Essential and guiding questions:
- How were the strategies that you shared similar and different?
- How did you know that you could break the numbers into smaller combinations?
- How is it helpful to break the numbers into smaller combinations?
- Does it matter what combinations you use? Can you explain?
- Can you suggest any rules for making the number combinations? Can you use any numbers?
- Is it helpful to label the numbers to show what they represent? If so, can you explain why?
- If you break the number 15 into 5 and 10 so you can do the multiplication, does the order in which you multiply matter?
- What is the relationship between addition and multiplication?
