Across
- 3. I am the smallest perfect number. perfect number is defined as a positive integer that is equal to the sum of its divisors excluding the number itself)
- 4. an angle measures 30 degree. what type of angle it is?
- 7. angle is measured with this.
- 8. what is the area of the smallest square (in sq.cm) that can circumscribe a circle of radius 5cm
- 9. the perimeter of a square with area 9 sq. units is __
- 10. what is the missing numerator: ?/12 = 3/4
- 11. the numerator of the reciprocal of 3/7 is __?
- 14. 2 whole numbers can be added in any order. what is this property called?
- 15. 3 months is what fraction of a year?
Down
- 1. how many rational numbers exist between 1/2 and 1/3?
- 2. the sign of the product of 2 negative integers is __?
- 5. -2 is on the __ of -5 on the number line.
- 6. how many strips of length 3/2 cm can be cut from a paper of length 6cm?
- 10. 0.9 x 100 = __?
- 12. least common multiple of 24 & 36 is __
- 13. what fraction of an hour is 30 minutes?