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

• Estimating Products of Decimals
• Tenths of (and So On)

6.NS.B.2. Fluently divide multi-digit numbers using the standard algorithm.

• Batting Average
• How many staples?
• Interpreting a Division Computation

6.NS.B.3. Fluently add, subtract, multiply, and divide multi-digit decimals using the standard algorithm for each operation.

• 12 Rectangular Units
• 2 Units Wide and 3 Units Long
• Adding Base Ten Numbers, Part 1
• Adding Base Ten Numbers, Part 2
• Adding Base Ten Numbers, Part 3
• Buying Gas
• Changing Currency
• Gifts from Grandma, Variation 3
• Jayden’s Snacks
• Movie tickets
• Pennies to heaven
• Reasoning about Multiplication and Division and Place Value, Part 1
• Reasoning about Multiplication and Division and Place Value, Part 2
• Setting Goals
• Tenths of Tenths and Hundredths of Hundredths
• What is the Best Way to Divide?

6.NS.B.4. 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. For example, express $36 + 8$ as $4 (9 + 2)$.

• Adding Multiples
• Bake Sale
• Factors and Common Factors
• Multiples and Common Multiples
• The Florist Shop