By Vicki Raines

A route to conquering the maths talents crucial for nursing success...and lowering the anxieties math usually induces! step-by-step, ability through skill...students growth from easy to complicated calculations, development their proficiencies and trying out it alongside the way in which. It s ideal for direction overview and fast reference.

**Read Online or Download Davis's Basic Math Review for Nurses: with Step-by-Step Solutions PDF**

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**Extra info for Davis's Basic Math Review for Nurses: with Step-by-Step Solutions**

**Sample text**

Working division problems neatly and placing each number in the correct column are very important. See the example below. DIVIDE 8 divided by 4 is 2. 2 4 84 ) MULTIPLY 2 4 84 ) 8 SUBTRACT 2 times 4 is 8. 2 4 84 ) −8 0 BRING DOWN 8 minus 8 is 0. 2 4 84 ) −8 04 Bring down the 4. Begin the next step. Example 1: 84 ÷ 4 STEP 1. Divide: 8 ÷ 4 = 2. Write 2 above the 8 in 84. Multiply: 2 × 4 = 8. Write 8 under the 8. Subtract: 8 − 8 = 0. Write 0 under the 8. Bring down the 4. STEP 2. Divide: 4 ÷ 4 = 1.

Multiply the new numerators and denominators. 1 3 8 2 The answer is Example 3: × 4 1 9 3 = 1 6 1 . 6 6 × 3 4 STEP 1. Write the 6 in fraction form. 6 3 × 1 4 3 STEP 2. Cross cancel. indd 26 11/5/09 2:04:40 PM 3 STEP 3. Multiply. 6 3 9 × = 1 42 2 STEP 4. Write the improper fraction as a mixed number. 9 1 = 4 2 2 1 The answer is 4 . 2 Your work should look like this on paper. 3 1 6 3 9 3 = = = 4 6 × × 2 4 1 42 2 Example 4: 2 3 2 ×1 4 3 STEP 1. Write the mixed numbers as improper fractions. 2 3 11 2 5 = and 1 = 4 4 3 3 STEP 2.

Divide: The 2 cannot be divided by 5, so write 0 above the 2 in the one’s place of 2,352. Multiply: 0 × 5 = 0. Write 0 under the 2. Subtract: 2 − 0 = 2. Bring Down: All digits have been brought down. The number left after the ﬁnal subtraction is 2. 2. 2. 2 5 2,352 -2 0 35 -35 02 -0 2 ) Using Estimating When Dividing Dividing by two- or three-digit whole numbers requires estimating (trial and error or making an educated guess), then multiplying to see if your estimate is correct. If your first try is incorrect, adjust your estimate up or down, and try again.