Password Back to Resources A password is needed to enter the secret elf workshop. Can you work out what it is? Santa says 'Five'. Eoin says 'Four'. Santa says 'Three'. Aine says 'Five'. Santa says 'Ten'. Brian says 'Three'. Santa says 'Eleven'. What should you say to be able [...]
Chritsmas Tree Maths Back to Resources The elves love their mathy tree! But they are a bit confused. How many triangles can you see in this triangle-based Christmas tree? Download a paper version at the bottom of the page. 13 9 little triangles, 3 medium triangles and 1 [...]
Santa's Workshop Back to Resources The elves have to finish the toys. Unfortunately, they lost count of cuddly toys and wheels. Solve the riddle and help them sorting things out! Use the 'Check' button to verify your answers. Download a paper version at the bottom of the page. [...]
Christmas Hat Origami Back to Advent Calendar Christmas Hat Origami Back to Resources Start with square paper and follow the instructions. Use a paper coloured on one side, or use a plain white one and colour it later. Use a large square to [...]
Christmas Mystery Box Back to the calendar Christmas Mystery Box Back to Resources The precious map of Santa's journey is safely locked away. Say the magic word and the box will open! Unfortunately, Santa has memory problems! But don't worry the clever elves [...]
Christmas Pictoku Back to Resources Complete the grid by dragging the correct picture. No picture may appear twice in any row or column. Use the 'Check' button to verify your answers. Use the blue arrows to try different puzzles. Download a paper version instructions at the bottom of the page. [...]
Flower watering programme Back to calendar Flower watering programme Back to Resources A lazy but clever elf wants to program his robot to take a nap while the robot waters his plants. Help him by correctly ordering the different commands. Use the ‘Check’ [...]
Christmas Survey Back to calendar Christmas Survey Back to Resources Before Christmas, an elf was sent out to carefully survey the streets of a small town. He marked his route by drawing the houses he came across. Unfortunately, they got mixed up. [...]
Snow Problem Back to the calendar Snow Problem Back to Resources Which event is most likely to happen? An idea from the book Think Twice by Alex Bellos Use the 'Check' button to verify your answer. [...]
Sense of Numbers Back to calendar Sense of Numbers Back to Resources Everyone is able to feel approximate quantities and to make simple calculations of these quantities. It doesn't matter what culture or age you're from, whether you know the names of the [...]
