Contributor: Lanette Judy . Lesson ID: 14164
Multiplication is a complex process. How can looking at a multiplication problem differently help you see it from a new perspective and learn something new?
Imagine swinging high on a playground, feeling the rush of air as you go up and down. Now, picture yourself hanging upside down from the monkey bars.
Just like seeing things from a new perspective can change your view, you can flip your approach to multiplication with the upsidedown multiplication method!
By learning this fun and efficient way to multiply, you’ll tackle tricky 3digit by 1digit problems with confidence and discover how multiplication works step by step.
That’s what makes it exciting! Learn how to turn multiplication on its head with the upsidedown multiplication method,
Typically, multiplication is written like this: 246 x 2.
You’d have 2 x 246!
This new perspective can help you see the problem in a fresh way.
Check out this video to discover more!
You’ll be doing just that, using a new method!
Look at a realworld example. Just don’t flip those apple bins upside down!
Imagine you have 452 apples in 2 bins. To find out how many apples you have, multiply 452 x 2.
Here’s how to do it with upsidedown multiplication.
Here’s what it looks like.
2 

x 
4 
5 
2 

4 

1 
0 
0 

+ 
8 
0 
0 

9 
0 
4 
Imagine counting the pieces in one box and discovering 237 pieces. Because it is your favorite, you have 4 boxes.
To find out how many pieces of cereal you have altogether, multiply 237 x 4 using the upsidedown method.
Here is the breakdown.
4 

x 
2 
3 
7 

2 
8 

1 
2 
0 

+ 
8 
0 
0 

9 
4 
8 
A handy tip: try turning your paper sideways so the lines are vertical. This helps you organize your multiplication neatly into columns.
Graph paper works great for this, too!
Now, practice with another problem!
Try this: 5 x 237. Remember to turn your paper sideways or use graph paper to keep your numbers aligned.
5 

x 
2 
3 
7 

3 
5 

1 
5 
0 

+ 
1 
0 
0 
0 

Once you have the numbers aligned, add the products to solve the equation. Your answer should be 1,185.
This method of upsidedown multiplication helps you see how each part of the number builds up to the final total. You’re doing great!
Keep building on your knowledge in the Got It? section.