About BrainX
BrainX is an activity based math training program. We address the complete curriculum through a combination of ...
  1. colored worksheets
  2. math games and activities
  3. simple paper toys
All printed in color and delivered to your home in BrainX subscription

Numbers Worksheet - Eratosthenes clouds

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About this Numbers worksheet

Students discover a new and perfect way to find prime numbers. This was a method discovered by Greek mathematician Eratosthenes. We have integrated it with a fun activity

Math Skills
  • Identification of prime numbers
  • Composite numbers
  • Algorithm to find prime numbers
Life Skills
  • Flexibility - Creativity, Dexterity
  • Fluid intelligence - interpreting visual information
  • Problem solving - Mental Math
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What Parents say..

“Mayank has been always good in Maths. But he found the class exercises boring and dull. With BrainX,he enjoys the challenging puzzles and teasers.”

Jayant Bagla, Father of Mayank (Grade 4)
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