Operations in Base 10
Students will develop their skills at adding, subtracting, multiplying, and dividing multi-digit whole numbers and multi-digit decimals.
Essential Outcomes
- NY-6.NS.2: Fluently divide multi-digit numbers using a standard algorithm.
- NY-6.NS.3: Fluently add, subtract, multiply, and divide multi-digit decimals using a standard algorithm for each operation.
Essential Questions and Big Ideas
- How do I add and subtract multi-digit decimals?
- Add or subtract like place values.
- Multi-digit decimals are added in the same way as multi-digit numbers.
- If a place value is empty, a placeholder of 0 can be used.
- How do I multiply multi-digit decimals?
- Multiply multi-digit decimals in the same way as multi-digit numbers.
- The number of decimal places in a product of multi-digit decimals is equivalent to the sum of the decimal places in both factors.
- How do I divide multi-digit numbers and decimals?
- When dividing by multi-digit numbers, you can use multiplication to find multiples of the divisor.
- When dividing multi-digit decimals, change the divisor into a whole number by multiplying by a power of 10. Multiply the dividend by the same power of 10 to keep the relationship the same.
- When dividing a multi-digit decimal by a whole number, keep the decimal point in the same place in the quotient.
- How do I solve problems with multi-digit whole numbers and multi-digit decimals?
- To solve a problem, determine the unknown and the relationship between quantities in the problem.
Download the complete Grade 6 Unit 2 framework to customize for your own planning.