Level 1
What is the missing number?
          - 2938 = 4438
2 m
Level 2
The receipt shows the price of each item Jim bought at a department store and the total amount he had paid. How much did he pay for the socks?
3 m
Level 2
At a telematch, Team X scored 245 points. Team Y scored 154 points. What is the difference between the two scores?
2 m
Level 3
How many more cylinders than cuboids are there in the figure?
3 m
Level 2
Adam has blue and red stickers in the ratio of 1 : 2.
When 40 red stickers are replaced with the same number of blue stickers,
the ratio of the number of blue and red stickers will be 3 : 4
How many stickers are there altogether?
3 m