Other tags that relate to Maximum Mean
Measures of spread. GeoGebra. Sampling. Mass and weight. Handling data. Maths Supporting SET. Generalising. Mathematical reasoning & proof. Creating and manipulating expressions and formulae. Averages.There are 59 results
Broad Topics > Physical and Digital Manipulatives > Spreadsheets
Litov's Mean Value Theorem
Age 11 to 14
Challenge Level
Start with two numbers and generate a sequence where the next number is the mean of the last two numbers...
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 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 Interactive Resource: Fraction Multiplication
Age 11 to 16
Challenge Level
Use Excel to explore multiplication of fractions.
Excel Interactive Resource: Multiples Chain
Age 11 to 16
Challenge Level
Use an interactive Excel spreadsheet to investigate factors and multiples.
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: Fraction Addition & Fraction Subtraction
Age 11 to 16
Challenge Level
Use Excel to practise adding and subtracting fractions.
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.
Peaches in General
Age 14 to 16
Challenge Level
It's like 'Peaches Today, Peaches Tomorrow' but interestingly generalized.
Excel Interactive Resource: Haitch
Age 11 to 16
Challenge Level
An Excel spreadsheet with an investigation.
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?
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?
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...
What's the Weather Like?
Age 11 to 14
Challenge Level
With access to weather station data, what interesting questions can you investigate?
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.
Substitution Cipher
Age 11 to 14
Challenge Level
Find the frequency distribution for ordinary English, and use it to help you crack the code.
Training Schedule
Age 14 to 16
Challenge Level
The heptathlon is an athletics competition consisting of 7 events. Can you make sense of the scoring system in order to advise a heptathlete on the best way to reach her target?
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?
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?
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 ?
Time of Birth
Age 11 to 14
Challenge Level
A woman was born in a year that was a square number, lived a square number of years and died in a year that was also a square number. When was she born?
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.
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 ?.
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 Technique: Composite Bar Charts
Age 11 to 16
Challenge Level
Learn how to use composite bar charts in Excel.
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?
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 ?
Cola Can
Age 11 to 14
Challenge Level
An aluminium can contains 330 ml of cola. If the can's diameter is 6 cm what is the can's height?
Excel Investigation: Ring on a String
Age 11 to 16
Challenge Level
This investigation uses Excel to optimise a characteristic of interest.
Excel Technique: Triangular Arrays by Turning Off Zeros
Age 11 to 16
Challenge Level
Learn how to use Excel to create triangular arrays.
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: 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 Technique: LOOKUP Functions
Age 11 to 16
Challenge Level
Learn how to use lookup functions to create exciting interactive Excel spreadsheets.
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 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 ?
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.
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.
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. . . .
Getting to Know Excel
Age 11 to 16
Challenge Level
A number of useful techniques that can extend your use of Excel.
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?
NRICH is part of the family of activities in the Millennium Mathematics Project.