Across
- 3. An ordinal number is a number that tells the position of something in a list.
- 5. Its symbol is Z-
- 7. Its symbol is Z+
- 11. …........................... include multiplier.
- 13. he was the first mathematician writing a book about Algebra and he used 0 for zero at the first time.
- 14. …................. is the symbol of subtrction.
Down
- 1. Determine the place value of 7 in 3752.
- 2. Numbers that can only be divided by itself and one are called.
- 3. Numbers that are not divisible by two are called.
- 4. Its symbol is the "=" sign.
- 5. {0,1,2,3,4,5,6,7,8,9,} are elements of the set of .....................
- 6. Numbers that are a multiple of two are called.
- 8. What is 54 in operation "36+18=54".
- 9. He founded Fibbonacci numbers.
- 10. fifty-six …................. by four the result is sixteen.
- 12. plus is the symbol of ....................