Across
- 5. A term is a single mathematical expression
- 7. An angle is formed when two lines intersect each other
- 11. each of the pairs of opposite angles made by two intersecting lines
- 13. In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation or an algebraic expression
- 15. a statement that the values of two mathematical expressions are equal
- 16. either of two angles whose sum is 180°
- 17. In mathematics, a relationship between two expressions or values that are not equal to each other is called 'inequality.
- 18. A factor is a number that divides another number, leaving no remainder
Down
- 1. Equivalent expressions are expressions that work the same even though they look different
- 2. Grouping symbols are used to indicate that a particular collection of numbers and meaningful operations are to be grouped together and considered as one number
- 3. An expression in math is a sentence with a minimum of two numbers or variables and at least one math operation
- 4. A number sentence is a combination of numbers and mathematical operations that children are often required to solve.
- 6. the sum of angles that can be arranged together so that they form a full turn
- 8. the set of all the solutions of an equation or condition
- 9. In geometry, a straight angle is defined as an angle that is equal to 180 degrees
- 10. either of two angles whose sum is 90°
- 12. Like terms contain the same variable which is raised to the same power.
- 14. Linear pair of angles are formed when two lines intersect each other at a single point
- 19. The two angles are said to be adjacent angles when they share the common vertex and side