CHAPTER 1: MATHEMATICAL ESSENTIALS
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