Level 1
Find the following values without a calculator.
Which is an odd number?
  1. 7 or 8
  2. 25 or 72
  3. 283 or 284
1 m
Level 1
Look at the numbers. The even number is             .
125, 583, 438
1 m
Level 1
Look at the numbers. The even number is                    .
125, 583, 438
1 m
Level 1
Look at the numbers. The odd number is             .
621, 380
1 m
Level 1
Look at the numbers. The even number is             .
422, 279
1 m
Level 1
Which is the largest odd number?
813, 831, 836, 848
1 m
Level 1
What is the smallest 5-digit odd number that can be formed using all the digits 0, 1, 2, 3, 8?
1 m
Level 1
Add the largest possible 4-digit even number to 824 261. What digit is in the ten thousands place?
1 m
Level 2
Jeremy arranged 5 letters to form a pattern. The first 4 rows are as shown.

Row 1    AB  CDE
Row 2    BA  ECD
Row 3    AB  DEC
Row 4    BA  CDE

Write the arrangement of the 5 letters in Row 83.
2 m
Level 1
Use the digit to form the smallest 4-digit even number. Each digit can only be used once. Do not start with '0'.
9, 0, 4, 5
1 m
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