diff --git a/IPython/html/widgets/tests/test_interaction.py b/IPython/html/widgets/tests/test_interaction.py
index ffe9316..bcb46bd 100644
--- a/IPython/html/widgets/tests/test_interaction.py
+++ b/IPython/html/widgets/tests/test_interaction.py
@@ -133,6 +133,7 @@ def test_single_value_float():
             min= -a if a > 0 else 3*a,
             max= 3*a if a > 0 else -a,
             step=0.1,
+            readout=True,
         )
 
 def test_single_value_int():
@@ -147,6 +148,7 @@ def test_single_value_int():
             min= -a if a > 0 else 3*a,
             max= 3*a if a > 0 else -a,
             step=1,
+            readout=True,
         )
 
 def test_list_tuple_2_int():
@@ -162,6 +164,7 @@ def test_list_tuple_2_int():
             min=min,
             max=max,
             step=1,
+            readout=True,
         )
         check_widgets(c, tup=d, lis=d)
 
@@ -178,6 +181,7 @@ def test_list_tuple_3_int():
             min=min,
             max=max,
             step=step,
+            readout=True,
         )
         check_widgets(c, tup=d, lis=d)
 
@@ -194,6 +198,7 @@ def test_list_tuple_2_float():
             min=min,
             max=max,
             step=.1,
+            readout=True,
         )
         check_widgets(c, tup=d, lis=d)
 
@@ -212,6 +217,7 @@ def test_list_tuple_3_float():
             min=min,
             max=max,
             step=step,
+            readout=True,
         )
         check_widgets(c, tup=d, lis=d)
 
diff --git a/IPython/html/widgets/widget_float.py b/IPython/html/widgets/widget_float.py
index 5f9e2da..ec1868e 100644
--- a/IPython/html/widgets/widget_float.py
+++ b/IPython/html/widgets/widget_float.py
@@ -53,7 +53,7 @@ class FloatSliderWidget(_BoundedFloatWidget):
     _view_name = Unicode('FloatSliderView', sync=True)
     orientation = Enum([u'horizontal', u'vertical'], u'horizontal', 
         help="Vertical or horizontal.", sync=True)
-    readout = Bool(False, help="Display the current value of the slider next to it.", sync=True)
+    readout = Bool(True, help="Display the current value of the slider next to it.", sync=True)
 
 
 class FloatProgressWidget(_BoundedFloatWidget):
diff --git a/IPython/html/widgets/widget_int.py b/IPython/html/widgets/widget_int.py
index e1090d9..5a706bf 100644
--- a/IPython/html/widgets/widget_int.py
+++ b/IPython/html/widgets/widget_int.py
@@ -53,7 +53,7 @@ class IntSliderWidget(_BoundedIntWidget):
     _view_name = Unicode('IntSliderView', sync=True)
     orientation = Enum([u'horizontal', u'vertical'], u'horizontal', 
         help="Vertical or horizontal.", sync=True)
-    readout = Bool(False, help="Display the current value of the slider next to it.", sync=True)
+    readout = Bool(True, help="Display the current value of the slider next to it.", sync=True)
 
 
 class IntProgressWidget(_BoundedIntWidget):