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Convert Rational Numbers to Decimals

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Convert Rational Numbers to Decimals

TEKS Math: 6.4.G

(G) Generate equivalent forms of fractions, decimals, and percents using real-world problems, including problems that involve money

AU Math: ACMNA184

(Y8) Investigate terminating and recurring decimals (ACMNA184)

CCSS Math: 7.NS.2.D

7.NS.2.D Convert a rational number to a decimal using long division; know that the decimal form of a rational number terminates in 0s or eventually repeats.

This number sense lesson focuses on converting rational numbers (as fractions) to decimals. The lesson includes research-based strategies and strategic questions that prepare students for assessments. In this lesson, students identify the numerator and denominator of the fraction. Then, they convert the fraction to a decimal by using long division to divide the numerator by the denominator, inserting placeholder zeroes until the division is complete, and aligning place values to correctly place the decimal point. Finally, they interpret the answer. In addition to the lesson, there are four pages of Independent Practice and review with questions modeled after current adaptive testing items.

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Standard Alignments:

TEKS Math: 6.4.G

(G) Generate equivalent forms of fractions, decimals, and percents using real-world problems, including problems that involve money

AU Math: ACMNA184

(Y8) Investigate terminating and recurring decimals (ACMNA184)

CCSS Math: 7.NS.2.D

7.NS.2.D Convert a rational number to a decimal using long division; know that the decimal form of a rational number terminates in 0s or eventually repeats.


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