Multiply by Meaning in English
expression
Definition
To increase a number by adding it to itself a certain number of times, using another number. In math, to 'multiply by' means to find the total when one number is repeated as many times as another number says.
Usage & Nuances
Formal and technical, mainly used in math and science. Commonly followed by a number or variable (e.g., 'Multiply by 3'). Not used in everyday conversation unless discussing calculations.
Example Sentences
Just multiply by the sales tax to figure out the total price.
natural
Don’t forget to multiply by the number of days when you do the calculation.
natural
Please multiply by 4 to get the answer.
basic
You need to multiply by 10 for this math problem.
basic
To find the area, multiply by the length and width.
basic
If you multiply by 0, you always get zero.
natural