diff --git a/glider.js b/glider.js
index 95d3d1a..b6f66e5 100644
--- a/glider.js
+++ b/glider.js
@@ -221,7 +221,11 @@
     _.dots.setAttribute('role', 'tablist')
     _.dots.classList.add('glider-dots')
 
-    for (var i = 0; i < Math.ceil(_.slides.length / _.opt.slidesToShow); ++i) {
+    for (
+      var i = 0;
+      i < Math.ceil(_.slides.length / Math.floor(_.opt.slidesToShow));
+      ++i
+    ) {
       var dot = document.createElement('button')
       dot.dataset.index = i
       dot.setAttribute('aria-label', 'Page ' + (i + 1))
@@ -297,7 +301,9 @@
     }
 
     _.slide = Math.round(_.ele.scrollLeft / _.itemWidth)
-    _.page = Math.round(_.ele.scrollLeft / _.containerWidth)
+    _.page = Math.round(
+      _.ele.scrollLeft / (_.itemWidth * Math.floor(_.opt.slidesToShow))
+    )
 
     var middle = _.slide + Math.floor(Math.floor(_.opt.slidesToShow) / 2)
 
@@ -391,7 +397,7 @@
     var position
 
     if (dot === true) {
-      slide = Math.round((slide * _.containerWidth) / _.itemWidth)
+      slide = slide * Math.floor(_.opt.slidesToShow)
       position = slide * _.itemWidth
     } else {
       if (typeof slide === 'string') {