What's new

problem solving posts

Spotlight spin Brainteaser

by David, 1 April 2020 | 0 comments

Brain icon

Difficulty: Taxing Gillian is running the lights for a big musical. The spotlight has a rotating circle of six frames that she puts filters (like cellophane) in, allowing her to change the light’s colour.

Continue reading Spotlight spin

Categories:

Diagonals on a grid Brainteaser

by David, 18 March 2020 | 1 comments

Brain icon

Moein is messing about with some pieces of graph paper. He’s cut out some rectangles, and he’s ruling a line from the top left corner to the bottom right corner of each piece of paper. Then he plans to count the number of squares that each diagonal goes through.

Continue reading Diagonals on a grid

Categories:

Chocolate cut Brainteaser

by David, 4 March 2020 | 0 comments

Brain icon

Difficulty: Tricky Dennis and Richard went on a tour of a chocolate factory. At the end of the tour, they went to the reject room, where the tour guide gave Dennis a strange block of chocolate.

Continue reading Chocolate cut

Categories:

Kiwifruit combos Brainteaser

by David, 19 February 2020 | 0 comments

Brain icon

Difficulty: Tricky Chloe is researching kiwifruit. Kiwi plants are unusual compared to many plants, as they’re either male or female. To make a kiwifruit, you need pollen from a male plant to fertilise a flower on a female plant.

Continue reading Kiwifruit combos

Categories:

Difficult donkey Brainteaser

by David, 5 February 2020 | 5 comments

Brain icon

Difficulty: Taxing Darryl wants to ride his donkey from Alphaville to Betatown. The donkey is always hungry and will only walk if Daryl keeps feeding her apples.

Continue reading Difficult donkey

Categories:

A Christmas packing puzzle Activity

by David, 24 December 2019 | 0 comments

Merry Christmas! Here’s our maths gift to you – a puzzle.

Continue reading A Christmas packing puzzle

Categories:

Odd dice Brainteaser

by David, 11 December 2019 | 0 comments

Brain icon

Difficulty: Taxing I have a collection of strange dice.

Continue reading Odd dice

Categories:

Afraid of the dark Brainteaser

by David, 27 November 2019 | 0 comments

Brain icon

Difficulty: Tricky Janet is afraid of the dark, especially dark caves and tunnels. Today Janet must catch the train into town. But there’s a problem. As soon as the train leaves the station, it goes into a tunnel.

Continue reading Afraid of the dark

Categories:

Massive multiplication Brainteaser

by David, 13 November 2019 | 0 comments

Brain icon

Difficulty: Fun Sienna’s teacher is writing up a wicked problem on the board. First, the teacher writes all the numbers from 1 to 99. Then they erase 10, 20, and all the other numbers that end in 0. “Listen up!” the teacher announces. “I want you to multiply all the numbers on the board.

Continue reading Massive multiplication

Categories:

Power pole problems Brainteaser

by David, 30 October 2019 | 0 comments

Brain icon

Difficulty: Fun Sergio is an electrician repairing a power line. There’s a stretch of eight, evenly spaced power poles he’s working on. The distance from the first to the fourth is 120 metres. What’s the distance from the first to the eighth pole?

Continue reading Power pole problems

Categories: