You can copy the same data into multiple worksheet in one go.
Select the data to copy.
Hold down Ctrl and select worksheets to copy to.
Go to the Home menu, find the Editing section, Chose Fill – Across worksheets.
Be careful to unselect the sheets before you do anything else. Do this by clicking on an unselected sheet. If you don’t, whatever you do to one sheet will be repeated in all the others you have selected.