Investigate Numbers and Patterns

Try the Ancient Egyptian method of multiplying. Great, if you are good at adding up!

Some great patterns can be found when dividing by 9 or 11, and using square numbers.

Complete a variety of number sequences and say what the rule for each sequence is. Some negative number work as well.

More investigations on adding consecutive numbers, dividing by a half, writing a simple formula as well as shape patterns.

A first look at triangle numbers.

Quick and easy way to multiply 2-digit numbers by 11 - why does it work?

Further investigations involving triangle numbers.

Plenty of ideas to help with investigations and inventing similar problems.