Year 5 Maths Internet Treasure Hunt

Year 5 Maths Internet Treasure Hunt 

Click on the links in blue to be taken to the relevant page. Write your answers on the sheet provided. Happy hunting!

  1. A regular shape is one where all the angles and sides are the same. There are five regular 3D shapes, (called platonic solids). Look here to see pictures of the five shapes. The first four are the tetrahedron, cube, octahedron, dodecahedron. What is the fifth?

  2. Try this angles game. The idea is to shoot down the flying saucers, by choosing the angle to shoot at. 0 degrees means to shoot left, 90 means to shoot straight up and 180 to shoot right. Once you have shot down 10 aliens, you are given a message to congratulate you. What does it say?

  3. Prime numbers like 2, 3, 5, 7 and 11 are very important in maths. Go to this maths dictionary and find the definition for "prime number". Fill in the blank in this sentence: If a number is not prime, we call it a ____ number.

  4. Look at this page of photos of the beautiful cathedral in Barcelona called the Sagrada Familia. One of the pictures shows a magic square (also called a cryptogram) which is on the outside of the cathedral by statues of Jesus being kissed by Judas. A magic square is one where each row, column and diagonal add up to the same number. What is that number for the magic square in the picture? Why do you think that number was chosen?

  5. Go here for a game involving coordinates. Remember "along the corridor and up the stairs" so (3, 5) means 3 along to the right and 5 up. When you've fed the bug 10 times, what message comes up?

  6. Rene Descartes was a famous French mathematician who invented how we use coordinates and graphs. He also stayed in bed every morning until about 11 o'clock! His most important idea is found in his famous saying "cogito ergo sum" (this is in Latin). Read this brief summary of his ideas and find out what this means in English.

  7. This page has pictures of 9 mathematically interesting buildings from around the world. One of them is a strange-looking building in London, UK. This building is called the ____?

  8. Go to this page and read the description of the map-colouring problem. Try to colour the map with four colours. When you succeed, what is the message you are given at the bottom of the puzzle, written in pink?

  9. Have a look at the work of famous Dutch artist MC Escher by visiting this page. His work involved lots of mathematical ideas such as symmetry (reflection, rotation, tessellation…). Look at the picture called “Plane Filling II”. What is the only object in the picture which is not some sort of creature?

  10. Go to this page to play a Sudoku puzzle. Once you've pressed "play", click on an empty square any number of times to change the colour of the square. Each colour should appear only once in each row, once in each column and once in each quarter of the grid. When you think you've solved the puzzle, click on "check it". What is the message when you get it right?
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