vocabulary for first unit in algebra 1

2. Term – A number, variable or product of a number and variable.

3. Variable – A letter used to stand for one or more numbers.

4. Variable Expression – A mathematical phrase that contains at least one variable.

5. Base – x n . x represents this.

6. Mode – The number that occurs most frequently in a set of data.

7. Evaluate – Substitute a number for a variable and solve.

8. Experimental Probability – The ratio of the number of times an event actually happened to the number of times the experiment was done.

9. Exponent - x n . n represents this.

10. Order of Operations – The order in which you appropriate evaluate math problems.

11. Absolute Value – The distance a number is from 0.

12. Integers – Whole numbers and their opposites.

13. Mean – The sum of the data divided by the total number of data items.

14. Entry – Each item in a matrix.

15. Opposite – Numbers that are the same distance from 0 on the number line.

16. Rational Numbers – A number that can be written as the ratio of two numbers. In decimal form, it is either terminating or repeating.

17. Real Numbers – The set of numbers made up of rational and irrational numbers.

18. Reciprocal – Multiplicative inverse.

19. Event – Any group of outcomes.

20. Matrix – Rectangular arrangement of numbers.

21. Median – Middle value in an ordered set of numbers.

23. A number, variable or product of a number and variable.

24. A letter used to stand for one or more numbers.

25. A mathematical phrase that contains at least one variable.

26. x n . x represents this.

27. The number that occurs most frequently in a set of data.

28. Substitute a number for a variable and solve.

29. The ratio of the number of times an event actually happened to the number of times the experiment was done.

30. x n . n represents this.

31. The order in which you appropriate evaluate math problems.

32. The distance a number is from 0.

33. Whole numbers and their opposites.

34. The sum of the data divided by the total number of data items.

35. Each item in a matrix.

36. Numbers that are the same distance from 0 on the number line.

37. Rational Numbers – A number that can be written as the ratio of two numbers. In decimal form, it is either terminating or repeating.

38. The set of numbers made up of rational and irrational numbers.

39. Multiplicative inverse.

40. Any group of outcomes.

41. Rectangular arrangement of numbers.

42. Middle value in an ordered set of numbers.

43. A number that cannot be written as a ratio of two integers. As a decimal it is non-terminating and non-repeating.