How to Add Decimals | Math with Mr. J

What is the first important step when adding decimals?

• Add the numbers from right to left.

• Line up the decimal points.

• Place holder zeros at the end of the shorter decimal.

• Ignore the decimal points until the end.

Why is it helpful to place placeholder zeros when adding decimals?

• To change the value of the decimal.

• To make the numbers look longer.

• To better align the place values and make the problem look more organized.

• To make the addition harder.

After lining up the decimals and adding placeholder zeros, what should you do with the decimal point in your final answer?

• Move it one place to the right.

• Bring it straight down from its position in the problem.

• Remove it completely.

• Place it at the very end of the number.

What is a common mistake to avoid when adding decimals?

• Forgetting to add the numbers.

• Not lining up the decimal points.

• Using too many placeholder zeros.

• Adding from left to right.