Something to think about…
If you go diagonal on the 9 times table on number 36 there is 2 sircled number s ether side.
Why is there 2 sircled number s on the 5 times table column but in the 7 column there is only one been sircled.
Are you saying that the “7 column” is the 7 times table. Is there anything special about the circled numbers? Does it have to be about times tables?
Blue is a prime number
Yello is a square number
Great spot Oli. Which other numbers would be blue and yellow then?
Maybe you chose those numbers to test out if we know our odds and evens ( All of these numbers are odd ). These numbers might be circled because the number 37 is the biggest number and blue is the darkest colour and then it goes 35 which is the second biggest number which means it’s red and then yellow is the lightest colour and 25 is the smallest number out of all of them ( 37,35,25 ).
They are all odd. That is true. The colour idea is interesting. How else are the numbers different? What makes each of them unique?
I found that yellow was a square number and blue was a prime number, 17 would also be a prime number and I think 19 could have but I know that 4,9,16,36,49,81,100,64 and 1 would have been square numbers aswell
Great knowledge of square numbers. Can you write 3 square numbers that are above 100?
How can you prove that 19 is a prime number?
Why isn’t it a times table grid
Because it’s a 1-100 square.
I can see the the red and yellow circle they both end with a five and one if them starts with a 3 and one of them starts with a 2 . The blue starts with a 3 and ends with a seven . I think there circled because there more important than the others …..
But what would make them more important?
It makes them important because other numbers are not circled
25,35 in the 5times tables.
you could have picked any three numbers
53,21,0 any number at all
7,16,(25) 8,17,26,(35) 10,19,28,(35)
However, 25 and 35 have different coloured circles. What makes these numbers different? Which other numbers could be yellow?
2 of the numbers are in the 5 times table .
But why are they different colours?
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