What I Know (Pre-Test) This is a pre-test to check whether you already have the knowledge about the topics. Directions: Read and analyze each item carefully. Write the letter of your answer on a piece of paper. 1. What is a ratio? A. It is a comparison of two quantities. B. It is a number over another number. C. It is a multiplication of two fractions. D. It has two decimals that can be multiplied. 2. A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow? A. 2 is to 5 C. 5 is to 3 D. 5 is to 2 3. There are 7 boys and 5 girls from the 6th grade marching band. What is the ratio of girls to boys? A. 13:7 D. 5:7 C. 7:5 B. 13:5 4. There are 14 boys and 8 girls in the school's Robotics Club. What is the ratio of girls to the total number of members in the club? A. 14:8 B. 22:8 D. 8:22 B. 3 is to 5 C. 8:14 5. Which represents the relationship of oranges to fruits? A. 2:6 D. 4:2 B. 2:4 C. 4:6 6. A company car was driven 90 km in 3 hours. How far will it be driven in 9 hours? A. 27 km B. 27 min C.270 km D. 270 min 7. Clark can walk 12 km in 3 hours. How far can he walk in 6 hours? A. 15 krn B. 18 km C. 24 km D. 36 km 8. One quantity increases as the other quantity constantly increases. What type of proportion is this? A. Direct B. Indirect C. Inverse D. Partitive proportion, the number is divided into equal parts proportional to 9. In a a given ratio? A. Direct B. Indirect C. Inverse D. Partitive 10. Which ratio is equal to 15:20? A. 5:10 B. 18:25 C. 21:28 D. 24:30​