Class 8 Puzzle SEA

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Across
  1. 5. Rational numbers are commutative under this operation
  2. 7. Reciprocal of number is itself
  3. 8. Solution of 5x-(2x-10)=19
  4. 9. rational numbers are not closed under this operation
  5. 10. Additiveidentity
Down
  1. 1. The property ax(b+c)=axb+axc is called______
  2. 2. negative of a negative rational number
  3. 3. number whose sum with it's reverse is 44.
  4. 4. Between any two rational numbers there are______ numbers.
  5. 6. The equation 2x+6=8 is______