Understanding Addition and Subtraction of Decimals

What is the first step when adding or subtracting money or decimals?

• Add zeros to all numbers

• Align the decimal points

• Start from the leftmost digit

• Subtract the smallest number first

When adding decimals, what should you do if there is an empty space?

• Fill it with a one

• Leave it blank

• Fill it with a zero

• Ignore the space

In the example of adding 3.45 and 4.61, what is the sum?

• $7.06

• $8.06

• $7.07

• $8.07

What should you do if you cannot subtract a larger digit from a smaller one in decimal subtraction?

• Skip the subtraction

• Add a zero

• Borrow from the next column

• Subtract the smaller digit from the larger one

In the subtraction example, what is the result of 8.62 - 2.47?

• $5.25

• $5.15

• $6.25

• $6.15