Interactive game. Set your own level of challenge, practise your table skills and beat your previous best score.
weekly problem 49 - 2013
The numbers 72, 8, 24, 10, 5, 45, 36, 15 are grouped in pairs so that each pair has the same product. Which number is paired with 10?
Here are a few of the solutions we
Amy from Frances Bardsley School for Girls
concluded that most of us don't:
And students from Jumeirah Primary
School came to the same conclusion:
No, because the average human lives for 80 years. This equals
700800 hours, which is less that 1000000.
Saad from JPS in Dubai worked out that
just a few of us do:
Linden from HighdownSchool worked out that
there would be no birthdays:
Alex from Welsey Collegecame to the same
Alex from Toot Hill's Junior Maths
Academy (Mathletes) had a go at this problem:
Thank you all for your clear