1. VOCABULARY

2. For any numbers a, b, and c, if a = b then a + c = b + c Addition Property of Equality

3. VOCABULARY The ratio of two measurements having different units of measure Rate

4. VOCABULARY For any numbers a, b, and c, if a = b then a / c = b / c Division Property of Equality

5. VOCABULARY Choosing a variable to represent one of the unspecified numbers in a problem Defining a variable

6. VOCABULARY The 1 st and 4 th values of a proportion Extremes

7. VOCABULARY A comparison of two numbers by division Ratio

8. VOCABULARY An equation that states the rule for the relationship between certain quantities Formula

9. VOCABULARY An equation of the form a/b = c/d, stating that two ratios are equivalent. Proportion

10. VOCABULARY Equations that have the same solutions Equivalent Equation

11. VOCABULARY For any numbers a, b, and c, if a = b then ac = bc Multiplication Property of Equality

12. VOCABULARY The ratio of an amount of increase to the previous amount, expressed as a percent Percent of Increase

13. VOCABULARY A ratio or rate used when making a model that is too large or too small to be shown actual size. Scale

14. VOCABULARY Integers in counting order Consecutive Integers

15. VOCABULARY An increase or decrease expressed as a percent Percent of Change

16. VOCABULARY The 2 nd and 3 rd values of a proportion Means

17. VOCABULARY The study of numbers and the relationships between them. Number Theory

18. VOCABULARY For any numbers a, b, and c, if a = b then a – c = b – c Subtraction Property of Equality

19. VOCABULARY An equation that is true for every value of the variable Identity

20. VOCABULARY The ratio of an amount of decrease to the previous amount, expressed as a percent Percent of Decrease