EQUATIONS

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Across
  1. 2. The English word Algebra derived from the Arab word __________ which means joining.
  2. 4. __________ was the famous book of Indian mathematician Bhaskaracharya.
  3. 6. Two operations on numbers give the same result, are generally called __________.
  4. 7. Algebra was introduced in __________.
Down
  1. 1. The word algorithm derived from the word __________.
  2. 3. To indicate an unknown number Mohammad Al-Khwarizmi used an Arab word meaning __________.
  3. 5. The sum of a number and one added to it is equal to one added to __________ the number.
  4. 8. Egyptians used to keep written records, they used to write on sheets made from flattened stems of plants called __________.