1. What are the prime factors of 400? A. 2, 4, 5 B. 4, 10, 10 C. 2, 200 D. 2, 5 Hint 2. Write a percent to represent the shaded area. A. 100% B. 64% C. 4% D. 16% Hint 3. Express in simplest form. A. B. C. D. Hint 4. Express 56% as a decimal. A. 0.0056 B. 0.056 C. 0.56 D. 5.6 Hint 5. Write as a decimal. A. 0.805 B. 8.5 C. 0.85 D. 0.085 Hint 6. Express as a decimal. A. 0.54444… B. 7.25 C. 5.4444… D. 54.4444… Hint 7. What is the greatest common factor of 39 and 18? A. 6 B. 9 C. 3 D. 13 Hint 8. What is the greatest common factor of 20x2 and 32x3? A. 4x B. 8x3 C. 4x2 D. 8x Hint 9. Express in simplest form. A. B. C. D. Hint 10. Find the least common multiple of 6, 8, and 10. A. 120 B. 86 C. 140 D. 240 Hint 11. Rachel and Diego both jog regularly. Rachel jogs every other day, and Diego jogs every third day. They both jogged today. How many days will it be before they both jog on the same day again? A. 2 B. 6 C. 3 D. 12 Hint 12. Which symbol makes the sentence true? ______ A. B. < C. > D. = Hint 13. Which symbol makes the sentence true? ______ A. B. < C. = D. > Hint 14. Factor 18ab2. A. 2 · 3 · 3 · a · b B. 22 · 3 · a · b · b C. 2 · 3 · a · b · b D. 2 · 3 · 3 · a · b · b Hint 15. Write 9 as a decimal. A. 9.83 B. C. D. Hint 16. About 1 in every 25 people in Honolulu, Hawaii speak Chinese at home. What percent of people is this? A. 8% B. 25% C. 4% D. 5% Hint