Pandigital NumbersAn exercise exploring the properties of ninedigit numbers containing each of the digits 1 to 9. 
For the purposes of this exercise pandigital numbers are nine digit numbers containing the digits one to nine. Here is an example:
312987456
You can earn a trophy if you get at least 4 questions correct and you do this activity online.
InstructionsTry your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help. When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file. 



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Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician? Comment recorded on the 23 September 'Starter of the Day' page by Judy, Chatsmore CHS: "This triangle starter is excellent. I have used it with all of my ks3 and ks4 classes and they are all totally focused when counting the triangles." Comment recorded on the 18 September 'Starter of the Day' page by Mrs. Peacock, Downe House School and Kennet School: "My year 8's absolutely loved the "Separated Twins" starter. I set it as an optional piece of work for my year 11's over a weekend and one girl came up with 3 independant solutions." 
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Divisibility Test  Quick ways to spot whether a number is divisible by the numbers 2 to 9.
Level 1  Basic questions about pandigital numbers
Level 2  More challenging questions about pandigital numbers
Level 3  Excruciatingly difficult questions about pandigital numbers
Magic Square  Each row, column and diagonal should produce the same sum.
Nine Digits  Arrange the given digits to make three numbers such that two of them add up to the third.
Double Treble  Arrange the digits to make three 3 digit numbers such that the second is double the first and the third is three times the first.
Triside Totals  Arrange the given digits to make three numbers such that the third is the product of the first and the second.
Delightfully Divisible  Arrange the digits one to nine to make a number which is divisible in the way described.
Divisive  Arrange the digits one to nine on the spaces provided to make two division calculations containing multiples of three.
Go Figure  Arrange the digits one to nine to make the four calculations correct.
Olympic Rings  Place the digits one to nine in each of the regions created by the Olympic rings so that the sum of the numbers in each ring is the same.
Nine Nine Nine  Use the digits 1 to 9 to make three 3 digit numbers which add up to 999.
Multitude  Arrange the given digits to make three numbers such that the third is the product of the first and the second.
Satisfy  Place the nine numbers in the table so they obey the row and column headings about the properties of the numbers.
The Miller's Puzzle  This is an interactive version of the puzzle described by Henry Ernest Dudeney in The Canterbury Puzzles.
Ludicross  Arrange the given numbers on the cross so that the sum of the numbers in both diagonals is the same.
Largest Product  Drag the numbers and multiplication signs onto the shelf to create the largest possible product.
Centexpression  Drag all of the numbers and some of the symbols onto the shelf to create a calculation for 100.
Suko Sujiko  Interactive numberbased logic puzzles similar to those featuring in daily newspapers.
More puzzles including lesson Starters, investigations and selfmarking exercises.
The definition of a pandigital number used in this exercise is a nine digit number containing each of the digits one to nine. Other definitions include the digit zero and allow multiple occurances of digits in longer numbers.
Here are some draggable number tiles you may find useful when thinking about pandigital numbers.
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9
Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly. You can doubleclick the 'Check' button to make it float at the bottom of your screen.
Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.
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