diff --git a/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/component-grading.component.ts b/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/component-grading.component.ts
index 98f3325f07..00b9100909 100644
--- a/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/component-grading.component.ts
+++ b/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/component-grading.component.ts
@@ -13,7 +13,7 @@ export abstract class ComponentGrading {
   componentState: any;
 
   @Input()
-  isRevision: any = false;
+  isRevision: boolean = false;
 
   componentContent: any;
 
@@ -25,6 +25,5 @@ export abstract class ComponentGrading {
       this.nodeId,
       this.componentId
     );
-    this.isRevision = this.isRevision === 'true';
   }
 }
diff --git a/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/workgroupComponentGrading/workgroupComponentGrading.html b/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/workgroupComponentGrading/workgroupComponentGrading.html
index 8af58d137b..beebe1ce4d 100644
--- a/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/workgroupComponentGrading/workgroupComponentGrading.html
+++ b/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/workgroupComponentGrading/workgroupComponentGrading.html
@@ -1,5 +1,9 @@
 <ng-content ng-switch="::$ctrl.component.type">
-  <div ng-switch-when="AudioOscillator|ConceptMap|Discussion|Draw|Graph|Label|Match|MultipleChoice|OpenResponse|Table" ng-switch-when-separator="|" class="component__content" layout="row" layout-wrap>
+  <div ng-switch-when="AudioOscillator|ConceptMap|Discussion|Draw|Graph|Label|Match|MultipleChoice|OpenResponse|Table"
+      ng-switch-when-separator="|"
+      class="component__content"
+      layout="row"
+      layout-wrap>
     <div flex="100" flex-gt-sm="66" layout="column" class="component--grading__response">
       <ng-content ng-if="$ctrl.latestComponentState != null && $ctrl.latestComponentState !== ''">
         <audio-oscillator-grading
diff --git a/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/workgroupComponentRevisions/workgroupComponentRevisions.ts b/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/workgroupComponentRevisions/workgroupComponentRevisions.ts
index 57f780f7f5..abea11f27a 100644
--- a/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/workgroupComponentRevisions/workgroupComponentRevisions.ts
+++ b/src/assets/wise5/classroomMonitor/classroomMonitorComponents/shared/workgroupComponentRevisions/workgroupComponentRevisions.ts
@@ -173,7 +173,7 @@ const WorkgroupComponentRevisions = {
                                           component-id="{{::$ctrl.componentId}}"
                                           component-state="{{ item.componentState }}"
                                           workgroup-id="{{::$ctrl.workgroupId}}"
-                                          is-revision="true">
+                                          [is-revision]="true">
                                       </concept-map-grading>
                                       <discussion-grading
                                           ng-if="item.componentState.componentType === 'Discussion'"
@@ -188,7 +188,7 @@ const WorkgroupComponentRevisions = {
                                           component-id="{{::$ctrl.componentId}}"
                                           component-state="{{ item.componentState }}"
                                           workgroup-id="{{::$ctrl.workgroupId}}"
-                                          is-revision="true">
+                                          [is-revision]="true">
                                       </draw-grading>
                                       <graph-grading
                                           ng-if="item.componentState.componentType === 'Graph'"
@@ -196,7 +196,7 @@ const WorkgroupComponentRevisions = {
                                           component-id="{{::$ctrl.componentId}}"
                                           component-state="{{ item.componentState }}"
                                           workgroup-id="::$ctrl.workgroupId"
-                                          is-revision="true">
+                                          [is-revision]="true">
                                       </graph-grading>
                                       <label-grading
                                           ng-if="item.componentState.componentType === 'Label'"
@@ -204,7 +204,7 @@ const WorkgroupComponentRevisions = {
                                           component-id="{{::$ctrl.componentId}}"
                                           component-state="{{ item.componentState }}"
                                           workgroup-id="{{::$ctrl.workgroupId}}"
-                                          is-revision="true">
+                                          [is-revision]="true">
                                       </label-grading>
                                       <match-grading
                                           ng-if="item.componentState.componentType === 'Match'"