Adding/Subtracting Decimals

What is the result of $18 - 3.55$?

• $14.45$

• $15.00$

• $14.00$

• $16.55$

What does it mean to subtract decimals?

• Finding the sum of two decimal numbers.

• Finding the difference between two decimal numbers.

• Multiplying two decimal numbers together.

• Dividing one decimal number by another.

What is the value of $0.12$ compared to $0.29$?

• $0.12 > 0.29$

• $0.12 = 0.29$

• $0.12 < 0.29$

• $0.12 \leq 0.29$

Is $0.8$ equal to $0.80$?

• Yes, $0.8 = 0.80$.

• No, $0.8$ is less than $0.80$.

• No, $0.8$ is greater than $0.80$.

• Yes, but only in certain contexts.

What is the first step in adding decimals?

• Line up the decimal points.

• Add the whole numbers first.

• Convert decimals to fractions.

• Ignore the decimal points.

Which number is greater: $0.29$ or $0.12$?

• $0.12$ is greater.

• $0.29$ is greater.

• Both numbers are equal.

• $0.29$ is less than $0.12$.

What is $13.72 + 28.49$?

• $40.21$

• $42.21$

• $41.21$

• $39.21$

How do you line up decimals when adding or subtracting?

• You line up the decimal points vertically.

• You add zeros to the end of the numbers.

• You ignore the decimal points completely.

• You line up the largest numbers first.

What is the importance of the decimal point in a number?

• It indicates the end of a number.

• It separates the whole number from the fractional part.

• It shows the number of digits in a number.

• It is used to round off numbers.

What is the first step in subtracting decimals?

• Line up the decimal points.

• Convert all decimals to fractions.

• Add the numbers before subtracting.

• Estimate the answer before calculating.