Squigits

A Maths Starter of The Day

Each of the digits in the number ninety four are square numbers. Let's call all numbers like that squigits!

1. Can you find a squigit which is divisible by 7 and larger than 50?

2. Which two squigits have a difference of 100?

3. Find a squigit who's square root is also a squigit.

4. Find a squigit that's also a prime number.

5. How many years last
century were squigits?

 

 

 

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"Surely 0 is a square number so your answer for the years should also include 1900, 1901, 1904, 1909, 1910, 1940, 1990 making 16 in total."

S.Singh, Maltby Comprehensive, Rotherham
Monday, June 30, 2008

 

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This starter has scored a mean of 3.4 out of 5 based on 29 votes.
 

  

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Answers

1. 91.... but there are many other correct answers.

2. 11 and 111.... but there are many other correct answers.

3. 1.... but there are many other correct answers.

4. 11.... but there are many other correct answers.

5. 9. (1911, 1914, 1919, 1941, 1944, 1949, 1991, 1994, 1999)