Lesson overview:Using and explaining addition and subtraction strategies
- In this lesson, we will be learning how to use the most efficient addition and subtraction strategies. We will apply this knowledge to solving addition pyramids.
- In this lesson, we will be learning how to use the most efficient addition and subtraction strategies. We will apply this knowledge to solving addition pyramids.
Problem solving with integer addition and subtraction:
- Using and explaining addition strategies
- Using and explaining addition and subtraction strategies
- Adding and subtracting using multiples of 10, 100, 1000, 10 000 and 100 000
- Adding and subtracting using the 'round and adjust' strategy
- Adding and subtracting using partitioning
- Rounding to estimate
- Adding using the column method
- Subtracting using the column method
- Problem solving using the column method
- Solving multi-step addition and subtraction problems