6.NOS.B: Compute fluently with multi-digit numbers and find common factors and multiples.

Compute fluently with multi-digit numbers and find common factors and multiples.

6.NOS.B.2Fluently divide multi-digit numbers. a. Extend estimation strategies to estimate and assess the reasonableness of quotients. b. Use strategies (e.g., partial quotients, inverse relationship between multiplication and division) to divide. c. Use a standard algorithm to divide. d. Determine and explain when a strategy or algorithm is most efficient.6.NOS.B.3Fluently multiply and divide multi-digit decimals to the thousandths in context. a. Extend estimation strategies to estimate and assess the reasonableness of products and quotients. b. Generalize whole number strategies to multiply and divide decimals. c. Use a standard algorithm to multiply and divide decimals. d. Determine and explain when a strategy or algorithm is most efficient.6.NOS.B.4Identify the common factors and multiples of two whole numbers. a. Identify the greatest common factor of two whole numbers within 100. b. Identify the least common multiple of two whole numbers within 12. c. Express the sum of two whole numbers within 100 using the distributive property to factor out the common factor of the addends (e.g., express 36 + 8 as 4(9 + 2)).

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