Other tags that relate to Tree Tops
Handling data. Spreadsheets. Biology. Real world. Processing and representing data. Comparing data. Maths Supporting SET. Maximise/minimise/optimise. Mathematical modelling. Interpreting data.There are 61 results
Broad Topics > Information and Communications Technology > Spreadsheets
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?
What's the Weather Like?
Age 11 to 14 Challenge Level:
With access to weather station data, what interesting questions can you investigate?
Substitution Cipher
Age 11 to 14 Challenge Level:
Find the frequency distribution for ordinary English, and use it to help you crack the code.
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?
Excel Technique: LOOKUP Functions
Age 11 to 16 Challenge Level:
Learn how to use lookup functions to create exciting interactive Excel spreadsheets.
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.
Excel Investigation: Fraction Combinations
Age 11 to 16 Challenge Level:
Choose four numbers and make two fractions. Use an Excel spreadsheet to investigate their properties. Can you generalise?
Excel Technique: Logic Tests
Age 11 to 16 Challenge Level:
Learn how to use logic tests to create interactive resources using Excel.
Excel Technique: Triangular Arrays by Turning Off Zeros
Age 11 to 16 Challenge Level:
Learn how to use Excel to create triangular arrays.
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 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: 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 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: Conditional Formatting
Age 11 to 16 Challenge Level:
Learn how to use conditional formatting to create attractive interactive spreadsheets in Excel.
Excel Technique: Composite Bar Charts
Age 11 to 16 Challenge Level:
Learn how to use composite bar charts in Excel.
Excel Investigation: Ring on a String
Age 11 to 16 Challenge Level:
This investigation uses Excel to optimise a characteristic of interest.
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: Target Decimal
Age 11 to 16 Challenge Level:
Use an Excel spreadsheet to approximate a decimal using trial and improvement.
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 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.
Getting to Know Excel
Age 11 to 16 Challenge Level:
A number of useful techniques that can extend your use of 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.
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 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 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.
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?
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 ?
Peeling the Apple or the Cone That Lost Its Head
Age 14 to 16 Challenge Level:
How much peel does an apple have?
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...
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.
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?
Excel Interactive Resource: Fraction Addition & Fraction Subtraction
Age 11 to 16 Challenge Level:
Use Excel to practise adding and subtracting fractions.
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.
Sending a Parcel
Age 11 to 14 Challenge Level:
What is the greatest volume you can get for a rectangular (cuboid) parcel if the maximum combined length and girth are 2 metres?
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.
Peaches in General
Age 14 to 16 Challenge Level:
It's like 'Peaches Today, Peaches Tomorrow' but interestingly generalized.
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?
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 Interactive Resource: Fraction Multiplication
Age 11 to 16 Challenge Level:
Use Excel to explore multiplication of fractions.
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...
Excel Interactive Resource: Haitch
Age 11 to 16 Challenge Level:
An Excel spreadsheet with an investigation.
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.
NRICH is part of the family of activities in the Millennium Mathematics Project.