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Maths posts

How many squares fit in a rectangle? News

by David, 10 March 2022 | 0 comments

A rectangle of coloured squares diminishing in size

It might seem like a silly question to ask. After all, it depends on how big the rectangle is, and also the size of the squares you’re packing it with. With a big rectangle and small squares, you could fit a million, a billion or even more. But what if you have infinity squares? Is…

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Jasper’s shapes brainteaser Brainteaser

by David, 9 March 2022 | 0 comments

Brain icon

Difficulty: Tricky Jasper had a regular (sides and angles all the same) hexagon with 10-centimetre sides, and 3 regular triangles with 10-centimetre sides. He put the side of a triangle against every second side of the hexagon. How many sides did this final shape have?

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Connection conniption! Activity

by David, 24 February 2022 | 1 comments

A tecup with 3 houses drawn on it. there are 3 different whiteboard markers inside the cup

Do you have a favourite mug? This is my favourite. Not only does it hold my hot chocolate, it has a wicked tricky puzzle on it!

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School uniform brainteaser Brainteaser

by David, 23 February 2022 | 1 comments

Brain icon

Difficulty: Tricky Keira is getting ready for school: She has 3 different shirts – one black, one white and one red. She has 3 different pairs of pants – one black, one white and one red. She has 3 different pairs of shoes – one black, one white and one red.

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Bubble pop Nim Activity

by David, 10 February 2022 | 0 comments

Coloured plastic toy with 3 rows of 3 circles

Here’s an old game with a modern twist! Compete with your friends to pop the last bubble.

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Flight tracker brainteaser Brainteaser

by David, 9 February 2022 | 0 comments

Brain icon

Difficulty: Tricky Last week I flew from Canberra to Brisbane. The plane took off at 2.00 pm, flew 1,800 kilometres at 900 kilometres per hour, and landed at 3.00pm. On the way home from Brisbane, the plane took off at 8.00 pm. Assuming it flew at the same speed, when did it land in Canberra?

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Dart maths brainteaser Brainteaser

by David, 19 January 2022 | 0 comments

photo of a daart board with a dart in the bullseye position.

Difficulty: Tricky At the 2022 World Darts Championship, William Borland beat Bradley Brooks with a perfect final leg, scoring precisely 501 points.

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Climb through a hole in a sheet of paper Activity

by David, 9 December 2021 | 6 comments

a person with a loop aof paper around their body

Most people are a lot larger than a piece of paper. But in this activity, you’ll be able to squeeze through a hole in a sheet of paper. With practice, you might even be able to fit through a hole in a business card!

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Guarding the castle brainteaser Brainteaser

by David, 3 December 2021 | 0 comments

Square with three circles containing the number 4 on each side.

Difficulty: Tricky There are 32 soldiers guarding a square castle. The castle has 8 towers – one in each corner of the square, and one in the middle of each side. The soldiers want to make sure all the walls are guarded.

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A crowded bus brainteaser Brainteaser

by David, 24 November 2021 | 0 comments

Brain icon

Difficulty: Fun The number 39 bus was packed as it pulled into the interchange. Then 37 people got off, and another 14 got on. As the bus left the interchange, there were 37 people on board. How many people were on the bus as it pulled into the interchange?

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