Across
- 3. not consistent or having a fixed pattern; liable to change.
- 4. angles when they share the common vertex and side.
- 8. angles each of the pairs of opposite angles made by two intersecting lines.
- 9. at a point is a point describes the sum of angles that can be arranged together so that they form a full turn
- 10. the process of making known one's thoughts or feelings.
- 14. a word or phrase used to describe a thing or to express a concept, especially in a particular kind of language or branch of study.
- 15. difference in size, degree, circumstances, etc.; lack of equality.
- 16. sentence a number sentence is a mathematical sentence made up of numbers and symbols, as shown below
- 17. symbols Three common types of grouping symbols—parentheses ( ), brackets [ ], and braces { }—are used to group numbers or variables (letters)
Down
- 1. angles are either of two angles whose sum is 180°.
- 2. angles A straight stick has an angle which is straight or 180 degree.
- 5. the process of equating one thing with another.
- 6. angles either of two angles whose sum is 90 degree
- 7. a number that divides another number, leaving no remainder
- 9. on a line relate to the sum of angles that can be arranged together so that they form a straight line.
- 11. expression expressions that work the same even though they look different.
- 12. the set of values that satisfy a given set of equations or inequalities.
- 13. terms summands in a sum that differ only by a numerical factor.