Monthly Archives: February 2013

Well done to those of you who tried last week’s Maths Challenge – anybody who got a time of under 15 seconds can have 2 HPs!

Now we are back to proper maths challenges and here is your next one…

I’VE LOST MY MARBLES!

You have three bags each containing two marbles. Bag A contains 2 white marbles, Bag B contains two black marbles and Bag C contains one white and one black marble.

You pick a bag at random and take out one marble. It is a white marble.

What is the probability that the remaining marble from the same bag is also white?

Leave a comment with your answer below! ( If you are trying to write a fraction you can use the / symbol e.g. 4/5)

Well done to Chloe Brs and Tom who both gave a correct answer to last week’s maths challenge – 5HPs to each of you!

Below is a maths challenge with a bit of a difference. Your challenge is to look at the picture and say the colour of the word, NOT what the word says.

For example for…
GREEN
…you would say “red” not “green” as the word is written in red.

Time how long it takes you to say every word correctly and then post your time below!