Other tags that relate to X-dice
Tree diagrams. Equally likely outcomes. Spreadsheets. Combining probabilities. Conditional probability. Probability. Mathematical modelling. Theoretical probability. Biology. Experimental probability.There are 56 results
Broad Topics > Physical and Digital Manipulatives > Spreadsheets
Succession in Randomia
Age 16 to 18
Challenge Level
By tossing a coin one of three princes is chosen to be the next King of Randomia. Does each prince have an equal chance of taking the throne?
Time to Evolve 2
Age 16 to 18
Challenge Level
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
Pythagoras’ Comma
Age 14 to 16
Challenge Level
Using an understanding that 1:2 and 2:3 were good ratios, start with a length and keep reducing it to 2/3 of itself. Each time that took the length under 1/2 they doubled it to get back within range.
Tree Tops
Age 14 to 16
Challenge Level
Can you make sense of information about trees in order to maximise the profits of a forestry company?
The Legacy
Age 14 to 16
Challenge Level
Your school has been left a million pounds in the will of an ex- pupil. What model of investment and spending would you use in order to ensure the best return on the money?
Peaches in General
Age 14 to 16
Challenge Level
It's like 'Peaches Today, Peaches Tomorrow' but interestingly generalized.
Excel Interactive Resource: Interactive Division
Age 11 to 16
Challenge Level
Use an Excel to investigate division. Explore the relationships between the process elements using an interactive spreadsheet.
Dating Made Easier
Age 14 to 16
Challenge Level
If a sum invested gains 10% each year how long before it has doubled its value?
Excel Technique: Conditional Formatting
Age 11 to 16
Challenge Level
Learn how to use conditional formatting to create attractive interactive spreadsheets in Excel.
Under the Ribbon
Age 14 to 16
Challenge Level
A ribbon is nailed down with a small amount of slack. What is the largest cube that can pass under the ribbon ?
Excel Investigation: Number Pyramids
Age 11 to 16
Challenge Level
Use Excel to create some number pyramids. How are the numbers in the base line related to each other? Investigate using the spreadsheet.
Excel Investigation: Pascal Multiples
Age 11 to 16
Challenge Level
This spreadsheet highlights multiples of numbers up to 20 in Pascal's triangle. What patterns can you see?
Excel Interactive Resource: Number Grid Functions
Age 11 to 16
Challenge Level
Use Excel to investigate the effect of translations around a number grid.
Excel Interactive Resource: the up and Down Game
Age 11 to 16
Challenge Level
Use an interactive Excel spreadsheet to explore number in this exciting game!
Excel Technique: Triangular Arrays by Turning Off Zeros
Age 11 to 16
Challenge Level
Learn how to use Excel to create triangular arrays.
Take Ten Sticks
Age 11 to 16
Challenge Level
Take ten sticks in heaps any way you like. Make a new heap using one from each of the heaps. By repeating that process could the arrangement 7 - 1 - 1 - 1 ever turn up, except by starting with it?
Excel Investigation: Ring on a String
Age 11 to 16
Challenge Level
This investigation uses Excel to optimise a characteristic of interest.
Euler's Squares
Age 14 to 16
Challenge Level
Euler found four whole numbers such that the sum of any two of the numbers is a perfect square...
Excel Technique: Composite Bar Charts
Age 11 to 16
Challenge Level
Learn how to use composite bar charts in Excel.
Minus One Two Three
Age 14 to 16
Challenge Level
Substitute -1, -2 or -3, into an algebraic expression and you'll get three results. Is it possible to tell in advance which of those three will be the largest ?
Odd Differences
Age 14 to 16
Challenge Level
The diagram illustrates the formula: 1 + 3 + 5 + ... + (2n - 1) = n² Use the diagram to show that any odd number is the difference of two squares.
Peeling the Apple or the Cone That Lost Its Head
Age 14 to 16
Challenge Level
How much peel does an apple have?
The Fire-fighter's Car Keys
Age 14 to 16
Challenge Level
A fire-fighter needs to fill a bucket of water from the river and take it to a fire. What is the best point on the river bank for the fire-fighter to fill the bucket ?.
Zeller's Birthday
Age 14 to 16
Challenge Level
What day of the week were you born on? Do you know? Here's a way to find out.
Unusual Long Division - Square Roots Before Calculators
Age 14 to 16
Challenge Level
However did we manage before calculators? Is there an efficient way to do a square root if you have to do the work yourself?
Funnel
Age 14 to 16
Challenge Level
A plastic funnel is used to pour liquids through narrow apertures. What shape funnel would use the least amount of plastic to manufacture for any specific volume ?
Excel Investigation: Happy Numbers
Age 11 to 16
Challenge Level
Take any whole number between 1 and 999, add the squares of the digits to get a new number. Use a spreadsheet to investigate this sequence.
Excel Interactive Resource: Long Multiplication
Age 11 to 16
Challenge Level
Use an Excel spreadsheet to explore long multiplication.
Excel Interactive Resource: Equivalent Fraction Bars
Age 11 to 16
Challenge Level
A simple file for the Interactive whiteboard or PC screen, demonstrating equivalent fractions.
Excel Investigation: the Difference of Two (same) Powers
Age 11 to 16
Challenge Level
If you take two integers and look at the difference between the square of each value, there is a nice relationship between the original numbers and that difference. Can you find the pattern using. . . .
Excel Technique: Inserting an Increment Button
Age 11 to 16
Challenge Level
Learn how to use increment buttons and scroll bars to create interactive Excel resources.
Excel Interactive Resource: Fraction Multiplication
Age 11 to 16
Challenge Level
Use Excel to explore multiplication of fractions.
Excel Investigation: More Beads
Age 11 to 16
Challenge Level
A heap of beads was shared out by a professional bead sharer. Use the information given to find out how many beads there were at the start.
Excel Technique: Making a Table for a Function of Two Independent
Age 11 to 16
Challenge Level
Learn how to make a simple table using Excel.
Excel Interactive Resource: Make a Copy
Age 11 to 16
Challenge Level
Investigate factors and multiples using this interactive Excel spreadsheet. Use the increment buttons for experimentation and feedback.
Negative Power
Age 14 to 16
Challenge Level
What does this number mean ? Which order of 1, 2, 3 and 4 makes the highest value ? Which makes the lowest ?
Excel Interactive Resource: Haitch
Age 11 to 16
Challenge Level
An Excel spreadsheet with an investigation.
Excel Investigation: Difference Tuples
Age 11 to 16
Challenge Level
Use an Excel spreadsheet to investigate differences between four numbers. Which set of start numbers give the longest run before becoming 0 0 0 0?
Excel Investigation: Planks
Age 11 to 16
Challenge Level
I have an unlimited supply of planks, of lengths 7 and 9 units. Putting planks end to end, what total lengths can be achieved? Use Excel to investigate.
Excel Investigation: Power Crazy
Age 11 to 16
Challenge Level
When is 7^n + 3^n a multiple of 10? Use Excel to investigate, and try to explain what you find out.
There's Always One Isn't There
Age 14 to 16
Challenge Level
Take any pair of numbers, say 9 and 14. Take the larger number, fourteen, and count up in 14s. Then divide each of those values by the 9, and look at the remainders.
Getting to Know Excel
Age 11 to 16
Challenge Level
A number of useful techniques that can extend your use of Excel.
Excel Technique: LOOKUP Functions
Age 11 to 16
Challenge Level
Learn how to use lookup functions to create exciting interactive Excel spreadsheets.
Excel Investigation: Pythagorean Triples
Age 11 to 16
Challenge Level
Use Excel to find sets of three numbers so that the sum of the squares of the first two is equal to the square of the third.
Excel Investigation: Multiples of Three
Age 11 to 16
Challenge Level
Use Excel to investigate digit sums of multiples of three. Can you explain your findings?
Excel Investigation: Beads
Age 11 to 16
Challenge Level
Use Excel to investigate remainders and divisors. Was your result predictable?
Excel Technique: LCM & HCF (or GCD)
Age 11 to 16
Challenge Level
Learn how to use the Excel functions LCM and GCD.
Excel Technique: Using Paste Special to Lift a Copy of Values
Age 11 to 16
Challenge Level
Learn how to use advanced pasting techniques to create interactive spreadsheets.
NRICH is part of the family of activities in the Millennium Mathematics Project.