CHAPTER 1: MATHEMATICAL ESSENTIALS

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A patient's temperature was 103 degree. The temperature the fell by 4 degrees and later rose by 2 degrees. What was the patient's final temperature?

101

Solve: 2 3/4 x 4

11

Subtract: 8 - (-3)

11

One hundred twenty patients visited a hospital emergency department during a 10 hour shift. On average, how many patients visited the emergency department per hour during this particular shift?

12 per hour

Evaluate by using the order of operations: 7 + 3 x 2

13

Simplify the complex fraction: (1/4 + 5/6) / 12

13/144

Three hundred milliliters of an IV solution drips into a patient every 2 hours. Write this as a unit rate. Assuming the instruments continue to function at the same rate, determine how many milliliters will drip into this patient in 6 hours.

150 mL/hr ; 900 mL in 6 hours

Evaluate by using the order of operations: 2 + 2(4² - 3²)

16

Five hundred twenty-five milliliters of an IV solution drips into a patient every 3 hours. Write this as a unit rate. Assuming the instruments continue to function at the same rate, determine how many milliliters will drip into this patient in 5 hours?

175 mL/hr; 875 mL in 5 hours

Subtract: 15 - (-3)

18

Simplify the complex fraction: 1/6 + 2/7 | 3/5 - 1/4

190/147 or 1 43/147

Evaluate by using the order of operations: ( 5 - 3)³ + 4

2

Solve: 2/3 divided by 1/3

2

Solve: 2/5 x 1/5

2/15

Solve: 2/9 x 3/5

2/15

Add: 4.71 + 19.256

23.966

Multiply: -5(-5)

25

Solve: 11/16 - 1/6

25/48

Solve 15 - 22 + 10

3

Multiply: 6.2 x 0.54

3.348

Multiply: 3.57 x 1,000

3.570

Solve: 3/7 x 21/30

3/10

Evaluate by using the order of operations: 2(1 + 3)²

32

Evaluate by using the order of operations: (5 + 9 ) divided by 7 x 2

4

Tim lost 2 1/3 pounds and then lost 1 3/4 more pounds. How much weight did Tim lose altogether?

4 1/12 lb

Solve: 3 3/4 + 1/2

4 1/4

Solve: 1 5/12 x 2 5/6

4 1/72

Solve: 5 5/8 divided by 1 1/6

4 23/28

Solve: 1 3/8 + 2 5/6

4 5/24

Solve 4 x (-5) x (-2)

40

Add: -45 + 50

5

Solve: 7/12 - 3/8

5/24

Solve: 2/3 + 1/6

5/6

Solve: 3/8 + 1/4

5/8

Evaluate by using the order of operations: 2 + 2²

6

Evaluate by using the order of operations: 4 + 12 divided by 6

6

Evaluate by using the order of operations: 8 - 4 + (3² - 7)

6

A healthcare professional was asked to administer 1,00 units of a medication. However, all that is in stock are bottles containing 150 units. How many bottles should be administered? Give your answer as a mixed number.

6 2/3

24,000 cells/ 4 mm power 2

6,000 cells/1 mm

Multiply: 0.631 x 10

6.31

Subtract: 9.4 - 3

6.4

Evaluate by using the order of operations: 5 + 10 + 5

7

Solve: 10 1/3 - 2 3/5

7 11/15

Solve: 3 1/2 x 2 1/4

7 7/8

Add: 4.734 + 3.19

7.924

Solve: 2 1/2 - 1 1/3

7/6

Solve: 5/8 + 2/8

7/8

-32 divided by -4

8

Evaluate by using the order of operations: 3/4 x 16 + 2 + 2

8

Solve: 5 4/9 - {-2 2/3}

8 1/9

Multiply: 9 x 9

81

Solve: 2 1/2 x 3 4/5

9 1/2

A person burns 360 calories every 4 hours. Write this as a unit rate. How many calories will this person burn in 24 hours?

90 calories/hr; 2,160 in 24 hours

-6 divided by 0

Undefined

Multiply: 3.01 x 0.05

0.1505

16 g /80 L

0.2g / 1 L

Multiply: 5.4 x 0.08

0.432

Multiply: 0.55 x 0.9

0.495

Evaluate by using the order of operations: (2² + 8) divided by 4 - 2

1

Solve: 7/12 divided by 21/36

1

Solve: 1 5/8 divided by 3/2

1 1/12

Simplify the complex fraction: 3/10 | 1/5

1 1/2

Solve: 7/8 divided by 3/4

1 1/6

Solve: 3 5/6 divided by 2

1 11/12

Solve: 3 3/4 divided 2 1/3

1 17/28

Solve: 9/16 x 4/27

1/12

A technician took one fourth of the amount of solution in a container. The technician then split this amount by one-fourth again. How much of the original solution did this technician have left?

1/16

Solve: 5/8 divided by 10

1/16

Simplify the complex fraction: 5/8 | 15

1/24

Solve: 7/8 - 5/6

1/24

Simplify the complex fraction: (1 - 3/4) / 8

1/32

Simplify the complex fraction: 1/2 | 2

1/4

Solve: 5/9 x 3/10

1/6

Simplify the complex fraction: 5/12 | 10/3

1/8

-20 divided by -2

10

Subtract: 14.6924 - 3.956

10.7364

Multiply: 90.01 x 0.001

0.09001

Express $30 for 50 shirts as a unit rate.

$0.60/1 shirt

Express $1,000 for 5 days work as a unit.

$200/1 day

$1,800/4 weeks

$450/ 1 week

A person makes $3,300 for 4 weeks of work. How much does this person make per week? If this person works 50 weeks in a year, how much will he or she make per year?

$800 per week ; $40,000 per year

Subtract: -5 - 10

-15

Subtract: -38 - (-21)

-17

10 divided by (-5)

-2

Solve: 5/6 divided by (-3/8)

-2 2/9

Multiply: 5 x (-4)

-20

Multiply: 8(-3)

-24

Add: -7 + 4

-3

Solve:3 - 8 + 2

-3

If the outside temperature declined by 4 degrees every hour for 5 hours, express the change in temperature as a product of two integers.

-4 x 5 = -20

Multiply: (-6)7

-42

-20 divided by 4

-5

-45 divided by 9

-5

25 divided by -5

-5

Subtract: -7 - (-2)

-5

Subtract: 3 - 8

-5

Subtract: -20 - 30

-50

Subtract: 24 - 30

-6

40 divided by -5

-8

0 divided by 12

0


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