diff --git a/cms/djangoapps/contentstore/tests/test_contentstore.py b/cms/djangoapps/contentstore/tests/test_contentstore.py
index 3bfd307345..847b4eeeec 100644
--- a/cms/djangoapps/contentstore/tests/test_contentstore.py
+++ b/cms/djangoapps/contentstore/tests/test_contentstore.py
@@ -37,7 +37,7 @@ from xmodule.modulestore.inheritance import own_metadata
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory, check_mongo_calls
 from xmodule.modulestore.xml_exporter import export_course_to_xml
 from xmodule.modulestore.xml_importer import import_course_from_xml, perform_xlint
-from xmodule.seq_module import SequenceBlock
+from xmodule.seq_block import SequenceBlock
 from xmodule.video_module import VideoBlock
 
 from cms.djangoapps.contentstore.config import waffle
diff --git a/cms/djangoapps/contentstore/tests/test_crud.py b/cms/djangoapps/contentstore/tests/test_crud.py
index 1ae40b0dfd..371e9fd35d 100644
--- a/cms/djangoapps/contentstore/tests/test_crud.py
+++ b/cms/djangoapps/contentstore/tests/test_crud.py
@@ -9,7 +9,7 @@ from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.exceptions import DuplicateCourseError
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
-from xmodule.seq_module import SequenceBlock
+from xmodule.seq_block import SequenceBlock
 
 
 class TemplateTests(ModuleStoreTestCase):
diff --git a/cms/djangoapps/contentstore/views/tests/test_course_index.py b/cms/djangoapps/contentstore/views/tests/test_course_index.py
index e05b500a7d..a954a34632 100644
--- a/cms/djangoapps/contentstore/views/tests/test_course_index.py
+++ b/cms/djangoapps/contentstore/views/tests/test_course_index.py
@@ -813,7 +813,7 @@ class TestCourseReIndex(CourseTestCase):
         with self.assertRaises(SearchIndexingError):
             reindex_course_and_check_access(self.course.id, self.user)
 
-    @mock.patch('xmodule.seq_module.SequenceBlock.index_dictionary')
+    @mock.patch('xmodule.seq_block.SequenceBlock.index_dictionary')
     def test_reindex_seq_error_json_responses(self, mock_index_dictionary):
         """
         Test json response with mocked error data for sequence
@@ -923,7 +923,7 @@ class TestCourseReIndex(CourseTestCase):
         with self.assertRaises(SearchIndexingError):
             CoursewareSearchIndexer.do_course_reindex(modulestore(), self.course.id)
 
-    @mock.patch('xmodule.seq_module.SequenceBlock.index_dictionary')
+    @mock.patch('xmodule.seq_block.SequenceBlock.index_dictionary')
     def test_indexing_seq_error_responses(self, mock_index_dictionary):
         """
         Test do_course_reindex response with mocked error data for sequence
diff --git a/lms/djangoapps/course_blocks/transformers/hidden_content.py b/lms/djangoapps/course_blocks/transformers/hidden_content.py
index b0bbd7f137..e82d8d3441 100644
--- a/lms/djangoapps/course_blocks/transformers/hidden_content.py
+++ b/lms/djangoapps/course_blocks/transformers/hidden_content.py
@@ -8,7 +8,7 @@ from datetime import datetime
 from pytz import utc
 
 from openedx.core.djangoapps.content.block_structure.transformer import BlockStructureTransformer
-from xmodule.seq_module import SequenceBlock  # lint-amnesty, pylint: disable=wrong-import-order
+from xmodule.seq_block import SequenceBlock  # lint-amnesty, pylint: disable=wrong-import-order
 
 from .utils import collect_merged_boolean_field, collect_merged_date_field
 
diff --git a/lms/djangoapps/courseware/tests/test_module_render.py b/lms/djangoapps/courseware/tests/test_module_render.py
index 8a4b0f4391..363de536d7 100644
--- a/lms/djangoapps/courseware/tests/test_module_render.py
+++ b/lms/djangoapps/courseware/tests/test_module_render.py
@@ -920,7 +920,7 @@ class TestHandleXBlockCallback(SharedModuleStoreTestCase, LoginEnrollmentTestCas
         assert not mock_score_signal.called
 
     @ddt.data(
-        # See seq_module.py for the definition of these handlers
+        # See seq_block.py for the definition of these handlers
         ('get_completion', True),  # has the 'will_recheck_access' attribute set to True
         ('goto_position', False),  # does not set it
     )
diff --git a/lms/djangoapps/courseware/views/index.py b/lms/djangoapps/courseware/views/index.py
index 407874112e..b51cc00a59 100644
--- a/lms/djangoapps/courseware/views/index.py
+++ b/lms/djangoapps/courseware/views/index.py
@@ -561,17 +561,17 @@ def render_accordion(request, course, table_of_contents):
     return render_to_string('courseware/accordion.html', context)
 
 
-def save_child_position(seq_module, child_name):
+def save_child_position(seq_block, child_name):
     """
     child_name: url_name of the child
     """
-    for position, child in enumerate(seq_module.get_display_items(), start=1):
+    for position, child in enumerate(seq_block.get_display_items(), start=1):
         if child.location.block_id == child_name:
             # Only save if position changed
-            if position != seq_module.position:
-                seq_module.position = position
+            if position != seq_block.position:
+                seq_block.position = position
     # Save this new position to the underlying KeyValueStore
-    seq_module.save()
+    seq_block.save()
 
 
 def save_positions_recursively_up(user, request, field_data_cache, xmodule, course=None):
diff --git a/lms/djangoapps/gating/tests/test_integration.py b/lms/djangoapps/gating/tests/test_integration.py
index b58073f5c2..608231c2a1 100644
--- a/lms/djangoapps/gating/tests/test_integration.py
+++ b/lms/djangoapps/gating/tests/test_integration.py
@@ -149,7 +149,7 @@ class TestGatedContent(MilestonesTestCaseMixin, SharedModuleStoreTestCase):
         # access to gating content (seq1) remains constant
         assert bool(has_access(user, 'load', self.seq1, self.course.id))
 
-        # access to gated content (seq2) remains constant, access is prevented in SeqModule loading
+        # access to gated content (seq2) remains constant, access is prevented in SeqBlock loading
         assert bool(has_access(user, 'load', self.seq2, self.course.id))
 
     def assert_user_has_prereq_milestone(self, user, expected_has_milestone):
diff --git a/lms/templates/seq_module.html b/lms/templates/seq_block.html
similarity index 100%
rename from lms/templates/seq_module.html
rename to lms/templates/seq_block.html
diff --git a/openedx/core/lib/xblock_utils/__init__.py b/openedx/core/lib/xblock_utils/__init__.py
index ca881bd02d..1674b2757f 100644
--- a/openedx/core/lib/xblock_utils/__init__.py
+++ b/openedx/core/lib/xblock_utils/__init__.py
@@ -28,7 +28,7 @@ from xblock.scorable import ScorableXBlockMixin
 
 from common.djangoapps import static_replace
 from common.djangoapps.edxmako.shortcuts import render_to_string
-from xmodule.seq_module import SequenceBlock  # lint-amnesty, pylint: disable=wrong-import-order
+from xmodule.seq_block import SequenceBlock  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.util.xmodule_django import add_webpack_to_fragment  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.vertical_block import VerticalBlock  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.x_module import (  # lint-amnesty, pylint: disable=wrong-import-order
diff --git a/setup.py b/setup.py
index 5b3bfe4486..db9bdf31e1 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@ XBLOCKS = [
     "about = xmodule.html_block:AboutBlock",
     "book = xmodule.template_module:TranslateCustomTagBlock",
     "annotatable = xmodule.annotatable_block:AnnotatableBlock",
-    "chapter = xmodule.seq_module:SectionBlock",
+    "chapter = xmodule.seq_block:SectionBlock",
     "conditional = xmodule.conditional_block:ConditionalBlock",
     "course = xmodule.course_block:CourseBlock",
     "course_info = xmodule.html_block:CourseInfoBlock",
@@ -27,7 +27,7 @@ XBLOCKS = [
     "poll_question = xmodule.poll_block:PollBlock",
     "problem = xmodule.capa_block:ProblemBlock",
     "randomize = xmodule.randomize_block:RandomizeBlock",
-    "sequential = xmodule.seq_module:SequenceBlock",
+    "sequential = xmodule.seq_block:SequenceBlock",
     "slides = xmodule.template_module:TranslateCustomTagBlock",
     "split_test = xmodule.split_test_module:SplitTestBlock",
     "static_tab = xmodule.html_block:StaticTabBlock",
diff --git a/xmodule/conditional_block.py b/xmodule/conditional_block.py
index 76296cdc37..3422a892ce 100644
--- a/xmodule/conditional_block.py
+++ b/xmodule/conditional_block.py
@@ -17,7 +17,7 @@ from xblock.fields import ReferenceList, Scope, String
 from openedx.core.djangolib.markup import HTML, Text
 from xmodule.mako_block import MakoTemplateBlockBase
 from xmodule.modulestore.exceptions import ItemNotFoundError
-from xmodule.seq_module import SequenceMixin
+from xmodule.seq_block import SequenceMixin
 from xmodule.studio_editable import StudioEditableBlock
 from xmodule.util.xmodule_django import add_webpack_to_fragment
 from xmodule.validation import StudioValidation, StudioValidationMessage
diff --git a/xmodule/course_block.py b/xmodule/course_block.py
index 99ff1e84cd..406c6a17d1 100644
--- a/xmodule/course_block.py
+++ b/xmodule/course_block.py
@@ -23,7 +23,7 @@ from xmodule import course_metadata_utils
 from xmodule.course_metadata_utils import DEFAULT_GRADING_POLICY, DEFAULT_START_DATE
 from xmodule.data import CertificatesDisplayBehaviors
 from xmodule.graders import grader_from_conf
-from xmodule.seq_module import SequenceBlock
+from xmodule.seq_block import SequenceBlock
 from xmodule.tabs import CourseTabList, InvalidTabsException
 
 from .fields import Date
diff --git a/xmodule/randomize_block.py b/xmodule/randomize_block.py
index cfa1a5424c..15b6bc0f36 100644
--- a/xmodule/randomize_block.py
+++ b/xmodule/randomize_block.py
@@ -8,7 +8,7 @@ from lxml import etree
 from web_fragments.fragment import Fragment
 from xblock.fields import Integer, Scope
 from xmodule.mako_block import MakoTemplateBlockBase
-from xmodule.seq_module import SequenceMixin
+from xmodule.seq_block import SequenceMixin
 from xmodule.xml_module import XmlMixin
 from xmodule.x_module import (
     HTMLSnippet,
diff --git a/xmodule/seq_module.py b/xmodule/seq_block.py
similarity index 99%
rename from xmodule/seq_module.py
rename to xmodule/seq_block.py
index ddeeaf42d8..bd5cba7a01 100644
--- a/xmodule/seq_module.py
+++ b/xmodule/seq_block.py
@@ -615,7 +615,7 @@ class SequenceBlock(
             parent_block_id = self.get_parent().scope_ids.usage_id.block_id
             params['chapter_completion_aggregator_url'] = '/'.join(
                 [settings.COMPLETION_AGGREGATOR_URL, str(self.scope_ids.usage_id.context_key), parent_block_id]) + '/'
-        fragment.add_content(self.runtime.service(self, 'mako').render_template("seq_module.html", params))
+        fragment.add_content(self.runtime.service(self, 'mako').render_template("seq_block.html", params))
 
         self._capture_full_seq_item_metrics(display_items)
         self._capture_current_unit_metrics(display_items)
diff --git a/xmodule/split_test_module.py b/xmodule/split_test_module.py
index 763835d302..51ce967a15 100644
--- a/xmodule/split_test_module.py
+++ b/xmodule/split_test_module.py
@@ -20,7 +20,7 @@ from xblock.fields import Integer, ReferenceValueDict, Scope, String
 from xmodule.mako_block import MakoTemplateBlockBase
 from xmodule.modulestore.inheritance import UserPartitionList
 from xmodule.progress import Progress
-from xmodule.seq_module import ProctoringFields, SequenceMixin
+from xmodule.seq_block import ProctoringFields, SequenceMixin
 from xmodule.studio_editable import StudioEditableBlock
 from xmodule.util.xmodule_django import add_webpack_to_fragment
 from xmodule.validation import StudioValidation, StudioValidationMessage
diff --git a/xmodule/static_content.py b/xmodule/static_content.py
index ff586869e8..d3ef5a4781 100755
--- a/xmodule/static_content.py
+++ b/xmodule/static_content.py
@@ -26,7 +26,7 @@ from xmodule.html_block import AboutBlock, CourseInfoBlock, HtmlBlock, StaticTab
 from xmodule.library_content_block import LibraryContentBlock
 from xmodule.lti_block import LTIBlock
 from xmodule.poll_block import PollBlock
-from xmodule.seq_module import SequenceBlock
+from xmodule.seq_block import SequenceBlock
 from xmodule.split_test_module import SplitTestBlock
 from xmodule.template_module import CustomTagBlock
 from xmodule.word_cloud_module import WordCloudBlock
diff --git a/xmodule/tests/__init__.py b/xmodule/tests/__init__.py
index f268f33b49..4bdb43c9bb 100644
--- a/xmodule/tests/__init__.py
+++ b/xmodule/tests/__init__.py
@@ -183,7 +183,7 @@ class ModelsTest(unittest.TestCase):  # lint-amnesty, pylint: disable=missing-cl
 
     def test_load_class(self):
         vc = XBlock.load_class('sequential')
-        vc_str = "<class 'xmodule.seq_module.SequenceBlock'>"
+        vc_str = "<class 'xmodule.seq_block.SequenceBlock'>"
         assert str(vc) == vc_str
 
 
diff --git a/xmodule/tests/test_sequence.py b/xmodule/tests/test_sequence.py
index bf0e16fb1e..1fb744635c 100644
--- a/xmodule/tests/test_sequence.py
+++ b/xmodule/tests/test_sequence.py
@@ -18,7 +18,7 @@ from web_fragments.fragment import Fragment
 
 from edx_toggles.toggles.testutils import override_waffle_flag
 from openedx.features.content_type_gating.models import ContentTypeGatingConfig
-from xmodule.seq_module import TIMED_EXAM_GATING_WAFFLE_FLAG, SequenceBlock
+from xmodule.seq_block import TIMED_EXAM_GATING_WAFFLE_FLAG, SequenceBlock
 from xmodule.tests import get_test_system
 from xmodule.tests.helpers import StubUserService
 from xmodule.tests.xml import XModuleXmlImportTest
@@ -141,9 +141,9 @@ class SequenceBlockTestCase(XModuleXmlImportTest):
     def test_student_view_init(self):
         module_system = get_test_system()
         module_system.position = 2
-        seq_module = SequenceBlock(runtime=module_system, scope_ids=Mock())
-        seq_module.bind_for_student(module_system, 34)
-        assert seq_module.position == 2
+        seq_block = SequenceBlock(runtime=module_system, scope_ids=Mock())
+        seq_block.bind_for_student(module_system, 34)
+        assert seq_block.position == 2
         # matches position set in the runtime
 
     @ddt.unpack
@@ -165,7 +165,7 @@ class SequenceBlockTestCase(XModuleXmlImportTest):
         assert 'fa fa-check-circle check-circle is-hidden' not in html
 
     # pylint: disable=line-too-long
-    @patch('xmodule.seq_module.SequenceBlock.gate_entire_sequence_if_it_is_a_timed_exam_and_contains_content_type_gated_problems')
+    @patch('xmodule.seq_block.SequenceBlock.gate_entire_sequence_if_it_is_a_timed_exam_and_contains_content_type_gated_problems')
     def test_timed_exam_gating_waffle_flag(self, mocked_function):  # pylint: disable=unused-argument
         """
         Verify the code inside the waffle flag is not executed with the flag off
@@ -209,7 +209,7 @@ class SequenceBlockTestCase(XModuleXmlImportTest):
         )
         assert 'i_am_gated' in view
         # check a few elements to ensure the correct page was loaded
-        assert 'seq_module.html' in view
+        assert 'seq_block.html' in view
         assert 'NextSequential' in view
         assert 'PrevSequential' in view
 
@@ -240,7 +240,7 @@ class SequenceBlockTestCase(XModuleXmlImportTest):
 
     def test_hidden_content_before_due(self):
         html = self._get_rendered_view(self.sequence_4_1)
-        assert 'seq_module.html' in html
+        assert 'seq_block.html' in html
         assert "'banner_text': None" in html
 
     def test_hidden_content_past_due(self):
@@ -259,14 +259,14 @@ class SequenceBlockTestCase(XModuleXmlImportTest):
                 self.sequence_4_1,
                 extra_context=dict(specific_masquerade=True),
             )
-            assert 'seq_module.html' in html
+            assert 'seq_block.html' in html
             html = self.get_context_dict_from_string(html)
             assert 'Because the due date has passed, this assignment is hidden from the learner.' == html['banner_text']
 
     def test_hidden_content_self_paced_past_due_before_end(self):
         with freeze_time(PAST_DUE_BEFORE_END_DATE):
             html = self._get_rendered_view(self.sequence_4_1, self_paced=True)
-            assert 'seq_module.html' in html
+            assert 'seq_block.html' in html
             assert "'banner_text': None" in html
 
     def test_hidden_content_self_paced_past_end(self):
@@ -284,7 +284,7 @@ class SequenceBlockTestCase(XModuleXmlImportTest):
         """
         Assert sequence content is gated
         """
-        assert 'seq_module.html' in html
+        assert 'seq_block.html' in html
         html = self.get_context_dict_from_string(html)
         assert html['banner_text'] is None
         assert [] == html['items']
@@ -299,7 +299,7 @@ class SequenceBlockTestCase(XModuleXmlImportTest):
         """
         Assert sequence is a prerequisite with unfulfilled gates
         """
-        assert 'seq_module.html' in html
+        assert 'seq_block.html' in html
         html = self.get_context_dict_from_string(html)
         assert 'This section is a prerequisite. You must complete this section in order to unlock additional content.' == html['banner_text']
         assert not html['gated_content']['gated']
@@ -313,7 +313,7 @@ class SequenceBlockTestCase(XModuleXmlImportTest):
         """
         Assert sequence is not gated
         """
-        assert 'seq_module.html' in html
+        assert 'seq_block.html' in html
         assert "'banner_text': None" in html
         assert "'gated': False" in html
         assert str(sequence.location) in html
@@ -464,5 +464,5 @@ class SequenceBlockTestCase(XModuleXmlImportTest):
         Retrieve dictionary from string.
         """
         # Replace tuple and un-necessary info from inside string and get the dictionary.
-        cleaned_data = data.replace("(('seq_module.html',\n", '').replace("),\n {})", '').strip()
+        cleaned_data = data.replace("(('seq_block.html',\n", '').replace("),\n {})", '').strip()
         return ast.literal_eval(cleaned_data)
diff --git a/xmodule/tests/test_xml_module.py b/xmodule/tests/test_xml_module.py
index f36782075f..b15dc3529f 100644
--- a/xmodule/tests/test_xml_module.py
+++ b/xmodule/tests/test_xml_module.py
@@ -15,7 +15,7 @@ from xmodule.course_block import CourseBlock
 from xmodule.fields import Date, RelativeTime, Timedelta
 from xmodule.modulestore.inheritance import InheritanceKeyValueStore, InheritanceMixin, InheritingFieldData
 from xmodule.modulestore.split_mongo.split_mongo_kvs import SplitMongoKVS
-from xmodule.seq_module import SequenceBlock
+from xmodule.seq_block import SequenceBlock
 from xmodule.tests import get_test_descriptor_system
 from xmodule.tests.xml import XModuleXmlImportTest
 from xmodule.tests.xml.factories import CourseFactory, ProblemFactory, SequenceFactory
diff --git a/xmodule/vertical_block.py b/xmodule/vertical_block.py
index 34c88830ee..e7c8682188 100644
--- a/xmodule/vertical_block.py
+++ b/xmodule/vertical_block.py
@@ -16,7 +16,7 @@ from xblock.fields import Boolean, Scope
 from openedx_filters.learning.filters import VerticalBlockChildRenderStarted
 from xmodule.mako_block import MakoTemplateBlockBase
 from xmodule.progress import Progress
-from xmodule.seq_module import SequenceFields
+from xmodule.seq_block import SequenceFields
 from xmodule.studio_editable import StudioEditableBlock
 from xmodule.util.misc import is_xblock_an_assignment
 from xmodule.util.xmodule_django import add_webpack_to_fragment