Gray Morris: Calculate with Confidence, 7th Edition

Chapter 01: Roman Numerals Gray Morris: Calculate with Confidence, 7th Edition COMPLETION 1. Perform the indicated operation and record the result in lowercase Roman numerals. 7  2 = ANS: xiv PTS: 1 MSC: Practice Problems 2. Perform the indicated operation and record the result in lowercase Roman numerals. 29 – 1 = ANS: xxviii PTS: 1 MSC: Practice Problems 3. Perform the indicated operation and record the result in lowercase Roman numerals. 3  10 = ANS: xxx PTS: 1 MSC: Practice Problems 4. Perform the indicated operation and record the result in lowercase Roman numerals. 10 + 2 = ANS: xii PTS: 1 MSC: Practice Problems 5. Write the following Arabic number as a lowercase Roman numeral. 18 = ANS: xviii PTS: 1 MSC: Practice Problems 6. Write the following Arabic number as a lowercase Roman numeral. 21 = ANS: xxi PTS: 1 MSC: Practice Problems 7. Write the following Arabic number as a lowercase Roman numeral. = ANS: xiss PTS: 1 MSC: Practice Problems 8. Perform the indicated operation and record the result in lowercase Roman numerals. 6  3 = ANS: xviii PTS: 1 MSC: Practice Problems 9. Perform the indicated operation and record the result in lowercase Roman numerals. 30 – 6 = ANS: xxiv PTS: 1 MSC: Practice Problems 10. Perform the indicated operation and record the result in lowercase Roman numerals. 12 ÷ 2 = ANS: vi PTS: 1 MSC: Practice Problems 11. Perform the indicated operation and record the result in lowercase Roman numerals. 13 + 7 = ANS: xx PTS: 1 MSC: Practice Problems Chapter 02: Fractions Gray Morris: Calculate with Confidence, 7th Edition COMPLETION 1. Reduce the following fraction to lowest terms. 54/81 = ANS: 2/3 PTS: 1 MSC: Practice Problems 2. Reduce the following fraction to lowest terms. 105/135 = ANS: 7/9 PTS: 1 MSC: Practice Problems 3. Reduce the following fraction to lowest terms. 39/65 = ANS: 3/5 PTS: 1 MSC: Practice Problems 4. Change the following improper fraction to a whole or mixed number. 325/16 = ANS: 20 5/16 PTS: 1 MSC: Practice Problems 5. Change the following improper fraction to a whole or mixed number. 1,500/100 = ANS: 15 PTS: 1 MSC: Practice Problems 6. Change the following improper fraction to a whole or mixed number. 193/62 = ANS: 3 7/62 PTS: 1 MSC: Practice Problems 7. Change the following mixed number to an improper fraction. 12 1/8 = ANS: 97/8 PTS: 1 MSC: Practice Problems 8. Change the following mixed number to an improper fraction. 29 2/3 = ANS: 89/3 PTS: 1 MSC: Practice Problems 9. Perform the indicated operation and reduce to lowest terms. 1/12 + 6/12 + 5/12 = ANS: 1 PTS: 1 MSC: Practice Problems 10. Perform the indicated operation and reduce to lowest terms. 3/8 – 1/3 = ANS: 1/24 PTS: 1 MSC: Practice Problems 11. Perform the indicated operation and reduce to lowest terms. 4/5  5/16 = ANS: 1/4 PTS: 1 MSC: Practice Problems 12. Perform the indicated operation and reduce to lowest terms. 1/12  1/15 = ANS: 1/180 PTS: 1 MSC: Practice Problems 13. Perform the indicated operation and reduce to lowest terms. 3/5 ÷ 5 = ANS: 3/25 PTS: 1 MSC: Practice Problems 14. Perform the indicated operation and reduce to lowest terms. 1/100 ÷ 1/200 = ANS: 2 PTS: 1 MSC: Practice Problems 15. Indicate which fraction is the largest. 1/100, 1/150, 1/200: ANS: 1/100 PTS: 1 MSC: Practice Problems 16. Arrange the following fractions from smallest to largest. 1/6, 1/5, 1/8, 1/4, 1/3: ANS: 1/8, 1/6, 1/5, 1/4, 1/3 PTS: 1 MSC: Practice Problems 17. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 1/5 + 1/2 + 1/4 = ANS: 19/20 PTS: 1 MSC: Practice Problems 18. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 16 5/6 – 14 3/8 = ANS: 2 11/24 PTS: 1 MSC: Practice Problems 19. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 6 10/12  15/3 = ANS: 34 1/6 PTS: 1 MSC: Practice Problems 20. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 56 ÷ 9/20 = ANS: 124 4/9 PTS: 1 MSC: Practice Problems 21. Indicate the largest number in the following set. 5/6, 5/8: ANS: 5/6 PTS: 1 MSC: Practice Problems 22. Indicate the largest number in the following set. 1/30, 1/4, 1/150: ANS: 1/4 PTS: 1 MSC: Practice Problems 23. Reduce the following fraction to lowest terms. 34/102 = ANS: 1/3 PTS: 1 MSC: Practice Problem 24. Reduce the following fraction to lowest terms. 60/1200 = ANS: 1/20 PTS: 1 MSC: Practice Problems 25. Express the following improper fraction as a mixed number. Reduce to lowest terms. 24/18 = ANS: 1 1/3 PTS: 1 MSC: Practice Problems 26. Express the following improper fraction as a mixed number. Reduce to lowest terms. 15/13 = ANS: 1 2/13 PTS: 1 MSC: Practice Problems 27. Change the following mixed number to an improper fraction. 9 1/9 = ANS: 82/9 PTS: 1 MSC: Practice Problems 28. Change the following mixed number to an improper fraction. 6 7/10 = ANS: 67/10 PTS: 1 MSC: Practice Problems 29. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 6 5/16 + 5 3/16 = ANS: 11 1/2 PTS: 1 MSC: Practice Problems 30. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 4 3/10 + 2 2/10 = ANS: 6 1/2 PTS: 1 MSC: Practice Problems 31. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 3 1/5 + 3 2/3 + 2 1/2 = ANS: 12 11/30 PTS: 1 MSC: Practice Problems 32. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 1 2/4 + 3 1/3 = ANS: 4 5/6 PTS: 1 MSC: Practice Problems 33. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 15/21 – 10/21 = ANS: 5/21 PTS: 1 MSC: Practice Problems 34. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 8/16 – 1/4 = ANS: 1/4 PTS: 1 MSC: Practice Problems 35. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 14 – 5/9 = ANS: 13 4/9 PTS: 1 MSC: Practice Problems 36. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 6 1/4 – 2 5/8 = ANS: 3 5/8 PTS: 1 MSC: Practice Problems 37. Perform the indicated operation with fractions. Reduce to lowest terms as indicated. 5 1/3 – 1 7/12 = ANS: 3 3/4 PTS: 1 MSC: Practice Problems 38. A client received 2 1/2 ounces (oz) of medication at breakfast and 2 1/3 oz at lunch. How many oz of medication has the client received? ANS: 4 5/6 oz PTS: 1 MSC: Practice Problems 39. A client weighed 147 1/2 pounds (lb), lost 6 3/4 lb due to illness. How many pounds doesthe client now weigh? ANS: 140 3/4 lb PTS: 1 MSC: Practice Problems 40. A client drank 2/3 of a 12 ounce (oz) can ofseltzer water. How many ounces ofseltzer water did the client drink? ANS: 8 oz PTS: 1 MSC: Practice Problems 41. A client is supposed to drink a 10 ounce (oz) bottle of magnesium citrate before an X-ray study. The client was able to drink 4 oz. How much of the magnesium citrate remains? (Express answer as a fraction reduced to lowest terms.) ANS: 2/5 bottle PTS: 1 MSC: Practice Problems 42. The nurse is instructed to give a client 2/3 of a cup of solution. If 1 cup = 240 milliliters (mL), how many mL should the nurse administer? ANS: 160 mL PTS: 1 MSC: Practice Problems Chapter 03: Decimals Gray Morris: Calculate with Confidence, 7th Edition COMPLETION 1. Change the following to a decimal. Carry division three places asindicated. Do not round off. 1/64 = ANS: 0.015 PTS: 1 MSC: Practice Problems 2. Change the following to a decimal. Carry division three places asindicated. Do not round off. 5/18 = ANS: 0.277 PTS: 1 MSC: Practice Problems 3. Change the following decimal to a fraction. Reduce to lowest terms if indicated. 7.025 = ANS: 7 1/40 PTS: 1 MSC: Practice Problems 4. Change the following decimal to a fraction. Reduce to lowest terms if indicated. 0.0001 = ANS: 1/10,000 PTS: 1 MSC: Practice Problems 5. Identify the decimal with the largest value in the following set. 0.6, 0.128 = ANS: 0.6 PTS: 1 MSC: Practice Problems 6. Identify the decimal with the largest value in the following set. 0.7, 0.67, 0.86: ANS: 0.86 PTS: 1 MSC: Practice Problems 7. Round off the following decimal to the nearest tenth. 3.539 = ANS: 3.5 PTS: 1 MSC: Practice Problems 8. Round off the following decimal to the nearest thousandth. 0.6253 = ANS: 0.625 PTS: 1 MSC: Practice Problems 9. Perform the indicated operation with decimals. 64.1– 0.009 = ANS: 64.091 PTS: 1 MSC: Practice Problems 10. Perform the indicated operation with decimals. 0.123 + 0.4 = ANS: 0.523 PTS: 1 MSC: Practice Problems 11. Perform the indicated operation with decimals. 0.46  0.17 = ANS: 0.0782 PTS: 1 MSC: Practice Problems 12. Divide the following decimal. Express answer to nearest hundredth. 0.1 ÷ 0.375 = ANS: 0.27 PTS: 1 MSC: Practice Problems 13. Change the following to a decimal. 1.25% = ANS: 0.0125 PTS: 1 MSC: Practice Problems 14. Indicate the largest number in the following set. 0.75, 0.749: ANS: 0.75 PTS: 1 MSC: Practice Problems 15. Indicate the largest number in the following set. 0.001, 1.25, 1.09: ANS: 1.25 PTS: 1 MSC: Practice Problems 16. Perform the indicated operation with decimals. 0.98 + 0.76 = ANS: 1.74 PTS: 1 MSC: Practice Problems 17. Perform the indicated operation with decimals. 9.123 – 6.055 = ANS: 3.068 PTS: 1 MSC: Practice Problems 18. Perform the indicated operation with decimals. 60 ÷ 0.012 = ANS: 5,000 PTS: 1 MSC: Practice Problems 19. Perform the indicated operation with decimals. 66.66  3.33 = ANS: 221.9778 PTS: 1 MSC: Practice Problems 20. Change the following decimal to a fraction. Reduce to lowest terms if indicated. 0.010 = ANS: 1/100 PTS: 1 MSC: Practice Problems 21. Change the following decimal to a fraction. Reduce to lowest terms if indicated. 0.006 = ANS: 3/500 PTS: 1 MSC: Practice Problems 22. Round off the following decimal to the nearest tenth. 0.52 = ANS: 0.5 PTS: 1 MSC: Practice Problems 23. Round off the following decimal to the nearest hundredth. 2.457 = ANS: 2.46 PTS: 1 MSC: Practice Problems 24. Round off the following decimal to the nearest tenth. 28.66 = ANS: 28.7 PTS: 1 MSC: Practice Problems 25. Round off the following decimal to the nearest tenth. 1.45 = ANS: 1.5 PTS: 1 MSC: Practice Problems 26. Round off the following decimal to the nearest thousandth. 0.3333 = ANS: 0.333 PTS: 1 MSC: Practice Problems 27. A client weighed 75.4 kilograms (kg) in February. In March the client gained 1.6 kg. In April the client gained 2.2 kg. How much did the client weigh in April? ANS: 79.2 kg PTS: 1 MSC: Practice Problems 28. A client weighed 165.4 pounds (lb) before getting ill. After a lengthy recovery the client weighed 148.6 lb. How much weight did the client lose? ANS: 16.8 lb PTS: 1 MSC: Practice Problems 29. A medication vial holds 7 milliliters (mL) of medication. If 1.4 mL are withdrawn from the vial, how much medication is left in the vial? ANS: 5.6 mL PTS: 1 MSC: Practice Problems 30. A client is brought into the emergency department with a body temperature of 95.2 F. If the normal body temperature is 98.6 F, how far below normal was the client’s temperature? ANS: 3.4 F PTS: 1 MSC: Practice Problems 31. A client received 25.2 milligrams (mg) of medication in tablet form. Each tablet contained 4.2 mg of medication. How many tablets (tabs) were given to the client? ANS: 6 tabs PTS: 1 MSC: Practice Problems 32. A client received 0.375 mg of a medication for two days, 0.125 mg for three days, and 0.0625 mg for four days. What is the total amount of medication taken? ANS: 1.375 mg PTS: 1 MSC: Practice Problems 33. The health care provider ordered 1.5 tablets of a medication to be given to a client four times a day for 21 days. How many tablets were prescribed? ANS: 126 tablets PTS: 1 MSC: Practice Problems 34. One dose of vaccine is 1.25 mL. How much vaccine is needed to vaccinate 55 clients in a clinic? (Round answer to the nearest tenth.) ANS: 68.8 mL PTS: 1 MSC: Practice Problems 35. The health care provider has ordered a 2,200 calorie (cal) diet for a client. If the calories are spread evenly among three meals, how many calories will the client be allowed to have at each meal? (Round answer to the nearest whole calorie.) ANS: 733 cal PTS: 1 MSC: Practice Problems Chapter 04: Ratio and Proportion Gray Morris: Calculate with Confidence, 7th Edition COMPLETION 1. Solve for x in the following. 11:121 = 3:x x = ANS: 33 PTS: 1 MSC: Practice Problems 2. Solve for x in the following. 4/2.6 = 5/x x = ANS: 3.25 PTS: 1 MSC: Practice Problems 3. Solve for x in the following. 0.5/0.125 = x/4 x = ANS: 16 PTS: 1 MSC: Practice Problems 4. Solve for x in the following. 500:3 = 350:x x = ANS: 2.1 PTS: 1 MSC: Practice Problems 5. Express the following dosage as a ratio. A capsule contains 450 mg of medication; ANS: 1 cap/450 mg OR 450 mg/1 cap; 1 cap:450 mg PTS: 1 MSC: Practice Problems 6. Express the following dosage as a ratio. An injectable solution contains 500 mg in each 0.7 mL; ANS: 500 mg/0.7 mL OR 0.7 mL/500 mg; 500 mg:0.7 mL PTS: 1 MSC: Practice Problems