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**Grade 6 – Developing Proficiency with Operations**

- Add and subtract decimal numbers to thousandths
- Recognize the inverse relationship between addition and subtraction and apply this understanding in doing calculations
- Multiply and divide decimal numbers to tenths by whole numbers
- Multiply and divide whole numbers (four-digit by two-digit)
- Demonstrate an understanding of proportional reasoning using ratios and unit rates
- Recognize the inverse relationship between multiplication and division, and apply this understanding in doing calculations
- Explain the need for a standard order for performing operations, and use the order for calculations with whole numbers

– Focusing on the Fundamentals of Math – A Teacher’s Guide, p.6

## Text Resources

This curated list of documents have been selected to help you gain a deeper understanding of the above selection from “Focusing on the Fundamentals of Math – A Teachers Guide”. Each link will take you directly to the relevant section within the document.

#### A Guide to Effective Instruction in Mathematics Gr. 4-6, Number Sense and Numeration, Vol 2, Addition and Subtraction

#### A Guide to Effective Instruction in Mathematics Gr. 4-6, Number Sense and Numeration, Vol 3, Multiplication

#### A Guide to Effective Instruction in Mathematics Gr. 4-6, Number Sense and Numeration, Vol 4, Division

#### A Guide to Effective Instruction in Mathematics K-6, Vol 5, Teaching Basic Facts and Multidigit Computations

#### Communication in the Mathematics Classroom – Capacity Building Series