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Difficulty: Tricky Kirk is designing a banner for an astronomy club. They want to put some stars on the banner, in straight lines.

Difficulty: Fun Alex has a square of paper, but it’s a bit too big. To make it smaller, they found the middle of each side, and then ruled lines between them. Then they cut off the four corners along the lines, leaving a square in the middle.

Difficulty: Tricky Ben is driving his train slowly. He realises he’s left an important package in the last car of the train. He needs to hop out of the train, walk all the way to the back to retrieve it, and then walk to the front of the train again.

Difficulty: Fun Arafa was visiting a science centre to attend a chemistry workshop. She’d received a confirmation email that told her to head to the room number represented by a yellow flask. Can you help Arafa find the right room number?

Difficulty: Tricky Clare and Jeremy just finished a job overseas, on Dough Island. They received the following as payment, in the island’s currency: A $3 coin A $4 coin A $6 note An $8 note and A $9 note. Clare and Jeremy want to share the money so they both get the same number of…

Difficulty: Tricky Gordon is trying to make it big with his Minecraft-themed parody song channel. He spends a lot of time working on each video, and he wants as many views as possible. Gordon’s noticed some patterns with his view numbers:

Here’s a puzzle that’s easy to set up, but surprisingly tricky to solve. See if you can swap two counters just by sliding them!

Difficulty: Tricky Idir was in the bathroom when he noticed that the tiles weren’t all the same shape! Instead, there were two different shapes of tiles.

Difficulty: Tricky Can you take 2 from FIVE and leave 4?

Difficulty: Tricky While out adventuring, Heracles the Hero came across a monstrous, 9-headed Hydra. Without pausing to think, Heracles pulled out his sword and started cutting off the Hydra’s heads. After several minutes of cutting, Heracles realised it was taking ages to remove the heads. Then he remembered something his friend Euripides told him.