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Lesson Plan
Curated OER

Repeating Decimal as Approximation

For Teachers 6th - 9th Standards
You are used to teaching repeating decimals with bar notation that keeps us from writing that number over and over again; now teach what the over and over again represents. This activity allows your mathematicians to explore the infinite...
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Lesson Plan
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Illustrative Mathematics

Equivalent fractions approach to non-repeating decimals

For Teachers 6th - 8th Standards
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...
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Worksheet
Curated OER

Nonterminating Decimals Worksheet

For Students 8th - 9th
Use this decimals activity to have learners solve six problems in which two decimal numbers are presented. Pupils evaluate the two decimal numbers and then determine a number that would come in between the two given numbers.
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Worksheet
Curated OER

Rational and Irrational Numbers

For Students 8th - 9th
Here is a rational and irrational numbers worksheet in which learners identify 10 different expressions related to various types of numbers. They determine whether each expression given is a rational or irrational number.
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Lesson Plan
Curated OER

Infinity

For Teachers 9th - 12th
Students engage in a lesson that is concerned with the concept of infinity as defined in a series by geometry. The lesson integrates the use of philosophy to help them comprehend how infinity can possibly mean while investigating the...
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Unknown Type
University of Saskatchewan (Canada)

University of Saskatchewan: Decimal Expansions

For Students 9th - 10th
The University of Saskatchewan's Department of Mathematics and Statistics provides high school students with an online tutorial on decimal expansions. It begins with a focus on decimal representation of real numbers, followed by how this...
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Activity
Texas Instruments

Texas Instruments: Real Numbers

For Teachers 9th - 10th Standards
Students learn to identify real numbers as rational numbers and irrational numbers. They review rational numbers as repeating decimals, and irrational numbers as non-repeating decimals. They also review commutative, associative,...
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Activity
Texas Instruments

Texas Instruments: Fractions to Decimal Form

For Teachers 9th - 10th
This program and activity sheets allow teachers and students to explore both terminated and repeating decimal forms of any fraction (within limits). This version 1.0 allows for one conversion but can be rerun indefinitely.
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Activity
Texas Instruments

Texas Instruments: Rational Numbers

For Teachers 6th - 8th Standards
Students review the definition of rational numbers as ratios and as terminating and repeating decimals. They also examine the reciprocal property of rational numbers and operations with rational numbers.
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Unknown Type
Common Core Sheets

Common Core Sheets: The Number System 8.ns.1 Worksheets

For Teachers 8th Standards
Print or create worksheets to assess students' understanding of rational and irrational numbers.
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Unknown Type
Common Core Sheets

Common Core Sheets: The Number System 7.ns.2d Worksheets

For Teachers 7th
Print or create worksheets or flashcards to assess students' understanding of repeating decimals.
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Handout
Quia

Ixl Learning: Dividing Decimals

For Students 5th - 6th Standards
Brush up on your math skills relating to dividing decimals then try some practice problems to test your understanding.
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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.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Terminating & Repeating Decimals

For Students 9th - 10th Standards
Find a quick, concise explanation of both terminating and repeating decimals. An example of each is given and clearly explained.
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Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Why Repeating Decimals Are Rational?

For Students 9th - 10th Standards
Math Forum response to why all repeating decimals are rational numbers, including examples and concise explanations.
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Education Place

Houghton Mifflin: Eduplace: Extra Practice Quiz Repeating Decimals 1

For Students 3rd - 8th Standards
Practice changing various fractions to repeating decimals. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told the correct answer. See how...
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Interactive
Calculator Soup

Calculator Soup: Decimal to Fraction Calculator

For Students 9th - 10th
This calculator converts a decimal number to a fraction or a decimal number to a mixed number. For repeating decimals enter how many decimal places in your decimal number repeat.