Decimals Addition and Subtraction Quiz

What is the most crucial step when adding or subtracting decimals?

• Ensuring the numbers are even

• Rounding the numbers

• Aligning the decimal points

• Using a calculator

When adding 19.65 and 16.9, what should you do if there is a blank space in the decimal places?

• Add a one

• Leave it blank

• Add a zero

• Ignore it

In the addition example, what happens if the sum of a column is greater than 9?

• The sum is divided by 2

• The sum is written as is

• The sum is ignored

• The tens digit is carried over to the next column

What is the first step in subtracting decimals when the top number is smaller than the bottom number in a column?

• Subtract as is

• Borrow from the next column

• Add 10 to the top number

• Ignore the column

In the subtraction example, what is the final answer when subtracting 5.95 from 12.31?

• 5.36

• 7.36

• 6.36

• 8.36