Guiding Questions

Junior

1. Observe the rows and columns. Which fruit
value is easy to find? 

 2. In which row or column the fruit value which
is found can be applied to proceed further? 

3. What strategy can you tell in general to work
on such number grid puzzles?

Senior

1. What is the shape of the shaded region?

2.  How to find the area of the shaded region?

3. How to find the unknown values needed to find the area of thee shaded region?