Level 3
There is a 4-digit number. The digit in the hundreds place is thrice the digit in the ones place. The digit in the thousands place is the smallest even number. The sum of all the digits is 21. What is the number?
3 m
Level 2
Place the digits 9, 3, 2, 7 into the boxes on the right to give the largest product.
3 m
Level 1
What is the largest 5 digit number that has 5 as one of its factors and is less than 100000?
3 m
Level 3
At a supermarket, there are shortbreads for sale.
First 4 shortbreads: $1.60 each
Extra shortbreads: $1.30 each

  1. What is the total cost of 4 shortbreads?
  2. What is the maximum number of shortbreads that Mrs Ee can buy if she has $9?
4 m
Level 3
I am a 2-digit even number. I am a factor of 72 and also a multiple of 4. What number am I? Write the smallest number.
4 m