# Teaching to Reason with Numbers

## Teaching to Reason with Numbers

Here are a variety of classroom numerical activities that will challenge students to explore, explain and reason mathematically.

### Magic Letters

##### Stage: 3 Challenge Level:

While offering students a chance to practise addition in an engaging context, there will also be opportunities to appreciate the effect of combining odd and even numbers.

### What Numbers Can We Make?

##### Stage: 3 Challenge Level:

This problem offers students the opportunity to consider the underlying structure behind multiples and remainders.

##### Stage: 3 Challenge Level:

Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?

### Always a Multiple?

##### Stage: 3 Challenge Level:

Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...

### Take Three from Five

##### Stage: 3 and 4 Challenge Level:

This problem offers students the opportunity to explore properties of multiples and remainders.