PPM S03: Decimal Fractions

What is the decimal equivalent of the fraction 4/10?

• 0.4

• 0.04

• 0.004

• 0.0004

Why is a zero placed before a decimal point in medical fields?

• To avoid misreading a number as a whole number

• To make the number look larger

• To indicate a negative value

• To confuse the reader

What are the components of a decimal fraction?

• Whole number part, decimal point, decimal fraction part

• Numerator, denominator, decimal point

• Integer part, decimal point, fractional part

• Dividend, divisor, quotient

How are decimal fractions rounded off?

• Increase the number by 1 if the number that follows it is 5 or more

• Drop all of the numbers that follow

• Drop the remaining numbers

• Add zeros on the left of the product

How do you add decimal fractions?

• Align decimal points and add the numbers

• Subtract the numbers following the same rules for subtraction of whole numbers

• Multiply the numbers following the same rules for multiplication of whole numbers

• Divide the numbers following the same rules for division of whole numbers

How do you subtract decimal fractions?

• Place the smaller number under the larger number and subtract

• Align decimal points and add the numbers

• Multiply the numbers following the same rules for multiplication of whole numbers

• Divide the numbers following the same rules for division of whole numbers

How do you multiply decimal fractions?

• Multiply the numbers following the same rules for multiplication of whole numbers

• Align decimal points and add the numbers

• Subtract the numbers following the same rules for subtraction of whole numbers

• Divide the numbers following the same rules for division of whole numbers

How do you divide decimal fractions?

• Place the dividend inside the division bracket and the divisor outside the bracket

• Align decimal points and add the numbers

• Subtract the numbers following the same rules for subtraction of whole numbers

• Multiply the numbers following the same rules for multiplication of whole numbers

How do you convert a decimal fraction to a common fraction?

• The number to the left of the decimal point is the whole number, and the number to the right becomes the numerator

• Divide the numerator by the denominator

• Multiply the numerator by the denominator

• Add the numerator and denominator

What should be done to solve problems involving combined operations with decimal fractions?

• Follow the rules for addition, subtraction, multiplication, and division of decimal fractions

• Ignore the rules and guess the answer

• Only perform addition and subtraction, but not multiplication and division

• Perform multiplication and division, but not addition and subtraction