I. Choose the letter of the correct answer. (1pt each)  

1. In a proportion, the product of the means equals to the product of the ___________.

A. ratio   B. terms   C. external    D. extremes

2. When two ratios are equivalent, we call it a ___________

A. ratio   B. proportion   C. ratio and proportion   D. Fraction

3. Ratio can be written in colon and in ________ form.

A. decimal   B. fraction   C. percent    D. and

4. What do we call when the other quantity increases, the other quantities increases as well?

A. proportion  B. equivalent ratios  C. direct proportion   D. indirect proportion

5. It is an equation that says that two or more ratios are equal.

A. means   B. equivalent ratios  C. direct proportion   D. indirect proportion

6. Which of the following ratios is equivalent to 4:12?

A. 1:2   B. 1:3    C. 1:4     D. 1:5  

7. Which of the following shows a set of equivalent ratios?

A. 1:4 = 1:2   B. 1:3= 2:4   C. 3:4 = 4:8    D. 5:10 = 1:2

8. Which of the following ratios is equivalent to 5:8?

A. 15:24   B. 10:24   C. 15:16   D. 30:40  

9. Which of the following ratio is not equivalent to 9:15?

A. 18:30  B. 27:45  C. 36:45   D. 36:60

10. Identify the next term in 24, 46, 68, N, 1012. What is N?



A. 79   B. 810   C. 911    D. 1011














II. Write D if the two ratios are direct proportion and ID if it is indirect proportion. (1pt each)

11.)  4:2 = 8:4

12.) 30:10 = 15:5

13.) 10:8 = 20:4

14.) 12:16 = 24:8

15.) 14:15 = 28:30


III. Simplify the ratios. Choose the letter that corresponds to their simplest form to reveal the mystery word. (1pt each)


___ ___ ___ ___ ___ ___ ___

 20  22  17  21  16  19  18


16.) 2442   17.) 936    18.) 1035    19.) 1836    20.) 2436    21.) 763    22.) 3050







IV. Solve the value of N. (1pt each)

23.) 2:3 = 6:N

24.) 21:N = 7:9

25.) 64 = 68

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