GAS よくあるA1参照

//code

/** @OnlyCurrentDoc */

function myFunction() {
  var spreadsheet = SpreadsheetApp.getActive();
  spreadsheet.getRange('A1').activate();
  spreadsheet.setActiveSheet(spreadsheet.getSheetByName('sheet 1'), true);
  spreadsheet.getRange('A1').activate();
  spreadsheet.setActiveSheet(spreadsheet.getSheetByName('sheet 2'), true);
  spreadsheet.getRange('A1').activate();
  spreadsheet.setActiveSheet(spreadsheet.getSheetByName('sheet 3'), true);
  spreadsheet.getRange('A1').activate();
  spreadsheet.setActiveSheet(spreadsheet.getSheetByName('sheet 4'), true);
  spreadsheet.getRange('A1').activate();
  spreadsheet.setActiveSheet(spreadsheet.getSheetByName('sheet 5'), true);
};

/* 備考
最大実行可能数をチェック
*/