Maths

2. 7. The measure of how heavy something is
4. 5. A value that does not change
7. 4. A segment joining two points on a circle
9. Two rays sharing the same endpoint (vertex)
11. 9. A line that crosses/intersects two or more lines
12. 4. Objects and figures that have the same size and shape
13. 2. A step by step procedure by which an operation can be carried out
16. The bottom of a shape or three-dimensional object, what an object rests on
17. 7. An equation that is true for variables of any value
18. 10. The difference between the maximum and minimum in a set of data
19. 1. A straight line with only one endpoint that extends infinitely

1. 3. A polynomial equation with two terms usually joined by a plus or minus sign
3. 6. All whole numbers, positive or negative, including zero
5. Line segments joined together to form a closed figure
6. 9. A ratio or fraction with the denominator 100
8. 6. a graph that uses bars that equal ranges of values
10. 5. A line is where two faces meet in a three-dimensional structure
13. 1. The branch of mathematics that substitutes letters for numbers to solve for unknown values
14. 8. The total distance around the outside of a polygon
15. 8. A letter used to represent a numerical value in equations and expressions