top of page
Math Formulas and a Calculator

Multiplying Decimals

How to Multiply Decimals: A Fun Guide for Math Aces


Hey there, Math Aces! Ready to tackle a new challenge? Today, we're diving into the world of decimal multiplication. It might sound tricky, but with a little practice, you'll be a pro in no time! Let's break it down step by step, and before you know it, you'll be multiplying decimals like a math wizard.

What Are Decimals?

Decimals are numbers that have a dot (called a decimal point) to show values that are less than one. For example, 0.5 and 2.75 are decimals. When we multiply decimals, it's like multiplying whole numbers, but we have to keep track of where that decimal point goes. Let's get started!


How to Multiply Decimals by Decimals

Step-by-Step Example:

Multiply 3.75 by 0.4

1. Set up your multiplication and ignore the decimal points: Think of 3.75 as 375 and 0.4 as 4.

2. Multiply as usual. 375 times 4 equals 1500.

3. Count the number of decimal place values in each number being multiplied. 3.75 has 2 decimal place values. 0.4 has 1 decimal place value. 




4. Place the Decimal Point: We need 3 decimal places in our answer, so 1500 becomes 1.500. The other zeros can be dropped because they are to the right, making the final answer 1.5.


So, 3.75 multiplied by 0.4 equals 1.5. Great job!

Practice Makes Perfect

Want to see more examples and practice your skills? Watch a full lesson on How to Multiply Decimals on Mr. Ace Math's YouTube channel. It's packed with tips, tricks, and more examples to help you master decimal multiplication.


Become a Math Ace on YouTube

Don't forget to Subscribe to Mr. Ace Math on YouTube for more free math videos. We have tons of lessons covering all sorts of math topics. You'll never miss out on new, exciting math content that makes learning fun!


Get Your Math Supplies

Need some supplies for math class? Check out Mr. Ace Math’s Amazon Affiliate Store for all your math needs. From calculators to notebooks, we've got you covered!

Multiplying decimals can seem a bit confusing at first, but with these simple steps, you're well on your way to becoming a decimal multiplication expert. Remember to practice, stay curious, and keep having fun with math.


See you in math class,


~Mr. Ace

decimal multiplication; 3.75 x 0.4 step 1
decimal multiplication; 3.75 x 0.4 step 2
decimal multiplication; 3.75 x 0.4 step 3
decimal multiplication; 3.75 x 0.4 step 4
bottom of page