Most investigations are explorations into unknown situations rather than normal mathematics problems which have a definite answer. You are allowed to choose the way you work and how you record your findings. It is one of the few occasions when 'going off on a tangent' is not only acceptable but actively encouraged (within reason). Investigations can always be extended by asking the question 'what if?'
Investigate polygons with an area of 4 square units. This is your starting point, you can decide how to proceed. Perhaps squared paper or an online pinboard may help.
Decide which of the four schemes Aunt Lucy proposes will provide the most money. This investigation involves the sum of sequences as well as considering life expectancy.
Investigate the ways of making up various postage amounts using 3p and 8p stamps. An online stamp calculator is provided for you to check your working.
Is it true that most numbers begin with 1? Think of numbers you see everyday and it is a surprising fact that so many of them begin with a one. Can you think why this is true?
Investigate the possibility of redesigning the Braille alphabet to make it easier to learn. You will first need to examine the current version and learn how it is used.
Two men and two boys want to cross a river and they only have one canoe which will only hold one man or two boys.
Find two decimal numbers that add up to exactly one. What is the product of these two decimals?
How many different badges can you make using squares put together to make a rectangle. You can use three different colours but the finished design must be symmetrical.
Throw two dice and multiply the scores. Investigate the different products you can obtain. What about adding? What about using three dice?
Investigate numbers which are multiples of the sum of their digits.
Investigate the small LEDs used to make up the digits on a calculator display.
In how many different ways can two eggs be arranged in an egg box?
If you know the final score of a football match, what might the half time score have been?
Generate a number sequence based on the number of letters needed to spell the previous number.
A logical challenge requiring a strategy to update each of the numbers in a grid.
An online tool to draw, display and investigate graphs of many different kinds.
Choose the amount of liquid from each bottle needed to make the watermelon grow as big as possible.
How many different ways can you cut this shape in half!
If everyone in this room shook hands with each other, how many handshakes would there be?
To find out whether a number is happy square each of its digits, add the answers and repeat. End in one and the number is happy.
An investigation about making change for different amounts.
The houses in Mathsland are all three storeys tall. Each storey is painted using one colour. How many ways can the houses be painted.
Investigate the number of rectangles on a grid of squares. What strategies will be useful in coming up with the answer?
How many different polygons can you make on a 3 by 3 pin board? What about larger pin boards?
If a number of Hula Hoops are dropped on the floor, what is the maximum number of regions they might form?
Can you make 4 litres if you only have 7 and 5 litre jugs?
What is the greatest number of lamp-posts that could be needed for a given village?
Can you make the blue and green frogs swap places in the smallest number of moves?
How many different letters can you send with the given stamps.
Find the maximum volume of a tray made from an A4 sheet of paper. A practical mathematical investigation.
Investigate the properties of the Mystic Rose by using this interactive diagram.
Find the relationships between the numbers on the grid.
Take three dice. How many ways can they be turned so that they show only odd numbers on top?
How many steps does each number take to become palandromic?
Rows and columns of dots that can be joined using straight lines to create shapes.
Investigate polygons with an area of 4 sq. units. Investigate polygons with other areas.
An eight question survey collecting data for an amazing probability experiment.
When the numbers appear hit the correct button depending on whether the numbers are even or odd
The perimeter of a rectangle is 28cm. What could its area be?
Using 12 rods of varying lengths how many different triangles can you make?
Manipulate the Lissajou curve to produce a perfectly symmetrical (vertically and horizontally) infinity symbol.
Investigate a special snooker table with only four pockets. Which hole will the snooker ball fall into for various sized snooker tables?
Where should you stand in the circle to win the Songkran game?
Investigate this growing sequence of steps.
A game, a puzzle and a challenge involving counters being placed at the corners of a square on a grid.
Which polygons tessellate? Which pentominoes tessellate? Drag the shapes onto the canvas to create tessellating patterns and investigate the laws of tessellations.
A tetrominoe is a shape made of four squares joined edge to edge. How many different tetrominoes are there?
See if you can make all of the numbers from 0 to 10 using four threes
Move the pieces of the tower from one place to another in the minimum number of moves.
How many ways can three cars be lined up in a traffic jam?
Investigate the connection between the numbers in a T shape drawn on this month's calendar.
How many different colour schemes can you devise for the Transum Club Badge.
Which numbers can be represented by groups of circles in the shape of a trapezium?
A strategy game requiring you to select three words with a common letter before the computer does.
Drag the 20 flowers into the gardens so that 9 flowers are visible from each window of the house.
"Find the number of the last page of a book. Consider the first digit of that number. What is the probability it is a one? What is the probability it is a nine? Investigate."
Tuesday, May 5, 2009
"Investigate the strategies you might use when playing a game of noughts and crosses (tic tac toe)."
Saturday, May 30, 2009
"Design a box to hold 10 tennis balls. If the box is made from card, what shaped box would require the least amount of card? What box design would have the minimum volume? Extend for other numbers of tennis balls."
Sunday, November 1, 2015
"In how many ways is possible to join four squares together edge to edge? The shapes formed are called Tetrominoes. Which tetrominoes tessellate? What different shapes can be made by all of the tetrominoes together?"
Monday, November 23, 2015
There are plenty more ideas for investigations on the Transum website. See also our Investigation Lesson Starters page
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