text: # Resources tagged with: Visualising
  
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  ### There are 179 results
  
  Broad Topics > Thinking Mathematically > Visualising
  
  ##### Age 11 to 14Challenge Level
  
  How many different symmetrical shapes can you make by shading triangles or squares?
  
  ### Reflecting Squarely
  
  ##### Age 11 to 14Challenge Level
  
  In how many ways can you fit all three pieces together to make shapes with line symmetry?
  
  ### Pattern Power
  
  ##### Age 5 to 14
  
  Mathematics is the study of patterns. Studying pattern is an opportunity to observe, hypothesise, experiment, discover and create.
  
  ### Khun Phaen Escapes to Freedom
  
  ##### Age 11 to 14Challenge Level
  
  Slide the pieces to move Khun Phaen past all the guards into the position on the right from which he can escape to freedom.
  
  ### Prime Magic
  
  ##### Age 7 to 16Challenge Level
  
  Place the numbers 1, 2, 3,..., 9 one on each square of a 3 by 3 grid so that all the rows and columns add up to a prime number. How many different solutions can you find?
  
  ### Screwed-up
  
  ##### Age 11 to 14Challenge Level
  
  A cylindrical helix is just a spiral on a cylinder, like an ordinary spring or the thread on a bolt. If I turn a left-handed helix over (top to bottom) does it become a right handed helix?
  
  ### Weighty Problem
  
  ##### Age 11 to 14Challenge Level
  
  The diagram shows a very heavy kitchen cabinet. It cannot be lifted but it can be pivoted around a corner. The task is to move it, without sliding, in a series of turns about the corners so that it. . . .
  
  ### John's Train Is on Time
  
  ##### Age 11 to 14Challenge Level
  
  A train leaves on time. After it has gone 8 miles (at 33mph) the driver looks at his watch and sees that the hour hand is exactly over the minute hand. When did the train leave the station?
  
  ### A Problem of Time
  
  ##### Age 14 to 16Challenge Level
  
  Consider a watch face which has identical hands and identical marks for the hours. It is opposite to a mirror. When is the time as read direct and in the mirror exactly the same between 6 and 7?
  
  ### Sliced
  
  ##### Age 14 to 16Challenge Level
  
  An irregular tetrahedron has two opposite sides the same length a and the line joining their midpoints is perpendicular to these two edges and is of length b. What is the volume of the tetrahedron?
  
  ### Is There a Theorem?
  
  ##### Age 11 to 14Challenge Level
  
  Draw a square. A second square of the same size slides around the first always maintaining contact and keeping the same orientation. How far does the dot travel?
  
  ### Troublesome Dice
  
  ##### Age 11 to 14Challenge Level
  
  When dice land edge-up, we usually roll again. But what if we didn't...?
  
  ### Flight of the Flibbins
  
  ##### Age 11 to 14Challenge Level
  
  Blue Flibbins are so jealous of their red partners that they will not leave them on their own with any other bue Flibbin. What is the quickest way of getting the five pairs of Flibbins safely to. . . .
  
  ### Squares, Squares and More Squares
  
  ##### Age 11 to 14Challenge Level
  
  Can you dissect a square into: 4, 7, 10, 13... other squares? 6, 9, 12, 15... other squares? 8, 11, 14... other squares?
  
  ### Picturing Square Numbers
  
  ##### Age 11 to 14Challenge Level
  
  Square numbers can be represented as the sum of consecutive odd numbers. What is the sum of 1 + 3 + ..... + 149 + 151 + 153?
  
  ### Jam
  
  ##### Age 14 to 16Challenge Level
  
  A game for 2 players
  
  ### All Tied Up
  
  ##### Age 14 to 16Challenge Level
  
  A ribbon runs around a box so that it makes a complete loop with two parallel pieces of ribbon on the top. How long will the ribbon be?
  
  ### Hypotenuse Lattice Points
  
  ##### Age 14 to 16Challenge Level
  
  The triangle OMN has vertices on the axes with whole number co-ordinates. How many points with whole number coordinates are there on the hypotenuse MN?
  
  ### The Spider and the Fly
  
  ##### Age 14 to 16Challenge Level
  
  A spider is sitting in the middle of one of the smallest walls in a room and a fly is resting beside the window. What is the shortest distance the spider would have to crawl to catch the fly?
  
  ### Tourism
  
  ##### Age 11 to 14Challenge Level
  
  If you can copy a network without lifting your pen off the paper and without drawing any line twice, then it is traversable. Decide which of these diagrams are traversable.
  
  ### The Bridges of Konigsberg
  
  ##### Age 11 to 18Challenge Level
  
  Investigate how networks can be used to solve a problem for the 18th Century inhabitants of Konigsberg.
  
  ### Frogs
  
  ##### Age 11 to 14Challenge Level
  
  How many moves does it take to swap over some red and blue frogs? Do you have a method?
  
  ### Painted Cube
  
  ##### Age 14 to 16Challenge Level
  
  Imagine a large cube made from small red cubes being dropped into a pot of yellow paint. How many of the small cubes will have yellow paint on their faces?
  
  ### Tilting Triangles
  
  ##### Age 14 to 16Challenge Level
  
  A right-angled isosceles triangle is rotated about the centre point of a square. What can you say about the area of the part of the square covered by the triangle as it rotates?
  
  ### Cutting a Cube
  
  ##### Age 11 to 14Challenge Level
  
  A half-cube is cut into two pieces by a plane through the long diagonal and at right angles to it. Can you draw a net of these pieces? Are they identical?
  
  ### Picturing Triangular Numbers
  
  ##### Age 11 to 14Challenge Level
  
  Triangular numbers can be represented by a triangular array of squares. What do you notice about the sum of identical triangle numbers?
  
  ### Rolling Triangle
  
  ##### Age 11 to 14Challenge Level
  
  The triangle ABC is equilateral. The arc AB has centre C, the arc BC has centre A and the arc CA has centre B. Explain how and why this shape can roll along between two parallel tracks.
  
  ### Hidden Rectangles
  
  ##### Age 11 to 14Challenge Level
  
  Rectangles are considered different if they vary in size or have different locations. How many different rectangles can be drawn on a chessboard?
  
  ### One and Three
  
  ##### Age 14 to 16Challenge Level
  
  Two motorboats travelling up and down a lake at constant speeds leave opposite ends A and B at the same instant, passing each other, for the first time 600 metres from A, and on their return, 400. . . .
  
  ##### Age 11 to 14Challenge Level
  
  Four rods, two of length a and two of length b, are linked to form a kite. The linkage is moveable so that the angles change. What is the maximum area of the kite?
  
  ### Framed
  
  ##### Age 11 to 14Challenge Level
  
  Seven small rectangular pictures have one inch wide frames. The frames are removed and the pictures are fitted together like a jigsaw to make a rectangle of length 12 inches. Find the dimensions of. . . .
  
  ### Wari
  
  ##### Age 14 to 16Challenge Level
  
  This is a simple version of an ancient game played all over the world. It is also called Mancala. What tactics will increase your chances of winning?
  
  ### Corridors
  
  ##### Age 14 to 16Challenge Level
  
  A 10x10x10 cube is made from 27 2x2 cubes with corridors between them. Find the shortest route from one corner to the opposite corner.
  
  ### Clocked
  
  ##### Age 11 to 14Challenge Level
  
  Is it possible to rearrange the numbers 1,2......12 around a clock face in such a way that every two numbers in adjacent positions differ by any of 3, 4 or 5 hours?
  
  ### KÃ¶nigsberg
  
  ##### Age 11 to 14Challenge Level
  
  Can you cross each of the seven bridges that join the north and south of the river to the two islands, once and once only, without retracing your steps?
  
  ### Dotty Triangles
  
  ##### Age 11 to 14Challenge Level
  
  Imagine an infinitely large sheet of square dotty paper on which you can draw triangles of any size you wish (providing each vertex is on a dot). What areas is it/is it not possible to draw?
  
  ### AMGM
  
  ##### Age 14 to 16Challenge Level
  
  Can you use the diagram to prove the AM-GM inequality?
  
  ### Rati-o
  
  ##### Age 11 to 14Challenge Level
  
  Points P, Q, R and S each divide the sides AB, BC, CD and DA respectively in the ratio of 2 : 1. Join the points. What is the area of the parallelogram PQRS in relation to the original rectangle?
  
  ### Dice, Routes and Pathways
  
  ##### Age 5 to 14
  
  This article for teachers discusses examples of problems in which there is no obvious method but in which children can be encouraged to think deeply about the context and extend their ability to. . . .
  
  ### Clocking Off
  
  ##### Age 7 to 16Challenge Level
  
  I found these clocks in the Arts Centre at the University of Warwick intriguing - do they really need four clocks and what times would be ambiguous with only two or three of them?
  
  ### Tower of Hanoi
  
  ##### Age 11 to 14Challenge Level
  
  The Tower of Hanoi is an ancient mathematical challenge. Working on the building blocks may help you to explain the patterns you notice.
  
  ### Double Trouble
  
  ##### Age 14 to 16Challenge Level
  
  Simple additions can lead to intriguing results...
  
  ### Seven Squares
  
  ##### Age 11 to 14Challenge Level
  
  Watch these videos to see how Phoebe, Alice and Luke chose to draw 7 squares. How would they draw 100?
  
  ### Route to Infinity
  
  ##### Age 11 to 14Challenge Level
  
  Can you describe this route to infinity? Where will the arrows take you next?
  
  ### Steel Cables
  
  ##### Age 14 to 16Challenge Level
  
  Some students have been working out the number of strands needed for different sizes of cable. Can you make sense of their solutions?
  
  ### 3D Stacks
  
  ##### Age 7 to 14Challenge Level
  
  Can you find a way of representing these arrangements of balls?
  
  ### Partly Painted Cube
  
  ##### Age 14 to 16Challenge Level
  
  Jo made a cube from some smaller cubes, painted some of the faces of the large cube, and then took it apart again. 45 small cubes had no paint on them at all. How many small cubes did Jo use?
  
  ### Christmas Chocolates
  
  ##### Age 11 to 14Challenge Level
  
  How could Penny, Tom and Matthew work out how many chocolates there are in different sized boxes?
  
  ### Mystic Rose
  
  ##### Age 14 to 16Challenge Level
  
  Use the animation to help you work out how many lines are needed to draw mystic roses of different sizes.
  
  ### Speeding Boats
  
  ##### Age 14 to 16Challenge Level
  
  Two boats travel up and down a lake. Can you picture where they will cross if you know how fast each boat is travelling?
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