Tuesday, April 10, 2012

Prime and Composite Chart

I learned about this from a fellow 6th grade teacher and LOVE it!!!


Steps: 1.  Write the numbers from 1-102 in rows of 6.
          2.  Put an X on 1 because it's not prime or composite.
          3.  Circle the number two, it is prime, draw a line down the column under 2 because those numbers are all multiples of 2.
          4.  Draw a line down the column that starts with 4 and 6 because they are even and multiples of 2.
          5.  Circle the number 3, it is prime, draw a line down the column under 3 because those numbers are all multiples of 3.
          6. Circle the number 5, it is prime, draw diagonal line to the left, then follow the pattern marking out multiples of 5.
          7.  Circle the number 7, it is prime, draw diagonal line to the right, then follow the pattern marking out multiples of 7.
          8. The rest of the numbers should be circled because they are PRIME!!!!

This is great for visual learners and those students who have a photographic memory .

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