Math Crossword
Across
- 4. the combination of rational and irrational numbers in the number system.
- 6. the action or process of adding something to something else.
- 8. the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogues.
- 9. a plane figure with three straight sides and three angles.
Down
- 1. a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width.
- 2. a diagram consisting of rectangles whose area is proportional to the frequency of a variable and whose width is equal to the class interval.
- 3. a four-sided figure.
- 5. the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
- 7. the process or skill of taking one number or amount away from another.