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**Grade 4 – Developing Proficiency with Operations**

- Add and subtract whole numbers to 10 000
- Add and subtract decimal numbers to tenths
- Add and subtract money amounts to make simulated purchases and change for amounts up to $100
- Recognize the inverse relationship between addition and subtraction and apply this understanding in doing calculations
- Multiply two-digit whole numbers by one-digit whole numbers
- Divide two-digit whole numbers by one-digit whole numbers
- Describe simple whole-number multiplicative relationships, including those involving unit rates
- Recognize the inverse relationship between multiplication and division and apply this understanding in doing calculations

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

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