex numbers to calculate the integral powers of a complex...
Lesson Plan
Arizona Department of Education

Introduction to Integers

For Teachers 5th - 7th Standards
Welcome to the backward world of negative numbers. This introductory lesson teaches young mathematicians that negative numbers are simply the opposite of positive numbers as they use number lines to plot and compare...
Lesson Plan
EngageNY

Volume of Composite Three-Dimensional Objects

For Teachers 7th Standards
Most objects have irregular dimensions — you have to find them! Teach your class how to find the volume of composite objects that can be decomposed into prisms. Objects get increasingly more complex as the instructional activity...
Lesson Plan
Curated OER

Complex Sentences Made Easy

For Teachers 5th - 8th
Young scholars understand that a complex sentence combines two ideas. For this complex sentence lesson, students use subordinate conjunctions to combine simple sentences. Young scholars complete a worksheet.
Lesson Plan
Curated OER

Complex Numbers

For Teachers 9th - 12th Standards
Students examine complex numbers. In this Algebra II lesson plan, students investigate two programs that involve complex numbers: the MANDELER Program and SYNDIV program.
Worksheet
Curated OER

Complex Sentences: Oval Connect

For Students 3rd - 4th
In this complex sentences worksheet, students connect three ovals containing partial sentences to create complete sentences. Students draw lines to connect and create six sentences.
Worksheet
Curated OER

Complex Sentences Oval Connect

For Students 4th - 6th
For this complex sentences oval connect worksheet, students connect the ovals to make complete sentences. An example is included.
Worksheet
Curated OER

Complex Numbers

For Students 11th
In this algebra worksheet, 11th graders solve complex numbers using division. multiplication, addition and subtraction. There are 11 questions with an answer key.
Worksheet
Curated OER

Operations with Complex Numbers

For Students 10th - 11th
For this complex numbers worksheet, students simplify thirty complex number expressions and answer two critical thinking questions.  The solutions are provided.
Worksheet
Math About

Introduction to Complex Numbers

For Students 10th - 12th Standards
In this complex number worksheet, students explore the properties of imaginary numbers to find the square roots of negative numbers. Explanations and examples are given prior to the exercise. This two-page worksheet contains ten problems.
Worksheet
Curated OER

Math 312 Spring 95 - Complex Numbers

For Students Higher Ed
In this complex number worksheet, students explore complex numbers and sketch a set of points which solve in the equation. This one-page worksheet contains five problems.
Worksheet
Curated OER

The Compound-Complex Sentence

For Students 7th - 9th
After reading a series of definitions and studying examples, partners craft five of their own compound-complex sentences.
Worksheet
Curated OER

The Complex Sentence

For Students 7th - 9th
Develop the writing skills of your middle and high schoolers with this instructional activity on complex, compound, and simple sentences. This resource assumes your learners are familiar with simple and compound sentences, so only the...
Lesson Plan
Curated OER

A Simple Task Made Complex: Types of Sentences

For Teachers 5th - 7th
Looking for a lesson about differing sentence types? Use this lesson on compound and complex sentences in your grammar unit. After composing simple, compound, complex and compound-complex sentences individually and as part of a group,...
Worksheet
Curated OER

Complex Fractions

For Students 9th
In this complex fractions worksheet, 9th graders solve 10 different problems that include simplifying various complex fractions. First, they create one single fraction in the numerator and then in the denominator. Then, students rewrite...
Lesson Planet Article
Curated OER

Text Complexity in the Common Core

For Teachers 4th - 8th
Use these tools to choose a text that is appropriate and challenging, while also fulfilling the Common Core’s requirement for text complexity.
Interactive
Royal Society of Chemistry

Complex Ion Shapes

For Students 6th - 12th
Things are really shaping up! Provide young chemists with polyatomic ion practice using an interesting interactive. Individuals complete puzzles focused on molecular geometry and complex ions.
Lesson Plan
Curated OER

Radicals: Addition & Subtraction of Complex Numbers

For Teachers 10th - 12th Standards
In this radical worksheet, students simplify complex numbers.  They find the sum and difference of complex numbers.  This two-page worksheet contains 11 multiple-choice problems.  Answers are given on the last page.
Handout
Curated OER

Simple, Compound, Complex, and Compound-Complex Sentences

For Students 3rd - 7th Standards
What kind of sentence is it? This can be a complex subject, so don't compound the difficulty by skipping over the topic! It's simple, just have your class read and go over the information here and then complete the included exercise.
Lesson Plan
Curated OER

Real and Complex Conjugates

For Teachers 8th - 9th
Students explore examples of real binomial conjugates involving the square root of negative one. In a class setting, students study examples of complex conjugates and work given problems. They play "Find My Conjugate" game where real and...

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