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Cool Math

Coolmath: Percents How to Convert a Decimal to a Percent

For Students 9th - 10th
This CoolMath resource will help students convert decimals into percents.
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Math2

Math2: Fraction to Decimal Conversion

For Students 3rd - 8th Standards
This tutorial features conversions of basic fractions in lowest terms and the decimal equivalents.
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Math2

Math2.org: Trigonometry Tables

For Students 9th - 10th Standards
Three trig tables are provided for student and teacher reference. The first table lists the sine, cosine, tangent, secant, cosecant, and cotangent values of all whole-number angles from 0 to 90. The radian equivalent (to four decimals)...
PPT
Sophia Learning

Sophia: Writing and Solving Percent Equations: Lesson 1

For Students 7th - 8th
This lesson will demonstrate how set-up and solve percent equations for the percent, the part, or the whole. It is 1 of 5 in the series titled "Writing and Solving Percent Equations."
PPT
Sophia Learning

Sophia: Writing and Solving Percent Equations: Lesson 3

For Students 7th - 8th
This lesson will demonstrate how set-up and solve percent equations for the percent, the part, or the whole. It is 3 of 5 in the series titled "Writing and Solving Percent Equations."
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Curated OER

Robots 2

For Students 9th - 10th
A video introduction to robotics engineers at NASA's Ames Research Center who design, build, and test robots used for missions in space. This site also provides an integrated math and science lesson that addresses the topics of...
PPT
Sophia Learning

Sophia: Subtracting W/ Significant Figures: Lesson 2

For Students 9th - 10th Standards
This lesson should help a learner understand how to determine the appropriate amount of significant figures when subtracting numbers. It is 2 of 4 in the series titled "Subtracting w/ Significant Figures."
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Calculator Soup

Calculator Soup: Fractions Table

For Students 9th - 10th
Table shows incremental ordering of fractions with decimal and percentage equivalents.

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