Interactive
Calculator Soup

Calculator Soup: Complex Fractions Calculator

For Students 9th - 10th
A complex fraction is a fraction that contains another fraction. Use this Complex Fractions Calculator to do math and add, subtract, multiply and divide complex fractions. Fraction answers are provided in reduced form (lowest terms).
Activity
Purple Math

Purplemath: Complex Fractions

For Students 9th - 10th
A brief lesson, including good examples, on complex fractions is provided by PurpleMath.
Interactive
Calculator Soup

Calculator Soup: Simplifying Complex Fractions Calculator

For Students 9th - 10th
This calculator will show you how to simplify complex fractions. Input any 2 mixed numbers (mixed fractions), regular fractions, improper fraction or integers and simplify the entire fraction by each of the methods shown.
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 3.g Representing Half of a Circle

For Teachers 2nd - 4th Standards
This task asks which pictures represent half of a circle? Moving into more complex shapes where geometric arguments about cutting or work using simple equivalences of fractions is required to analyze the picture. Aligns with 3.G.A.2.
Unit Plan
Sophia Learning

Sophia: Dividing Whole Numbers by Fractions: Lesson 2

For Students 5th - 7th Standards
This lesson goes over how to divide a whole number by a fraction. It is 2 of 11 in the series titled "Dividing Whole Numbers by Fractions."
Unit Plan
Sophia Learning

Sophia: Dividing Whole Numbers by Fractions: Lesson 5

For Students 5th - 7th
This lesson goes over how to divide a whole number by a fraction. It is 5 of 11 in the series titled "Dividing Whole Numbers by Fractions."
Unit Plan
Sophia Learning

Sophia: Dividing Whole Numbers by Fractions: Lesson 6

For Students 5th - 7th Standards
This lesson goes over how to divide a whole number by a fraction. It is 6 of 11 in the series titled "Dividing Whole Numbers by Fractions."
Unit Plan
Sophia Learning

Sophia: Dividing Whole Numbers by Fractions

For Students 5th - 7th Standards
This lesson goes over how to divide a whole number by a fraction.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Dividing Polynomials

For Students 9th - 10th
Math Forum offers an example of how to simplify a complex rational expression by factoring.
Unit Plan
The Math League

The Math League: Fractions

For Students 9th - 10th
This tutorial covers all types of fractions with simple explanations on how to work with them.
Activity
Other

Brown Math: Remembering Trig Identities

For Students 9th - 10th Standards
Faced with a large number of trigonometric identities, students tend to try to memorize them all. This site the emphasis is on understanding how the functions work and on memorizing only about a half dozen of them - all the others work...
Lesson Plan
Better Lesson

Better Lesson: Our Garden Problem

For Teachers 3rd
Using a debate format this lesson provides students the opportunity to solve a complex problem.
Website
Digital History

Digital History: Utopian Socialism

For Students 9th - 10th
A good look at the Utopian communities that were attempted in the first half of the 19th century. They had differing reasons for their development, but their common focus was trying a unique way of communal living. Read about the Oneida...
Activity
Math Playground

Math Playground: Word Problem Database

For Students 3rd - 5th Standards
This lesson contains many practice word problems categorized by operations and complexity.
Handout
Other

Stat Soft: Statistics Glossary

For Students 9th - 10th
Dozens of statistical terms are defined and illustrated in this glossary.
Activity
National Health Museum

Access Excellence: Cells on a Ceiling

For Students 9th - 10th
In this lesson plan site, each student is assigned a cell part to research, create, and place inside of a clear plastic drop cloth (the cell) the size of one-half of the classroom ceiling.
Graphic
Curated OER

Unesco: Belgium: Plantin Moretus House Workshops Museum Complex

For Students 9th - 10th
The Plantin-Moretus Museum is a printing plant and publishing house dating from the Renaissance and Baroque periods. Situated in Antwerp, one of the three leading cities of early European printing along with Paris and Venice, it is...
Website
Math2

Math2

For Students 9th - 10th Standards
This is a site for students and teachers of all grade levels. If you are looking for math tables, general information about math topics, or you would like to ask a question, this is the site to visit.
Graphic
Curated OER

Unesco: India: Fatehpur Sikri

For Students 9th - 10th
Built during the second half of the 16th century by the Emperor Akbar, Fatehpur Sikri (the City of Victory) was the capital of the Mughal Empire for only some 10 years. The complex of monuments and temples, all in a uniform architectural...

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