Decimal Operations

How do you convert a fraction to a decimal?

• Multiply the fraction by 100.

• Add the numerator and denominator together.

• Divide the numerator by the denominator.

• Subtract the denominator from the numerator.

What is the importance of decimal operations in real life?

• They are only used in academic settings.

• They are important for handling money, measurements, and data analysis in everyday situations.

• They are not relevant to daily activities.

• They are primarily used for theoretical mathematics.

What is the difference between 0.5 and 0.25?

• 0.15

• 0.20

• 0.25

• 0.30

How do you add decimals?

• Align the numbers by the decimal point and add as you would whole numbers, carrying over if necessary.

• Add the whole numbers first and then add the decimal parts separately.

• Convert the decimals to fractions and add them together.

• Ignore the decimal points and add the numbers as if they were whole numbers.

What is a decimal?

• A way of representing fractions in a base 10 system, using a dot (.) to separate the whole number part from the fractional part.

• A method of calculating percentages using whole numbers only.

• A representation of numbers in binary format, using only 0s and 1s.

• A system of measurement that uses fractions to express values.

What is the result of 507.3 + 2.48?

• 509.78

• 510.00

• 508.50

• 511.20

What is the result of 0.75 × 0.4?

• 0.3

• 0.25

• 0.4

• 0.5

What is 5.75 ÷ 0.25?

• 20

• 22

• 23

• 25

How do you divide decimals?

• Move the decimal point in the divisor to the right and the dividend to the left.

• Move the decimal point in the divisor to the right to make it a whole number, and move the decimal point in the dividend the same number of places.

• Divide the whole numbers first and then place the decimal point in the result.

• Multiply both numbers by 10 before dividing.

What is 12.6 ÷ 0.8?

• 15.75

• 14.25

• 16.50

• 13.00