# Maths

##### Across
1. 5. 6. All whole numbers, positive or negative, including zero
2. 9. The bottom of a shape or three-dimensional object, what an object rests on
3. 10. 2. A step by step procedure by which an operation can be carried out
4. 11. Line segments joined together to form a closed figure
5. 13. 1. A straight line with only one endpoint that extends infinitely
6. 14. 7. An equation that is true for variables of any value
7. 15. 5. A line is where two faces meet in a three-dimensional structure
8. 16. Two rays sharing the same endpoint (vertex)
9. 17. 4. Objects and figures that have the same size and shape
10. 18. 4. A segment joining two points on a circle
11. 19. 8. A letter used to represent a numerical value in equations and expressions
##### Down
1. 1. 5. A value that does not change
2. 2. 7. The measure of how heavy something is
3. 3. 6. a graph that uses bars that equal ranges of values
4. 4. 9. A ratio or fraction with the denominator 100
5. 6. 9. A line that crosses/intersects two or more lines
6. 7. 8. The total distance around the outside of a polygon
7. 8. 1. The branch of mathematics that substitutes letters for numbers to solve for unknown values
8. 12. 3. A polynomial equation with two terms usually joined by a plus or minus sign
9. 13. 10. The difference between the maximum and minimum in a set of data