Basic operations – Using the four digits 2, 0, 1 and 6 and the four operations (addition, subtraction, multiplication and division) can you make equations that equal all the numbers from zero to 20?
- Which multiplication tables do you know best?
- What do all the multiples of 2 and 4 and 8 have in common?
- How do you know if a number is divisible by 5 or 10?
- Write down all the multiples of 3 in order and see if you can determine something that they all have in common (clue – add the digits together).