Nursing Math Basics Review - Emily Griffith Math Basics Review LPN Math Basics Review v-1 Every metric measure has a standard abbreviation. NOTE: There are upper and lowercase letters

Nursing Math Basics Review

LPN Math Basics Review v-1

Every metric measure has a standard abbreviation. NOTE: There are upper and lowercase letters in

metric abbreviations. Abbreviations are incorrect when the case is incorrect, e.g. mL not ml.

This table lists ten metric prefixes. The most common prefixes in

nursing are marked: .

Metric Measurements

Remember

Metric Conversions

Converting from one unit to another:

Other Measurements

Household Abbreviations and Apothecary Measures

Milliequivalent

A milliequivalent (mEq) is an expression of the number of grams of a drug contained in

one (1) milliliter (mL) of normal solution.

A milliequivalent dosage is written using Arabic numerals, with a space between the

abbreviations that follow for example: 30 mEq.

Percentage

Percentage (%) means parts per hundred. Percentages are written with no space between

the quantity and symbol: 30% not 30 %.

Percentage is used extensively in intravenous solutions. The greater the solution’s

percentage, the stronger the solution is.

International Units

A unit measures a drug in terms of its action, rather than its physical weight. There is no

abbreviation for unit; it is written in lower case with a space between the numerals and the

measurement, e.g. 30 units.

Adding Fractions

Find help at: http://www.coolmath.com/prealgebra/01-p2-fractions

Select:

Adding fractions with the same denominator

Adding fractions with different denominators

EGTC NURSING MATH PRACTICE

LPN practice v-1.doc

1 Choose number with greatest value: a. 12.89 b. 12.98 c. 12.09

19 How many times does 0.25 go into 12.5? a. 5.0 b. 50 c. 0.5

2 Choose number with greatest value: a. 0.4 b. 0.04 c. 0.44

20 Choose number with the greatest value: a. 1.77 b. 17.07 c. 17.7

3 Choose number with greatest value: a. 1.32 b. 13.2 c. 0.132

21 1 kg = ____ g a. 0.001 b. 1,000 c. 10

4 Choose number with the greatest value: a. 6.7 b. 6.69 c. 6.07

22 4.2 kg = ____ g a. 4,200 b. 4.200 c. 42,000

5 Write eighty-four micrograms: a. 8.4 mcg b. 0.84 mg c. 84 mcg

23 Write ninety-four percent: a. 94 % b. 9.4% c. 94%

6 How many times does 3.75 go into 7.5? a. 1 b. 2 c. 5

24 How many times does 6 go into 12? a. 3 b. 2 c. 1

7 Write three-fourths a milligram: a. 3.4 mg b. 0.75 mg c. 0.3 mg

25 Write forty-eight percent: a. 0.48% b. 48% c. 480%

8 1

5= a. 5% b. 15% c. 20%

26 7

5 ×

9

4 = a. 3.15 b. 3.2 c. 320

9 Write thirty-seven units: a. 37 U b. 37 u c. 37 units

27 3.2 mg = ___ mcg

a. 0.0032 b. 3,200 c. 320

10 Write two hundred seventy-one units:

a. 200.71 units b. 271U c. 271 units

28 Write: seventeen percent a. 0.17% b. 17% c. 17.0%

11 0.875 g = ___mg a. 0.88 b. 875 c. 8.75

29 0.8 − 0.41 = a. 33 b. 0.33 c. 0.39

12 Turn the ratio into whole numbers:

0.8

0.02

a. 40 b. 8

20 c. 80

2

30 Eliminate the decimal points in the ratio:

6.7

0.8

a. 67

8

b. 67

80

c. 670

8

13 19 kg = ____ g a. 1,900 b. 1.900 c. 19,000

31 3.83 − 0.91 = a. 2.9 b. 2.92 c. 29.2

14 6

8= a. 75% b. 68% c. 60% 32

27 g = ____ mg a. 0.27 b. 0.027 c. 27,000

15 8.92 − 6.09 = a. 2.83 b. 0.0283 c. 0.283

33 Choose the number with the greatest value: a. 57.8 b. 57.08 c. 5.708

16 2.9 × 4.4 =

a. 12.00 b. 1.28 c. 12.76

34 8.2 × 2.9 =

a. 0.24 b. 237.8 c. 23.78

17

Express to the nearest hundredth: 177

15 ×

211

25=

a. 99.59 b. 99.592 c. 99.60

35

2

7+

8

7+

1

7=

a. 1

4

7

b. 17

11 c. 1

11

7

18 Choose the number with greatest value:

a. 0.89 b. 0.8 c. 0.08 36

0.95 − 0.37 =

a. 0.058 b. 0.6 c. 0.58

EGTC NURSING MATH PRACTICE

LPN practice v-1.doc

37 0.01 × 0.07 =

a. 7 b. 0.0007 c. 7.00 47

12.12 ÷ 0.03 =

a. 0.404 b. 404 c. 40.4

38

Reduce to lowest term: 14

4

a. 3

1

2

b. 1

4

14

c. 3.2 48

5

8+

1

16=

a. 11

16

b. 6

24

c. 1

4

39 6.7 × 3.2 =

a. 18.14 b. 21.44 c. 21.00 49

Choose the number with least value:

a. 0.875 b. 0.871 c. 0.88

40 5.5 mL = ____ L

a. 55 b. 0.55 c. 0.0055 50

Choose the number with the least value:

a. 0.472 b. 4.72 c. 47.2

41

4

7−

5

14=

a. 9

14

b. 3

14

c. 7

9

51

Reduce to lowest term: 16

3

a. 13

3

b. 4

5

3

c. 5

1

3

42 2.5 L = ____

a. 25 mL b. 2,500 mL c. 2,500 ml 52

Choose the number with the greatest value:

a. 0.89 b. 0.8 c. 0.08

43

4

5−

1

3=

a. 3

2

b. 7

15

c. 3

8

53

5

8−

1

4=

a. 6

8

b. 3

8

c. 4

4

44

5

12−

1

6=

a. 4

6

b. 1

4

c. 4

18

54

Express to the nearest tenth: 7.11 × 8.9 =

a. 0.63 b. 6.32 c. 63.3

45

Match properties with units: a. mass b. volume c. length

___liter ___meter ___gram

55

Match prefixes with values: a. kilo b. centi c. micro d. milli

___0.000001 ___1000 ___0.001 ___0.01

46 Order from least to greatest (1-4): ____ milligram (mg) ____ kilogram (kg) ____ gram (g) ____ microgram

56 Order from greatest to least (1-3): ____ microliter (mcL) ____ liter(L) ____ milliliter (mL)

EGTC NURSING MATH PRACTICE

LPN practice v-1.doc

57

Match units with abbreviations: a. liter b. millimeter c. gram d. meter e. kilogram f. milliliter g. microgram h. centimeter i. milligram

kg

mm

cm

L

mg

mcg

mL

m

g

61

Match with equivalents: a. 1 liter b. 1 millimeter c. 1 gram d. 1 milligram e. 1 meter f. 1 kilogram g. 1 milliliter h. 1 microgram i. 1 centimeter

1,000,000 mcg

1,000 mL

1,000 mcg

0.001 L

0.000000001 kg

10 mm

100 cm

1,000 g

0.001 m

58

Match prefixes with abbreviations: a. kilo b. centi c. micro d. milli

___c ___mc ___k ___m

62

Write twenty-seven milliequivalents: a. 27 MEq b. 27 MeQ c. 27 mEq

59

Match measurements with abbreviations: a. ounces b. teaspoon c. drop d. dram e. tablespoon

T/tbs/TBS

dr

oz.

t/ tsp TSP/

gtt

63

Move decimal 3 places to the left: a. 852.23 b. 75.6 c. 0.25

________________ ________________ ________________

64

Move decimal 3 places to the right: a. 0.695 b. 45.236 c. 0.05

________________ ________________ ________________

60

Compute by moving decimals: a. 8,568,451.05 ÷ 1,000 × 100 ÷ 10 = b. 0.785291 ÷ 10 × 10,000 × 100 ÷ 1,000 = c. 742.61× 1,000 ÷ 100 ÷ 10 × 100,000 =

d. 333.777 × 10 × 1,000 ÷ 100 × 1 =

AN

SWER

KEY

1 b 14 a 27 b 40 c 53 b

2 c 15 a 28 b 41 b 54 c

3 b 16 c 29 c 42 b 55 c,a,d,b

4 a 17 a 30 a 43 b 56 2,1,3

5 c 18 a 31 b 44 b 57 e,b,h,a,i,g,f,d,c

6 b 19 b 32 c 45 b,c,a 58 b,c,a,d

7 b 20 c 33 a 46 2,4,3,1 59 e,d,a,b,c,

8 c 21 b 34 c 47 b 60

a. 85,684.5105 b. 78.5291

c. 742,610,000 d. 33377.70 9 c 22 a 35 a 48 a

10 c 23 c 36 c 49 b 61 c,a,d,g,h,i,e,f,b

11 b 24 b 37 b 50 a 62 c

12 c 25 b 38 a 51 c 63 a. 0.85223 b. 0.0765 c. 0.00025

13 c 26 a 39 b 52 a 64 a. 695 b. 45,236 c. 50