Across
- 1. a set of ordered pairs
- 4. the horizontal number line in a coordinate plane
- 6. of Numbers statements that are true for any numbers
- 8. expression An expression that contains only numbers and operations
- 9. of operations the order in which operations in an expression to be evaluated are carried out
- 10. a branch of mathematics dealing with symbols
- 11. A mathematical sentence that contains an equals sign.
- 12. A symbol used to represent a quantity
- 16. pair A pair of numbers that can be used to locate a point on a coordinate plane
- 18. a dot at the point that represents an ordered pair on the coordinate plane
- 19. Property The way in which numbers are grouped does not change their sum or product.
- 20. plane a plane in which a horizontal number line and a vertical number line intersect at their zero points
- 22. to find the numerical value of an expression
Down
- 2. A fixed point at which number lines intersect in the coordinate system.
- 3. the first number in an ordered pair
- 5. the second number in an ordered pair
- 7. the set of all x-coordinates from each ordered pair in a relation
- 13. expression An expression that contains numbers, operations, and one or more symbols.
- 14. to write an expression in a simpler form
- 15. Property The order in which numbers are added or multiplied does not change the sum or product.
- 17. The set of all y-coordinates from each ordered pair in a relation.
- 21. the vertical number line in a coordinate plane