## Math

##### Across
1. 1. The study of the measurement, properties, and relationships of quantities and sets.
2. 6. is a number we do not know.
3. 7. Sum of numbers.
4. 8. An instrument for measuring angles
5. 9. A point or dot used to separate the whole number.
6. 10. a number shows you how many times the number is to be used in a multiplication.
7. 11. A reference line drawn on a graph
8. 12. An exact location.
9. 13. When two or more fractions have the same denominator.
10. 16. To draw straight lines or measure distances.
11. 17. the longest side of a triangle
12. 19. is a number which multiplied by itself, gives you the original number.
13. 20. Is the study of 'Rates of Change'.
14. 22. act of solving
15. 23. A ruler with a sliding central strip, marked with logarithmic scales.
16. 24. a figure that has three sides.
17. 25. Is a flat surface with no thickness
##### Down
1. 2. The part of mathematics in which letters and other general symbols are used.
2. 3. A 3-dimensional object shaped like a ball.
3. 4. A long thin mark made by a pen.
4. 5. A triangle with three equal sides.
5. 7. The distance a number is from zero.
6. 12. to draw out or lengthen.
7. 13. Something used for making mathematical calculations,
8. 14. A line that just touches a curve at one point, without cutting across it.
9. 15. typically a corner or a point where lines meet.
10. 18. Are numbers you can multiply together to get another number.
11. 21. Is the product of any quantity and an integer.
12. 23. a position to the left or right of an object.