Secondary Students' Solutions
Take a look at these recently solved problems.
problem
Square surprise
Age
5 to 11
Challenge level
Why do you think that the red player chose that particular dot in this game of Seeing Squares?
problem
Consecutive numbers
Age
7 to 14
Challenge level
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
problem
Subtraction surprise
Age
7 to 14
Challenge level
Try out some calculations. Are you surprised by the results?
problem
Pouring problem
Age
7 to 11
Challenge level
What do you think is going to happen in this video clip? Are you surprised?