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Lesson Planet: Curated OER

#### Percentages: Calculating Percent - 2

Here is a worksheet on which math classes practice calculating the percentage of different numbers. Some of the percentages involve decimals, so this would not be an assignment for first-time percent calculators! You can print the...

Lesson Planet: Curated OER

#### Circles in the Landscape: Irrigating Oklahoma Crops

How do you grow crops in a area with insufficient rainfall? Why you irrigate, of course. Class members investigate irrigation systems by designing a system of their own. After examining irrigation related concepts, vocabulary terms, and...

Lesson Planet: Curated OER

#### Ratio and Proportion: Simplifying Ratios (1 of 2)

Here is a set of 24 pairs of numbers for which kids reduce the ratios to their simplest form. It is a simple and straightforward assignment, meant by the publisher to address CCSS.Math.Content.6.RP.3. Note, however, that it only requires...

Lesson Planet: Curated OER

#### Scaling Down the Solar System

Learners work collaboratively to gain a better understanding of the vastness of space by scaling down the solar system. They measure by inches, gain an understanding of space, and model the distances of the planets from the sun.

Lesson Planet: Curated OER

#### Percentages: Calculating Percent-1

In this percentages worksheet, students calculate percentages in eighteen problem solving percentage equations. Students show each step of their work.

Lesson Planet: Curated OER

#### Are You Thirsty? The Effects of Pollution on Drinking Water

Discuss the availability of clean, plentiful water and the causes of water pollution. In groups, sixth graders discuss problem-solving methods for keeping water clean. They explore the function of water treatment plants and perform...

Lesson Planet: Curated OER

#### Surveying: 19 Chains and 50 Links

Through an interdisciplinary lesson, emerging engineers explore the history of surveying systems. After discussing various systems, they perform surveys on printable pages. Using their geometric skills, they physically stake out plots...

Lesson Planet: Curated OER

#### Managing Nutrients in Livestock Manure

Livestock managers reinforce math and science skills while learning about the nutrients found in manure. They predict which animal produces the largest amount and which animal's manure contains the most nitrogen. Finally, they compare...

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#### How Much Space Do We Have?

Census-takers view the Internet to find the total population of a city and its total land area. They work with different mathematical scenarios that involve populations and land area in their city. They complete math problems and unit...

Lesson Planet: Curated OER

#### Percentages: Decimals To Percent

For this percentages worksheet, students write twelve decimals as percentages and twelve percentages as decimals. Students check their answers with the key when they are finished.

Lesson Planet: Curated OER

#### Percentages: Fractions To Percent

In this percentages activity, students write eighteen fractions as percentages. Students problem solve each fraction as a percentage.