Level 1 PSLE
Cody packed 596 buttons into four cartons, labelled A, B, C and D. Carton A had the most number of buttons and Carton D had the least. The difference in the number of buttons between Carton A and the number of buttons in the other three cartons were 12, 36 and 64 respectively. How many buttons were there in Carton D?
2 m
Level 2 PSLE
Muffins are sold in boxes of 6, 12 or 24. Tom buys 66 muffins. What is the least number of boxes Tom buys?
2 m
Level 2 PSLE
Two numbers add up to 425. If one of them is a 2-digit number and the other is a 3-digit number, what is the largest possible difference between the two numbers?
2 m
Level 2 PSLE
First 5 muffins: $1 each
Additional muffins: 80¢ each.

Ken has $12. What is the greatest number of muffins he can buy?
2 m
Level 2
A mini-bus can take either 12 adults or 15 children. There are 6 mini-buses altogether and there are 8 adults in each of the mini-buses. What is the maximum number of children the mini-buses can still take?
2 m