Day 1 Quiz: Select the best answer. 1. Simplify: 22 8 32 12 8 Answer: D a. 2 2. Compute: a. 5 13 3. Divide: a. 15 68 4. Simplify: a. 1 13 35 b. 54 4 1 Answer: D 5 8 1 b. 10 c. 28 c. 5 40 5 3 Answer: 10/3 = 3 1/3 B 7 14 1 3 b. 3 c. 3 10 4 5 4 4 Answer: 4/5 – 4/9 – 4/5 B 5 9 5 5 4 8 b. c. 9 27 d. 66 d. 37 40 d. 1 3 7 d. 0 5. What is the average of 11, 8, 4, 6, 7, 3, and 5? Answer: add all and divide by 7 C d. 6.5 6 3 2 a. 4 b. 5 c. 6 7 4 7 6. Simplify: 42 6 3 4 Answer: D do division first b. 36 c. 7 a. 12 7. Simplify: a. 1 4 32 23 Answer: B 13 5 1 b. 8 c. 3 8 d. 40 d. 1 4 e. 45 e. 28 40 e. 2 e. 1 1 7 16 45 e. 7 2 3 e. 48 e. 0 8. The largest prime factor of 80 is Answer: Factors are 1, 80 & 2, 40 & 4, 20 & 4, 20 & 5, 16 & 8, 10. The largest prime is 5 C a. 2 b. 3 c. 5 d. 8 e. 11 9. What is the least common multiple of 6, 8, and 18? Answer: 72 it’s the first number all 3 divide into. a. 12 b. 18 c. 24 d. 72 e. 144 10. What is the average of 8, 12, 13, 11, and 18? Answer: none of these, it should be 12 ¼ a. 6 b. 18 c. 16 d. 12 ½ e. 13 1/3 11. What is the meaning of 53 Answer: D b. 15 a. 3 3 3 3 3 c. 3 5 d. 5 5 5 e. 3/5 12. Multiply 1.8 8.5 Answer: E or 1.53x10^1 a. 1.43 b. 153 c. 0.153 d. 1.53 e. 15.3 13. Five pieces of wire are cut from a length of wire that is 50 feet long. One of the pieces is 12 2/3 feet long. Two of the pieces are 5 ¼ feet long each. Two of the pieces are 6 ½ feet long each. How many feet of wire are left from the original length? Answer: subtract all from 50, C a. 36 1/6 b. 35 3/5 c. 13 5/6 d. 14 2/5 e. 14 14. Jill is making bookmarks for a fund-raising sale. Each bookmark costs $1.00 to make. If she sells the bookmarks for $1.50 each, how many will she have to sell to make a profit of exactly $20.00? Answer: 1.50 – 1.00 = 0.5, divide $20 by 0.5 = E a. 10 b. 15 c. 20 d. 25 e. 40 15. How many yards of material remain from a 30-yard length after two pieces, each 2 ½ yards long, and four pieces, each 3 ¼ yards long, are removed? Answer: subtract all from 30: B a. 5 ¾ b. 12 c. 12 ¼ d. 24 e. 18 yards yards yards yards yards 16. Ben is making wooden toys for an arts and crafts sale. Each toy costs Ben $1.80 to make. If he sells the toys for $3.00 each, how many will he have to sell to make a profit of $36.00 Answer: $3 – 1.80 = 1.20, divide $36 by 1.20 = D a. $1.20 b. 12 c. 20 d. 30 e. 40 17. Four adult tickets to a show cost $8.00 each. Six child tickets cost $5.00 each. What was the average cost of the tickets? Answer: 32 + 30 = 62, divide by 10 = E a. $6.50 b. $62.00 c. $31.00 d. $7.00 e. $6.20 18. Four specific and complete lengths of fabric are needed for a project: 2.6 yards, 3 ½ yards, 5 ¼ yards, 4.1 yards If the fabric comes in only 8 yd. lengths, how many of the 8 yd. lengths should be purchased? Answer: match the 5 ¼ with the 2.6 this is less than 8 … so 1 so far. Next match the 3 ½ with the 4.1, this is less than 8 … so 1 more. = E a. 18.45 b. 24 c. 4 d. 17 e. 2 5 2 2 3 4 19. Simplify: 2 2 3 Answer: 32 – 9 – 4 on top, 49 – 25 – 1 on bottom = B 7 5 1 a. 5 e. 3 3 19 9 b. c. d. 14 23 21 20. Simplify, write your answer in scientific notation: 6.4 108 8.1106 Answer: 51.84 102 0.5184 5.184 101 , E a. 51.84 b. 51.84 10 c. 5.184 103 d. 5.184 102 e. 5.184 101
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