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.
72=
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.
63=
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 wthe wfollowing wmixed wnumber wto wan wimproper
wfraction. w29 w2/3 w= w
ANS: w 89/3
PTS: w w1 MSC: w Practice wProblems
9. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w1/12 w+ w6/12 w+ w5/12 w= w
ANS: w 1
PTS: w w1 MSC: w Practice wProblems
10. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w3/8 w– w1/3 w= w
ANS: w 1/24
PTS: w w1 MSC: w Practice wProblems
11. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w4/5 w w5/16 w= w
ANS: w 1/4
PTS: w w1 MSC: w Practice wProblems
12. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w1/12 w w1/15 w= w
ANS: w 1/180
PTS: w w1 MSC: w Practice wProblems
13. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w3/5 w÷ w5 w=
ANS: w 3/25
PTS: w w1 MSC: w Practice wProblems
14. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w1/100 w÷ w1/200 w=
ANS: w 2
, PTS: w w1 MSC: w Practice wProblems
15. Indicate wwhich wfraction wis wthe
wlargest. w1/100, w1/150, w1/200: w
ANS: w 1/100
PTS: w w1 MSC: w Practice wProblems
16. Arrange wthe wfollowing w fractions w from wsmallest w to
wlargest. w1/6, w1/5, w1/8, w1/4, w1/3: w
ANS: w1/8, w1/6, w 1/5, w1/4, w 1/3
PTS: w w1 MSC: w Practice wProblems
17. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w1/5 w+ w1/2 w+ w1/4 w= w
ANS: w 19/20
PTS: w w1 MSC: w Practice wProblems
18. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w16 w5/6 w– w14 w3/8 w= w
ANS: w 2 w11/24
PTS: w w1 MSC: w Practice wProblems
19. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w6 w10/12 w w15/3 w= w
ANS: w 34 w1/6
PTS: w w1 MSC: w Practice wProblems
20. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w56 w÷ w9/20 w= w
ANS: w 124 w4/9
PTS: w w1 MSC: w Practice wProblems
21. Indicate wthe wlargest wnumber win wthe
wfollowing wset. w5/6, w5/8: w
ANS: w 5/6
PTS: w w1 MSC: w Practice wProblems
,22. Indicate wthe wlargest wnumber win wthe
wfollowing wset. w1/30, w1/4, w1/150: w
ANS: w 1/4
PTS: w w1 MSC: w Practice wProblems
23. Reduce wthe wfollowing wfraction wto wlowest
wterms. w34/102 w= w
ANS: w 1/3
PTS: w w1 MSC: w Practice wProblem
24. Reduce wthe wfollowing wfraction wto wlowest
wterms. w60/1200 w= w
ANS: w 1/20
PTS: w w1 MSC: w Practice wProblems
25. Express wthe wfollowing wimproper wfraction was wa wmixed wnumber. wReduce wto
wlowest wterms. w24/18 w= w
ANS: w 1 w1/3
PTS: w w1 MSC: w Practice wProblems
26. Express wthe wfollowing wimproper wfraction was wa wmixed wnumber. wReduce wto
wlowest wterms. w15/13 w= w
ANS: w 1 w2/13
PTS: w w1 MSC: w Practice wProblems
27. Change wthe wfollowing wmixed wnumber w to wan wimproper
w fraction. w9 w1/9 w= w
ANS: w 82/9
PTS: w w1 MSC: w Practice wProblems
28. Change wthe wfollowing wmixed wnumber w to wan wimproper
w fraction. w6 w7/10 w= w
ANS: w 67/10
PTS: w w1 MSC: w Practice wProblems
29. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w6 w5/16 w+ w5 w3/16 w= w
, ANS: w 11 w1/2
PTS: w w1 MSC: w Practice wProblems
30. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w4 w3/10 w+ w2 w2/10 w= w
ANS: w 6 w1/2
PTS: w w1 MSC: w Practice wProblems
31. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w3 w1/5 w+ w3 w2/3 w+ w2 w1/2 w=
ANS: w 12 w11/30
PTS: w w1 MSC: w Practice wProblems
32. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w1 w2/4 w+ w3 w1/3 w=
ANS: w 4 w5/6
PTS: w w1 MSC: w Practice wProblems
33. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w15/21 w– w10/21 w=
ANS: w 5/21
PTS: w w1 MSC: w Practice wProblems
34. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w8/16 w– w1/4 w=
ANS: w 1/4
PTS: w w1 MSC: w Practice wProblems
35. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w14 w– w5/9 w=
ANS: w 13 w4/9
PTS: w w1 MSC: w Practice wProblems
36. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w6 w1/4 w– w2 w5/8 w= w
ANS: w 3 w5/8
, PTS: w w1 MSC: w Practice wProblems
37. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w5 w1/3 w– w1 w7/12 w= w
ANS: w 3 w3/4
PTS: w w1 MSC: w Practice wProblems
38. A wclient wreceived w2 w1/2 wounces w(oz) wof wmedication wat wbreakfast wand w2 w1/3 woz wat
wlunch. wHow wmany w oz wof wmedication w has wthe wclient w received?
ANS: w 4 w5/6 woz
PTS: w w1 MSC: w Practice wProblems
39. A wclient wweighed w 147 w1/2 wpounds w(lb), wlost w6 w3/4 wlb wdue wto willness. wHow wmany
wpounds w does wthe wclient w now wweigh?
ANS: w140 w3/4 wlb
PTS: w w1 MSC: w Practice wProblems
40. A wclient wdrank w2/3 wof wa w12 wounce w (oz) wcan wof wseltzer w water. wHow wmany w ounces w of
wseltzer w water wdid wthe wclient w drink?
ANS: w 8 woz
PTS: w w1 MSC: w Practice wProblems
41. A wclient wis wsupposed wto wdrink wa w10 wounce w(oz) wbottle wof wmagnesium w citrate
w before wan wX-ray wstudy. wThe wclient wwas wable wto wdrink w4 woz. wHow wmuch wof wthe
wmagnesium wcitrate wremains? w(Express wanswer was wa wfraction w reduced wto wlowest
wterms.)
ANS: w 2/5 wbottle
PTS: w w1 MSC: w Practice wProblems
42. The wnurse wis winstructed wto wgive w a wclient w2/3 wof wa wcup wof wsolution. wIf w1 wcup w= w240
wmilliliters w(mL), whow wmany wmL wshould w the wnurse wadminister?
ANS: w160 wmL
PTS: w w1 MSC: w Practice wProblems
, Chapter w 03: wDecimals
Gray w Morris: w Calculate w with wConfidence, w 7th w Edition
COMPLETION
1. Change wthe wfollowing w to wa wdecimal. wCarry wdivision w three wplaces was windicated. wDo
wnot wround woff. w1/64 w= w
ANS: w 0.015
PTS: w w1 MSC: w Practice wProblems
2. Change wthe wfollowing w to wa wdecimal. wCarry wdivision w three wplaces was windicated. wDo
wnot wround woff. w5/18 w=
ANS: w 0.277
PTS: w w1 MSC: w Practice wProblems
3. Change wthe wfollowing w decimal w to wa wfraction. wReduce wto wlowest w terms w if windicated.
7.025 w=
ANS: w 7 w1/40
PTS: w w1 MSC: w Practice wProblems
4. Change wthe wfollowing w decimal w to wa wfraction. wReduce wto wlowest w terms w if windicated.
0.0001 w=
ANS: w 1/10,000
PTS: w w1 MSC: w Practice wProblems
5. Identify w the wdecimal w with wthe wlargest w value win wthe wfollowing w set.
0.6, w0.128 w=
ANS: w 0.6
PTS: w w1 MSC: w Practice wProblems
6. Identify w the wdecimal w with wthe wlargest w value win wthe wfollowing w set.
0.7, w0.67, w0.86: w
ANS: w 0.86
PTS: w w1 MSC: w Practice wProblems
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.
72=
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.
63=
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 wthe wfollowing wmixed wnumber wto wan wimproper
wfraction. w29 w2/3 w= w
ANS: w 89/3
PTS: w w1 MSC: w Practice wProblems
9. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w1/12 w+ w6/12 w+ w5/12 w= w
ANS: w 1
PTS: w w1 MSC: w Practice wProblems
10. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w3/8 w– w1/3 w= w
ANS: w 1/24
PTS: w w1 MSC: w Practice wProblems
11. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w4/5 w w5/16 w= w
ANS: w 1/4
PTS: w w1 MSC: w Practice wProblems
12. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w1/12 w w1/15 w= w
ANS: w 1/180
PTS: w w1 MSC: w Practice wProblems
13. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w3/5 w÷ w5 w=
ANS: w 3/25
PTS: w w1 MSC: w Practice wProblems
14. Perform wthe windicated woperation wand wreduce wto wlowest
wterms. w1/100 w÷ w1/200 w=
ANS: w 2
, PTS: w w1 MSC: w Practice wProblems
15. Indicate wwhich wfraction wis wthe
wlargest. w1/100, w1/150, w1/200: w
ANS: w 1/100
PTS: w w1 MSC: w Practice wProblems
16. Arrange wthe wfollowing w fractions w from wsmallest w to
wlargest. w1/6, w1/5, w1/8, w1/4, w1/3: w
ANS: w1/8, w1/6, w 1/5, w1/4, w 1/3
PTS: w w1 MSC: w Practice wProblems
17. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w1/5 w+ w1/2 w+ w1/4 w= w
ANS: w 19/20
PTS: w w1 MSC: w Practice wProblems
18. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w16 w5/6 w– w14 w3/8 w= w
ANS: w 2 w11/24
PTS: w w1 MSC: w Practice wProblems
19. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w6 w10/12 w w15/3 w= w
ANS: w 34 w1/6
PTS: w w1 MSC: w Practice wProblems
20. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w56 w÷ w9/20 w= w
ANS: w 124 w4/9
PTS: w w1 MSC: w Practice wProblems
21. Indicate wthe wlargest wnumber win wthe
wfollowing wset. w5/6, w5/8: w
ANS: w 5/6
PTS: w w1 MSC: w Practice wProblems
,22. Indicate wthe wlargest wnumber win wthe
wfollowing wset. w1/30, w1/4, w1/150: w
ANS: w 1/4
PTS: w w1 MSC: w Practice wProblems
23. Reduce wthe wfollowing wfraction wto wlowest
wterms. w34/102 w= w
ANS: w 1/3
PTS: w w1 MSC: w Practice wProblem
24. Reduce wthe wfollowing wfraction wto wlowest
wterms. w60/1200 w= w
ANS: w 1/20
PTS: w w1 MSC: w Practice wProblems
25. Express wthe wfollowing wimproper wfraction was wa wmixed wnumber. wReduce wto
wlowest wterms. w24/18 w= w
ANS: w 1 w1/3
PTS: w w1 MSC: w Practice wProblems
26. Express wthe wfollowing wimproper wfraction was wa wmixed wnumber. wReduce wto
wlowest wterms. w15/13 w= w
ANS: w 1 w2/13
PTS: w w1 MSC: w Practice wProblems
27. Change wthe wfollowing wmixed wnumber w to wan wimproper
w fraction. w9 w1/9 w= w
ANS: w 82/9
PTS: w w1 MSC: w Practice wProblems
28. Change wthe wfollowing wmixed wnumber w to wan wimproper
w fraction. w6 w7/10 w= w
ANS: w 67/10
PTS: w w1 MSC: w Practice wProblems
29. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w6 w5/16 w+ w5 w3/16 w= w
, ANS: w 11 w1/2
PTS: w w1 MSC: w Practice wProblems
30. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w4 w3/10 w+ w2 w2/10 w= w
ANS: w 6 w1/2
PTS: w w1 MSC: w Practice wProblems
31. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w3 w1/5 w+ w3 w2/3 w+ w2 w1/2 w=
ANS: w 12 w11/30
PTS: w w1 MSC: w Practice wProblems
32. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w1 w2/4 w+ w3 w1/3 w=
ANS: w 4 w5/6
PTS: w w1 MSC: w Practice wProblems
33. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w15/21 w– w10/21 w=
ANS: w 5/21
PTS: w w1 MSC: w Practice wProblems
34. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w8/16 w– w1/4 w=
ANS: w 1/4
PTS: w w1 MSC: w Practice wProblems
35. Perform wthe windicated woperation wwith wfractions. wReduce wto wlowest wterms was
windicated. w14 w– w5/9 w=
ANS: w 13 w4/9
PTS: w w1 MSC: w Practice wProblems
36. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w6 w1/4 w– w2 w5/8 w= w
ANS: w 3 w5/8
, PTS: w w1 MSC: w Practice wProblems
37. Perform wthe windicated woperation wwith wfractions. w Reduce wto wlowest w terms was
windicated. w5 w1/3 w– w1 w7/12 w= w
ANS: w 3 w3/4
PTS: w w1 MSC: w Practice wProblems
38. A wclient wreceived w2 w1/2 wounces w(oz) wof wmedication wat wbreakfast wand w2 w1/3 woz wat
wlunch. wHow wmany w oz wof wmedication w has wthe wclient w received?
ANS: w 4 w5/6 woz
PTS: w w1 MSC: w Practice wProblems
39. A wclient wweighed w 147 w1/2 wpounds w(lb), wlost w6 w3/4 wlb wdue wto willness. wHow wmany
wpounds w does wthe wclient w now wweigh?
ANS: w140 w3/4 wlb
PTS: w w1 MSC: w Practice wProblems
40. A wclient wdrank w2/3 wof wa w12 wounce w (oz) wcan wof wseltzer w water. wHow wmany w ounces w of
wseltzer w water wdid wthe wclient w drink?
ANS: w 8 woz
PTS: w w1 MSC: w Practice wProblems
41. A wclient wis wsupposed wto wdrink wa w10 wounce w(oz) wbottle wof wmagnesium w citrate
w before wan wX-ray wstudy. wThe wclient wwas wable wto wdrink w4 woz. wHow wmuch wof wthe
wmagnesium wcitrate wremains? w(Express wanswer was wa wfraction w reduced wto wlowest
wterms.)
ANS: w 2/5 wbottle
PTS: w w1 MSC: w Practice wProblems
42. The wnurse wis winstructed wto wgive w a wclient w2/3 wof wa wcup wof wsolution. wIf w1 wcup w= w240
wmilliliters w(mL), whow wmany wmL wshould w the wnurse wadminister?
ANS: w160 wmL
PTS: w w1 MSC: w Practice wProblems
, Chapter w 03: wDecimals
Gray w Morris: w Calculate w with wConfidence, w 7th w Edition
COMPLETION
1. Change wthe wfollowing w to wa wdecimal. wCarry wdivision w three wplaces was windicated. wDo
wnot wround woff. w1/64 w= w
ANS: w 0.015
PTS: w w1 MSC: w Practice wProblems
2. Change wthe wfollowing w to wa wdecimal. wCarry wdivision w three wplaces was windicated. wDo
wnot wround woff. w5/18 w=
ANS: w 0.277
PTS: w w1 MSC: w Practice wProblems
3. Change wthe wfollowing w decimal w to wa wfraction. wReduce wto wlowest w terms w if windicated.
7.025 w=
ANS: w 7 w1/40
PTS: w w1 MSC: w Practice wProblems
4. Change wthe wfollowing w decimal w to wa wfraction. wReduce wto wlowest w terms w if windicated.
0.0001 w=
ANS: w 1/10,000
PTS: w w1 MSC: w Practice wProblems
5. Identify w the wdecimal w with wthe wlargest w value win wthe wfollowing w set.
0.6, w0.128 w=
ANS: w 0.6
PTS: w w1 MSC: w Practice wProblems
6. Identify w the wdecimal w with wthe wlargest w value win wthe wfollowing w set.
0.7, w0.67, w0.86: w
ANS: w 0.86
PTS: w w1 MSC: w Practice wProblems
