diff --git a/question/type/numerical/renderer.php b/question/type/numerical/renderer.php
index 31c08384653..98f48921c00 100644
--- a/question/type/numerical/renderer.php
+++ b/question/type/numerical/renderer.php
@@ -114,8 +114,8 @@ class qtype_numerical_renderer extends qtype_renderer {
         }
 
         if ($placeholder) {
-            $inputinplace = html_writer::tag('label', get_string('answer'),
-                    array('for' => $inputattributes['id'], 'class' => 'accesshide'));
+            $inputinplace = html_writer::tag('label', $options->add_question_identifier_to_label(get_string('answer')),
+                    array('for' => $inputattributes['id'], 'class' => 'sr-only'));
             $inputinplace .= $input;
             $questiontext = substr_replace($questiontext, $inputinplace,
                     strpos($questiontext, $placeholder), strlen($placeholder));
@@ -125,7 +125,9 @@ class qtype_numerical_renderer extends qtype_renderer {
 
         if (!$placeholder) {
             $result .= html_writer::start_tag('div', array('class' => 'ablock form-inline'));
-            $result .= html_writer::tag('label', get_string('answercolon', 'qtype_numerical'), array('for' => $inputattributes['id']));
+            $label = $options->add_question_identifier_to_label(get_string('answercolon', 'qtype_numerical'), true);
+            $result .= html_writer::tag('label', $label,
+                array('for' => $inputattributes['id']));
             $result .= html_writer::tag('span', $input, array('class' => 'answer'));
             $result .= html_writer::end_tag('div');
         }