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CCSS 6.NS.4 Worksheets

CCSS 6.NS.4 (Common Core, 6th Grade): "Find the greatest common factor of two whole numbers less than or equal to 100 and the least common multiple of two whole numbers less than or equal to 12. Use the distributive property to express a sum of two whole numbers 1–100 with a common factor as a multiple of a sum of two whole numbers with no common factor." The worksheets below practice this standard. Each one is a free printable PDF with an answer key, comes in multiple versions, and can also be assigned digitally - no login or account needed.

The Number System Compute fluently with multi-digit numbers and find common factors and multiples. 4Find the greatest common factor of two whole numbers less than or equal to 100 and the least common multiple of two whole numbers less than or equal to 12. Use the distributive property to express a sum of two whole numbers 1–100 with a common factor as a multiple of a sum of two whole numbers with no common factor.

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CCSS 6.NS.4 Worksheets - Rewriting Expressions as Multiples of a Sum worksheet

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Rewriting Expressions as Multiples of a Sum

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Rewrite an expression like 3x + 6 as a multiplication problem with parentheses, like 3(x + 2).
Find the greatest common factor of the terms so you know what number or variable can be factored out.
Keep expressions equivalent while working with coefficients and variables.

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CCSS 6.NS.4 Worksheets - Identifying Greatest Common Factor (With Help) worksheet

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Identifying Greatest Common Factor (With Help)

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Find the greatest common factor (GCF) of two whole numbers.
List the factors of a number and identify which factors are shared.

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CCSS 6.NS.4 Worksheets - Finding LCM worksheet

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Finding LCM

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Find the least common multiple (LCM) of two whole numbers.
List multiples of a number and spot the first multiple two numbers share.
Check that your LCM is a number both original numbers divide into evenly.

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CCSS 6.NS.4 Worksheets - Factoring a Sum with the Greatest Common Factor worksheet

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Factoring a Sum with the Greatest Common Factor

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Find the greatest common factor of two two-digit numbers.
Rewrite a sum as the factor times a sum.
Check that nothing is left to factor out.

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CCSS 6.NS.4 Worksheets - Finding the Least Common Multiple of Three Numbers worksheet

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Finding the Least Common Multiple of Three Numbers

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Find the least common multiple of three numbers.
Use factors rather than listing multiples.
Recognize when one number already is the multiple.

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CCSS 6.NS.4 Worksheets - Writing Fractions with the Least Common Denominator worksheet

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Writing Fractions with the Least Common Denominator

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Find the least common denominator of two fractions.
Write each fraction as an equivalent fraction over it.
Use a common multiple to compare or add fractions.

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