because when you multiply by 2 you are just doubling the number being multiplied by two.
example: 5x2=10 5+5=10
Chat with our AI personalities
Doubling is the same as multiplying by two. The two actions are the same.
Adding doubles can help you multiply by 2 through the property of commutativity in multiplication. By adding two equal numbers together (doubles), you are essentially multiplying one of the numbers by 2. For example, 5 + 5 = 10, which is the same as 5 x 2 = 10. This strategy can simplify multiplication problems and help build a deeper understanding of the relationship between addition and multiplication.
-4
The circumference also doubles.
Multiplying by two is the same thing as adding the number to itsself again. 2 (4) = 4 + 4