by David, 15 May 2019 | 3 comments

Emily has twice as many brothers as she has sisters. Her brother Bill has one more sister than he has brothers. How many boys and girls are in Emily and Bill’s family?

Continue reading Sibling surveyCategories:

by David, 1 May 2019 | 4 comments

I’m thinking of a two digit number. If you add the digits together and then multiply by three, you get the number back again! What number am I thinking of?

Continue reading The triple bounceCategories:

by David, 17 April 2019 | 4 comments

At Three Peaks School, they’re planning to build a gigantic triangle. The sides have just arrived, on the back of some truly ridiculous trucks, and with police escort. The longest side is 42 metres long, with the other two sides measuring 25 and 16 metres respectively. Can you work out the area of the triangle…

Continue reading The big triangle brainteaserCategories:

by David, 3 April 2019 | 1 comments

Imagine a place called Occhiblu station, where they’re trying to breed cows with blue eyes. They have 100 cows on the station, and some of them have one blue eye. Of the rest of the cows, half have two blue eyes. Recently, one of the farmhands noticed that blue eyes are sensitive to light, so…

Continue reading Blue eyed cows brainteaserCategories:

by David, 20 March 2019 | 6 comments

Terry is inspecting a huge clock. It’s 2:12 and they just finished examining the big hand. They need to check the little hand next, but they want it pointing in exactly the same direction that the big hand is pointing now. How long will they need to wait until the little hand is pointing that…

Continue reading Checking the clock brainteaserCategories:

by David, 7 March 2019 | 1 comments

Here’s a simple game that can be very tricky to play well. Give it a go, then find out why it’s such a challenge.

Continue reading Queen’s Guardby David, 6 March 2019 | 0 comments

Four mathematicians – Annie, Beth, Carol and Donna – have a fun tradition. Every Friday, they order a pizza. But before they can eat, they must each solve a puzzle.

Continue reading Mathematical pizza partyCategories:

by David, 20 February 2019 | 2 comments

Which two whole numbers – without any zeros – multiply together to make 1 000 000?

Continue reading No zerosCategories:

by David, 7 February 2019 | 7 comments

Maryam had been practising the times tables really hard, so she was on the alert for interesting patterns. On her dad’s birthday she noticed something special. “You’re four times older than me, Dad,” she exclaimed. Four years later, she was counting the candles on her Dad’s birthday cake when she realised something mathematical. “You’re three…

Continue reading Curious timesCategories:

by David, 23 January 2019 | 0 comments

What’s the next letter in this sequence? F, S, T, F, F, S, S, E …

Continue reading Successive sequenceCategories: