Across
- 6. The amount left over after division.
- 7. A _ _ _ _ _ _ number is the result of multiplying a number by itself.
- 10. A positive integer with more than two factors.
- 11. The set of numbers including 0, 1, 2, 3, …
- 13. A number that can be written as a fraction.
- 15. A number that cannot be written as a fraction.
- 17. A natural number that can be divided exactly by 2.
- 18. The set of negative and positive natural numbers and zero.
- 19. The smallest common multiple of two or more numbers.
- 20. A number used for counting: 1, 2, 3, 4, …
- 21. The first positive integer.
- 22. The result of multiplying two or more numbers
Down
- 1. A number with exactly two factors: 1 and itself
- 2. The number that appears below the line in a fraction.
- 3. The number that appears above the line in a fraction.
- 4. A whole number greater than zero is called a _ _ _ _ _ _ _ _ integer.
- 5. The number that has no positive or negative value.
- 8. A square _ _ _ _ is a number multiplied by itself to produce a square number.
- 9. A number obtained by multiplying another number by an integer.
- 12. The greatest number that divides two or more numbers exactly.
- 14. A number that divides another number exactly
- 16. The set containing both rational and irrational numbers.
- 23. A natural number that cannot be divided exactly by 2.