Whoever told you that you’d need math later on in life might be wrong in this case, because Sketch App takes care of all that math for you.

If you’ve ever used a computer calculator then you already know how to speed up your workflow in Sketch by specifying values with formulas. Let’s look at an example.

Open up Sketch App. Press “R” to create a *Rectangle* and in *The Inspector* choose ”194” for the *Width* and “277” for the *Height*; any other values are completely up to you.

Now let’s create another rectangle(or duplicate this one – *command+d*) that is 150% bigger than this rectangle. For the *Width*, lets try “194*2”, and “277*2” for the *Height*.

Easy right?

Now let’s try something more complex; undo(*command+z*) those last two steps and we’ll add different values.

For the Width, try “(194*1.5)-10” and for the Height “(277*1.5)-20”. Basically this means the same thing as before, only we’ve trimmed 10px and 20px from the shape.

If you didn’t undo the last two steps just click one of the larger rectangles, hold **option**, and then hover over the *other* rectangle. Sketch will tell you exactly how much space exists between the two layers – just for comparison.

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