Level 1
Using the numbers given, what is the greatest odd number that can be formed? (Each digit can only be used once.)
8, 9, 1, 7
1 m
Level 2
Some tables and chairs are arranged as shown. How many chairs will there be in Pattern 8?
2 m
Level 2
Find the sum of all the odd numbers from 1 to 242.
2 m
Level 1
What is the average of the first 5 odd numbers?
2 m
Level 1
Which of the following is an odd number?
2, 6, 8, 5
2 m
Level 2
Given the following numbers, 28, 15, 32, 13, 8, how many even numbers are there in all?
2 m
Level 2
The next odd number after 251 is           .
2 m
Level 1 PSLE
Use all the digits 8, 7, 0, 9 to form the largest 4-digit odd number.
1 m
Level 2
Find the product of 809 and 78.
  1. Write down the smallest 5 digit number that can be formed using all the 5 digits obtained from the result.
  2. Find the largest possible odd number that can be formed with the same set of digits.
2 m
Level 2
Janet has a 4-digit number in mind. The digit in the ones place is 3 more than the digit in the tens place, but 5 less than the digit in the thousands place. The value of the hundreds place is 600. The digit in the thousands place is the greatest odd number. What is the number?
2 m