Question

How can you use 3 X5 = 15 to help find 6 X 5 ?3rd grade subject

Answer 1

Given,

The expression is 3 X 5 = 15

The value of 6 X 5 is,

Taking the given expression as,

`6*5=(3+3)*5`

By distributive property,

`\begin{gathered} 6*5=3*5+3*5 \\ =15+15 \\ =30 \end{gathered}`

Hence, the value of 6 X 5 is 30.