diff --git a/src/src/app/services/app-state-reducer.spec.ts b/src/src/app/services/app-state-reducer.spec.ts
index 91ca3cb3..bf5e3f78 100644
--- a/src/src/app/services/app-state-reducer.spec.ts
+++ b/src/src/app/services/app-state-reducer.spec.ts
@@ -6,6 +6,8 @@ import { Storable } from '../common/storable';
 import { CardType, CardItem } from '../models/card-state';
 import { SavedPage } from '../models/page-state';
 import { AppState } from '../models/app-state';
+import { getCardCacheKey } from '../common/card-cache-operations';
+import { MoveDirection } from '../common/move-direction';
 
 describe('getNewestStorable', () => {
   it('maybeMutateStorable', () => {
@@ -448,9 +450,89 @@ describe('AppService Reducer', () => {
     expect(testState6.currentCards[0]).toBe(card3, 'Failed to insert card at start of the list');
   });
 
-  // 'UPDATE_CARD';
-  // 'REMOVE_CARD';
-  // 'MOVE_CARD';
+  it('UPDATE_CARD', () => {
+    const oldCard: CardItem = {
+      qry: 'G123',
+      data: null,
+      type: CardType.Strongs,
+    };
+
+    const action1 = AppActionFactory.newAddCard(oldCard, null);
+    const preState1 = reducer(preState, action1);
+
+    const newCard: CardItem = {
+      qry: 'H88',
+      data: null,
+      type: CardType.Strongs,
+    };
+
+    const action2 = AppActionFactory.newUpdateCard(newCard, oldCard);
+    const testState = reducer(preState1, action2);
+
+    expect(testState.currentCards[0].qry).toBe('H88', 'Should update the card');
+    expect(testState.cardCache[getCardCacheKey(newCard)].qry).toBe('H88', 'Should exist in card cache');
+    expect(testState.cardCache[getCardCacheKey(oldCard)]).toBeUndefined(
+      'Should be undefined, having been removed from card cache'
+    );
+  });
+
+  it('REMOVE_CARD', () => {
+    const card: CardItem = {
+      qry: 'G123',
+      data: null,
+      type: CardType.Strongs,
+    };
+
+    const action1 = AppActionFactory.newAddCard(card, null);
+    const preState1 = reducer(preState, action1);
+
+    const action2 = AppActionFactory.newRemoveCard(card);
+    const testState = reducer(preState1, action2);
+
+    expect(preState1.currentCards.length).toBe(1, 'Should have added the card in preparation for removing the card');
+    expect(testState.currentCards.length).toBe(0, 'Should have removed the card');
+    expect(testState.cardCache[getCardCacheKey(card)]).toBeUndefined(
+      'Should be undefined, having been removed from card cache'
+    );
+  });
+
+  it('MOVE_CARD', () => {
+    const card1: CardItem = {
+      qry: 'G123',
+      data: null,
+      type: CardType.Strongs,
+    };
+
+    const action1 = AppActionFactory.newAddCard(card1, null);
+    const preState1 = reducer(preState, action1);
+
+    const card2: CardItem = {
+      qry: 'H88',
+      data: null,
+      type: CardType.Strongs,
+    };
+    const action2 = AppActionFactory.newAddCard(card2, null);
+    const preState2 = reducer(preState1, action2);
+    expect(preState2.currentCards.length).toBe(2, 'Should have two cards');
+    expect(preState2.currentCards[0].qry).toBe('G123');
+    expect(preState2.currentCards[1].qry).toBe('H88');
+
+    const action3 = AppActionFactory.newMoveCard(card2, MoveDirection.Up);
+    const testState1 = reducer(preState2, action3);
+    expect(testState1.currentCards[0].qry).toBe('H88');
+    expect(testState1.currentCards[1].qry).toBe('G123');
+    const testState4 = reducer(preState2, action3);
+    expect(testState4.currentCards[0].qry).toBe('H88');
+    expect(testState4.currentCards[1].qry).toBe('G123');
+
+    const action4 = AppActionFactory.newMoveCard(card1, MoveDirection.Down);
+    const testState2 = reducer(preState2, action4);
+    expect(testState2.currentCards[0].qry).toBe('H88');
+    expect(testState2.currentCards[1].qry).toBe('G123');
+    const testState3 = reducer(preState2, action4);
+    expect(testState3.currentCards[0].qry).toBe('H88');
+    expect(testState3.currentCards[1].qry).toBe('G123');
+  });
 
   //#endregion
 
diff --git a/src/src/app/services/app-state-reducer.ts b/src/src/app/services/app-state-reducer.ts
index 4b0f8acc..27a276d8 100644
--- a/src/src/app/services/app-state-reducer.ts
+++ b/src/src/app/services/app-state-reducer.ts
@@ -66,6 +66,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
         settings: item,
       };
     }
+
     case 'UPDATE_CARD_FONT_SIZE': {
       const settings = new Storable<Settings>({
         ...state.settings.value,
@@ -80,6 +81,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
         settings,
       });
     }
+
     case 'UPDATE_CARD_FONT_FAMILY': {
       const settings = new Storable<Settings>({
         ...state.settings.value,
@@ -130,6 +132,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
         savedPages, // update the savedPages
       };
     }
+
     case 'UPDATE_SAVED_PAGE': {
       const newSavedPages = new Storable<SavedPage[]>(
         state.savedPages.value.map((o) => {
@@ -143,6 +146,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
       const savedPages = getNewestStorable(newSavedPages, state.savedPages);
       return reducer(state, AppActionFactory.newUpdateSavedPages(savedPages));
     }
+
     case 'REMOVE_SAVED_PAGE': {
       const savedPages = new Storable<SavedPage[]>(state.savedPages.value.filter((o) => o.id !== action.savedPage.id));
       const item = getNewestStorable(savedPages, state.savedPages);
@@ -153,6 +157,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
         savedPages: item,
       };
     }
+
     case 'UPDATE_CURRENT_PAGE': {
       const current = {
         id: state.currentSavedPage.id,
@@ -173,6 +178,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
         savedPages: item,
       };
     }
+
     case 'SAVE_PAGE': {
       const savedPages = new Storable([
         ...(state.savedPages ? state.savedPages.value : []),
@@ -189,6 +195,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
         savedPages,
       });
     }
+
     case 'MOVE_SAVED_PAGE_CARD': {
       const queries = moveItem(action.savedPage.queries, action.fromIndex, action.toIndex);
       const savedPage = {
@@ -198,6 +205,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
 
       return reducer(state, AppActionFactory.newUpdateSavedPage(savedPage));
     }
+
     case 'ADD_CARD_TO_SAVED_PAGE': {
       const savedPages = new Storable([
         ...(state.savedPages ? state.savedPages.value : []).map((o) => {
@@ -256,6 +264,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
         cardCache: updateInCardCache(action.card, state.cardCache),
       };
     }
+
     case 'UPDATE_CARD': {
       return {
         ...state,
@@ -268,6 +277,7 @@ export function reducer(state: AppState, action: AppAction): AppState {
         cardCache: updateInCardCache(action.newCard, removeFromCardCache(action.oldCard, state.cardCache)),
       };
     }
+
     case 'REMOVE_CARD': {
       // potentially remove card from a saved page.
       const currentSavedPage =