Across
- 3. set the set of values that satisfy a given set of equations or inequalities
- 4. of a quantity able to assume different numerical values
- 6. angles those angles that sum up to 180 degrees
- 9. on a line An angle is formed when two lines intersect each other
- 13. angles each of the pairs of opposite angles made by two intersecting lines
- 16. sentence a combination of numbers and mathematical operations that children are often required to solve
- 17. angles two angles are adjacent if they have a common side and a common vertex
- 21. angles when their measures add to 90 degrees
- 23. at a point describes the sum of angles that can be arranged together so that they form a full turn
- 24. angles an angle of 180°
Down
- 1. symbols used to indicate that a particular collection of numbers and meaningful operations are to be grouped together and considered as one number
- 2. expression expressions that work the same even though they look different
- 5. Large marsupial
- 7. a mathematical statement that shows that two mathematical expressions are equal
- 8. a number or algebraic expression by which another is exactly divisible
- 10. a collection of symbols that jointly express a quantity
- 11. the relation between two expressions that are not equal
- 12. Has a tr
- 14. terms Terms whose variables (such as x or y) with any exponents (such as the 2 in x2) are the same
- 15. Flying mammal
- 18. each of the quantities in a ratio, series, or mathematical expression
- 19. Man's best friend
- 20. Likes to chase mice
- 22. pair a pair of adjacent angles formed when two lines intersect
