Lesson Plan
Texas Instruments

Complex Numbers: Plotting and Polar Form

For Teachers 9th - 12th Standards
Explore the concept of, and use the Ti-Nspire to, convert complex numbers into polar form. Then practice graphing complex numbers in the polar coordinate plane.
Worksheet
Math Worksheets Land

Adding Objects in Rectangular Arrays - Matching Worksheet

For Students 1st - 2nd Standards
Each of these number sentences has a corresponding set of blocks, which will no doubt help your visual learners grasp multiple-addend addition. Learners examine the sentences and match them to their block representation. Consider also...
Lesson Plan
Curated OER

Number Patterns: Square and Rectangular Numbers

For Teachers 5th - 8th
Students explore number patterns. In this number pattern lesson, students discover the attributes of square and rectangular numbers as well as the number patterns associated with them. Students complete worksheet activities...
Interactive
CK-12 Foundation

Trigonometric Form of Complex Numbers

For Students 11th - Higher Ed Standards
Represent complex numbers in two ways. Pupils use the interactive to convert polar and rectangular representations of complex numbers. The learners drag an overlay back and forth over the coordinate plane to reveal the polar coordinates...
Worksheet
Curated OER

Square & Rectangular Numbers

For Students 6th - 8th
In this number pattern worksheet, students respond to 4 multi-step questions that regarding square and rectangular numbers as well as the number patterns associated with them.
Lesson Plan
University of Houston

Volume for Rectangular Prisms

For Teachers 4th - 6th Standards
Upper graders define perimeter and area of a rectangle, estimate numbers of cubes and determine the maximum amount that will fit in a given space. In this math lesson, pupils complete related worksheet, build prisms and find volume and...
Unit Plan
EngageNY

Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
Lesson Plan
EngageNY

Trigonometry and Complex Numbers

For Teachers 11th - 12th Standards
Complex numbers were first represented on the complex plane, now they are being represented using sine and cosine. Introduce the class to the polar form of a complex number with the 13th part of a 32-part series that defines the...
Lesson Plan
Alabama Learning Exchange

Finding Prime

For Teachers 5th - 7th Standards
Fifth and sixth graders explore prime numbers. They work with a partner to build rectangular arrays using twelve tiles. Factor pairs are noted and recorded on graph paper. Pupils construct rectangular arrays with a prime number and...
Lesson Plan
Curated OER

Area Model of Multiplication Using Base 10 Manipulatives

For Teachers 3rd - 5th
Explore two-digit multiplication with your class as they work in groups to build models of two-digit multiplication using base 10 manipulatives. They construct rectangles replacing standard numbers with equivalent place values using...
Interactive
CK-12 Foundation

Factorization of Quadratic Expressions: Algebra Tiles

For Students 8th - 10th Standards
What does it mean to factor the difference of two squares? The interactive presents an area model of the difference of two squares. Pupils rearrange the model to create a rectangular area. The learners determine the length and width...
Unit Plan
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Virginia Department of Education

Exploring 3-D Geometry

For Teachers 6th - 8th Standards
Take young mathematicians on an exploration of the world of 3-D geometry with this seven-lesson unit. After first defining the terms perimeter, area, and volume and how they apply to the real world, students continue on...
Worksheet
Curated OER

Number, Number Sense and Operations: Worksheet Four

For Students 6th - 8th
Review a variety of mathematical skills with this activity. In this number sense and operations activity, learners solve 15 different problems that include simplifying various equations. In addition, they write the powers in order from...
Lesson Plan
Curated OER

Complex numbers in polar form

For Teachers 9th - 12th
Learners plot complex numbers in the polar plane. They convert complex numbers in polar form to rectangular form. Students plot coordinates in the polar plane. They plot complex numbers in the complex plane. Learners are asked to...
Worksheet
Curated OER

Math 321 Spring 98. Complex Numbers

For Students Higher Ed
In this complex numbers worksheet, students find the solutions to polynomials and write them in rectangular and exponential form. This two-page worksheet contains two problems.
Lesson Plan
Curated OER

Complex numbers in polar form

For Teachers 9th - 12th
Students plot complex numbers in the polar plane. They are asked to list what they believe are the five most famous numbers in mathematics. Students are explained that generally accepted that the five most famous numbers in mathematics...
Lesson Plan
Curated OER

Understanding Rational Numbers and Proportions

For Teachers 3rd - 4th
Students explore parts of a whole. In this fraction lesson, students determine what makes a fair share. Working with manipulatives, students solve mathematical problems containing fractions.
Lesson Plan
Curated OER

Volume of a Rectangular Prism

For Teachers 4th - 7th Standards
Children use the length, width, and height of an object to calculate the volume of a rectangular prism. They observe how to multiply three numbers at a time, and define volume. Pupils observe as the teacher demonstrates how to determine...
Activity
Illustrative Mathematics

Origami Stars

For Teachers 4th - 6th Standards
This one problem concentrates on the important concept of dividing a whole number by a unit fraction. Here, young mathematicians use pictures they draw to help answer this problem. Insight into the connection between multiplication and...
Lesson Plan
EngageNY

The Geometric Effect of Multiplying by a Reciprocal

For Teachers 11th - 12th Standards
Class members perform complex operations on a plane in the 17th segment in the 32-part series. Learners first verify that multiplication by the reciprocal does the same geometrically as it does algebraically. The class then circles back...
Worksheet
Curated OER

Complex Analysis: Rectangular Form

For Students Higher Ed
For this rectangular form worksheet, students write numbers in rectangular form. They solve complex numbers, and find the value of a function. This two-page worksheet contains approximately 12 multi-step problems.
Worksheet
Curated OER

Division: Three Digit by Two Digit

For Students 4th - 5th Standards
In this division problem, students solve for the quotients in 24 three digit by two digit division problems. They use the long division method to find each quotient.
Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 5th
Fifth graders use prime factorization to identify prime and composite numbers. They use cubes to find factors. In groups, 5th graders draw rectangular arrays to discover prime numbers under 100.
Lesson Plan
Virginia Department of Education

Out of the Box

For Teachers 6th Standards
There's no need to think outside the box for this one! Scholars measure the length, width, and height of various boxes. Results help develop the formulas for the surface area and volume of rectangular prisms.