How to Master Nursing Calculations by Chris John Tyreman

By Chris John Tyreman

For the maths-phobic, this second version of the best-selling "How to grasp Nursing Calculations", is perfect perform for studying key numeracy abilities. the right significant other to your education and within the first few an important years of your profession, it builds your competency via perform, revision and each day examples. Contents contains a overview of the fundamentals, transparent illustrations of tool scales, clinical management documents and pharmaceutical labels in addition to a close advisor to studying drug dosage charts, together with a new checklist of significant abbreviations and a piece on the right way to make drug calculations with out equations - requiring little mathematical wisdom - "How to grasp Nursing Calculations", second version, can assist you grasp advanced dosages and switch you right into a maths whiz.

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For example: 28 How to master nursing calculations 1 4 3 4 Cancelling (equivalent fractions) Some fractions can be cancelled so as to express them in smaller numbers. The value of the fraction is not altered by cancelling and so the outcome is an equivalent fraction. For example, four-sixths can be expressed as a fraction having smaller numbers, by dividing both the top and bottom numbers by 2. This is known as cancelling. 4 ÷2 2 = 6 ÷2 3 Remember, the value of the fraction has not become smaller, only the numbers involved – this means that four-sixths and two-thirds are equivalent fractions: 4 6 2 3 Another example of cancelling is 168 .

Example: what is the HCF of 20 and 16? 16: 1 2 4 8 16 20: 1 2 4 5 10 20 1, 2 and 4 are the common factors so 4 is the HCF of 16 and 20. Test 8 Find the factors of the following numbers. Use the pairing-off method (1 and; 2 and; 3 and; 4 and; 5 and; 6 and; etc): 1 2 3 4 5 6 (four factors) 10 (four factors) 32 (six factors) 90 (12 factors) 500 (12 factors) Find the highest common factor (HCF) of: 6 7 8 9 10 24 and 32 75 and 120 12 and 500 50 and 1000 25 and 400 A prime number is a number that is only divisible by itself and 1.

If there are 90 000 applicants how many will become nurses? How to express numbers as percentages We have seen that percentage means out of 100, so: 100% = 100 100 =1 This means that we can write any number as a percentage, without affecting its value, by multiplying it by 100% (× 1). 1 × 100% = 110% 49 50 How to master nursing calculations Test 33 Convert each decimal or fraction to a percentage by multiplying it by 100%. 005 1 9 5 9 25 1 17 10 20 8 Chapter 2 questions Target = 18 correct answers out of 20 questions.

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