Prime Numbers Under 20

PRIME NUMBERS UNDER 20
  • There are eight Prime Numbers Under 20
  • Many people are unsure whether they have listed them all so it can help to draw the grid out and put them all into it – 4 under 10 then 4 more between 10 and 20
  • One is not a prime
  • Two IS a prime
screen-shot-2016-12-16-at-11-17-27
Click Image to See a pdf with 2 different versions of this image for printing

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