One week over~

Dear children,

How are you enjoying your holidays? Right now, some of you should be overseas enjoying your vacation. For the rest of you who are still in Singapore, you can start to do revision here and there so as not to get too comfortable with the long break and break your momentum!

Here is your 2nd Math Puzzle related to pattern recognition: (First puzzle was Sudoku)

Observe the pattern. What is the ?

You may post your answer in the comments section and compare your answers to your friends. I will post the answer when I post the next puzzle.