diff --git a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/hooks.js b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/hooks.js
index 1fb8fa6a8..5f10f2289 100644
--- a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/hooks.js
+++ b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/hooks.js
@@ -164,7 +164,7 @@ export const scoringCardHooks = (scoring, updateSettings, defaultValue) => {
 
   const handleWeightChange = (event) => {
     let weight = parseFloat(event.target.value);
-    if (_.isNaN(weight)) {
+    if (_.isNaN(weight) || weight < 0) {
       weight = 0;
     }
     updateSettings({ scoring: { ...scoring, weight } });
@@ -198,7 +198,7 @@ export const useAnswerSettings = (showAnswer, updateSettings) => {
 
   const handleAttemptsChange = (event) => {
     let attempts = parseInt(event.target.value, 10);
-    if (_.isNaN(attempts)) {
+    if (_.isNaN(attempts) || attempts < 0) {
       attempts = 0;
     }
     updateSettings({ showAnswer: { ...showAnswer, afterAttempts: attempts } });
@@ -214,7 +214,7 @@ export const useAnswerSettings = (showAnswer, updateSettings) => {
 export const timerCardHooks = (updateSettings) => ({
   handleChange: (event) => {
     let time = parseInt(event.target.value, 10);
-    if (_.isNaN(time)) {
+    if (_.isNaN(time) || time < 0) {
       time = 0;
     }
     updateSettings({ timeBetween: time });
diff --git a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/ScoringCard.jsx b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/ScoringCard.jsx
index d7710313c..3935c7cb7 100644
--- a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/ScoringCard.jsx
+++ b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/ScoringCard.jsx
@@ -49,6 +49,8 @@ const ScoringCard = ({
       <Form.Group>
         <Form.Control
           type="number"
+          min={0}
+          step={0.1}
           value={scoring.weight}
           onChange={handleWeightChange}
           floatingLabel={intl.formatMessage(messages.scoringWeightInputLabel)}
@@ -59,6 +61,8 @@ const ScoringCard = ({
       </Form.Group>
       <Form.Group>
         <Form.Control
+          type="number"
+          min={0}
           value={attemptDisplayValue}
           onChange={handleOnChange}
           onBlur={handleMaxAttemptChange}
diff --git a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/ShowAnswerCard.jsx b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/ShowAnswerCard.jsx
index eb2690194..77a2163c6 100644
--- a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/ShowAnswerCard.jsx
+++ b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/ShowAnswerCard.jsx
@@ -69,6 +69,7 @@ const ShowAnswerCard = ({
         <Form.Group className="pb-0 mb-0 mt-4">
           <Form.Control
             type="number"
+            min={0}
             value={showAnswer.afterAttempts}
             onChange={handleAttemptsChange}
             floatingLabel={intl.formatMessage(messages.showAnswerAttemptsInputLabel)}
diff --git a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/TimerCard.jsx b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/TimerCard.jsx
index 33032b529..be4a3fe77 100644
--- a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/TimerCard.jsx
+++ b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/TimerCard.jsx
@@ -27,6 +27,7 @@ const TimerCard = ({
       <Form.Group>
         <Form.Control
           type="number"
+          min={0}
           value={timeBetween}
           onChange={handleChange}
           floatingLabel={intl.formatMessage(messages.timerInputLabel)}
diff --git a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/Tolerance/index.jsx b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/Tolerance/index.jsx
index 150a2f39b..96d732657 100644
--- a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/Tolerance/index.jsx
+++ b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/Tolerance/index.jsx
@@ -24,7 +24,11 @@ export const handleToleranceTypeChange = ({ updateSettings, tolerance, answers }
 
 export const handleToleranceValueChange = ({ updateSettings, tolerance, answers }) => (event) => {
   if (!isAnswerRangeSet({ answers })) {
-    const newTolerance = { value: event.target.value, type: tolerance.type };
+    let value = parseFloat(event.target.value);
+    if (value < 0) {
+      value = 0;
+    }
+    const newTolerance = { value, type: tolerance.type };
     updateSettings({ tolerance: newTolerance });
   }
 };
@@ -92,6 +96,8 @@ const ToleranceCard = ({
           <Form.Control
             className="mt-4"
             type="number"
+            min={0}
+            step={0.1}
             value={tolerance.value}
             onChange={handleToleranceValueChange({ updateSettings, tolerance, answers })}
             floatingLabel={intl.formatMessage(messages.toleranceValueInputLabel)}
diff --git a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/Tolerance/index.test.jsx b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/Tolerance/index.test.jsx
index d429128cc..f781f097d 100644
--- a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/Tolerance/index.test.jsx
+++ b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/Tolerance/index.test.jsx
@@ -138,7 +138,7 @@ describe('ToleranceCard', () => {
       const { queryByTestId } = render(<ToleranceCard tolerance={mockToleranceNull} {...props} />);
       expect(queryByTestId('input')).toBeFalsy();
     });
-    it('Renders with intial value of tolerance', async () => {
+    it('Renders with initial value of tolerance', async () => {
       const { queryByTestId } = render(<ToleranceCard tolerance={mockToleranceNumber} {...props} />);
       expect(queryByTestId('input')).toBeTruthy();
       expect(screen.getByDisplayValue('0')).toBeTruthy();
@@ -146,7 +146,12 @@ describe('ToleranceCard', () => {
     it('Calls change function on change.', () => {
       const { queryByTestId } = render(<ToleranceCard tolerance={mockToleranceNumber} {...props} />);
       fireEvent.change(queryByTestId('input'), { target: { value: 52 } });
-      expect(props.updateSettings).toHaveBeenCalledWith({ tolerance: { type: ToleranceTypes.number.type, value: '52' } });
+      expect(props.updateSettings).toHaveBeenCalledWith({ tolerance: { type: ToleranceTypes.number.type, value: 52 } });
+    });
+    it('Resets negative value on change.', () => {
+      const { queryByTestId } = render(<ToleranceCard tolerance={mockToleranceNumber} {...props} />);
+      fireEvent.change(queryByTestId('input'), { target: { value: -52 } });
+      expect(props.updateSettings).toHaveBeenCalledWith({ tolerance: { type: ToleranceTypes.number.type, value: 0 } });
     });
   });
 });
diff --git a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/__snapshots__/ScoringCard.test.jsx.snap b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/__snapshots__/ScoringCard.test.jsx.snap
index e6e044d92..9f07b02d0 100644
--- a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/__snapshots__/ScoringCard.test.jsx.snap
+++ b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/__snapshots__/ScoringCard.test.jsx.snap
@@ -20,7 +20,9 @@ exports[`ScoringCard snapshot snapshot: scoring setting card 1`] = `
   <Form.Group>
     <Form.Control
       floatingLabel="Points"
+      min={0}
       onChange={[MockFunction scoringCardHooks.handleWeightChange]}
+      step={0.1}
       type="number"
       value={1.5}
     />
@@ -36,8 +38,10 @@ exports[`ScoringCard snapshot snapshot: scoring setting card 1`] = `
     <Form.Control
       disabled={false}
       floatingLabel="Attempts"
+      min={0}
       onBlur={[MockFunction scoringCardHooks.handleMaxAttemptChange]}
       onChange={[MockFunction scoringCardHooks.handleOnChange]}
+      type="number"
     />
     <Form.Control.Feedback>
       <FormattedMessage
@@ -95,7 +99,9 @@ exports[`ScoringCard snapshot snapshot: scoring setting card max attempts 1`] =
   <Form.Group>
     <Form.Control
       floatingLabel="Points"
+      min={0}
       onChange={[MockFunction scoringCardHooks.handleWeightChange]}
+      step={0.1}
       type="number"
       value={1.5}
     />
@@ -111,8 +117,10 @@ exports[`ScoringCard snapshot snapshot: scoring setting card max attempts 1`] =
     <Form.Control
       disabled={true}
       floatingLabel="Attempts"
+      min={0}
       onBlur={[MockFunction scoringCardHooks.handleMaxAttemptChange]}
       onChange={[MockFunction scoringCardHooks.handleOnChange]}
+      type="number"
     />
     <Form.Control.Feedback>
       <FormattedMessage
@@ -170,7 +178,9 @@ exports[`ScoringCard snapshot snapshot: scoring setting card zero zero weight 1`
   <Form.Group>
     <Form.Control
       floatingLabel="Points"
+      min={0}
       onChange={[MockFunction scoringCardHooks.handleWeightChange]}
+      step={0.1}
       type="number"
       value={0}
     />
@@ -186,8 +196,10 @@ exports[`ScoringCard snapshot snapshot: scoring setting card zero zero weight 1`
     <Form.Control
       disabled={false}
       floatingLabel="Attempts"
+      min={0}
       onBlur={[MockFunction scoringCardHooks.handleMaxAttemptChange]}
       onChange={[MockFunction scoringCardHooks.handleOnChange]}
+      type="number"
     />
     <Form.Control.Feedback>
       <FormattedMessage
diff --git a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/__snapshots__/TimerCard.test.jsx.snap b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/__snapshots__/TimerCard.test.jsx.snap
index 4b96e0d50..8204e4a01 100644
--- a/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/__snapshots__/TimerCard.test.jsx.snap
+++ b/src/editors/containers/ProblemEditor/components/EditProblemView/SettingsWidget/settingsComponents/__snapshots__/TimerCard.test.jsx.snap
@@ -22,6 +22,7 @@ exports[`TimerCard snapshot snapshot: renders reset true setting card 1`] = `
   <Form.Group>
     <Form.Control
       floatingLabel="Seconds"
+      min={0}
       onChange={[MockFunction timerCardHooks.handleChange]}
       type="number"
       value={5}
diff --git a/src/editors/containers/ProblemEditor/data/OLXParser.js b/src/editors/containers/ProblemEditor/data/OLXParser.js
index e9a12348f..8a5e29050 100644
--- a/src/editors/containers/ProblemEditor/data/OLXParser.js
+++ b/src/editors/containers/ProblemEditor/data/OLXParser.js
@@ -418,7 +418,7 @@ export class OLXParser {
         [type]: defaultValue,
       };
     }
-    const isAnswerRange = /[([]\d*,\d*[)\]]/gm.test(numericalresponse['@_answer']);
+    const isAnswerRange = /[([]\s*\d*,\s*\d*\s*[)\]]/gm.test(numericalresponse['@_answer']);
     answers.push({
       id: indexToLetterMap[answers.length],
       title: numericalresponse['@_answer'],
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseDetails.jsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseDetails.jsx
index 45937efea..375c287b0 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseDetails.jsx
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseDetails.jsx
@@ -123,7 +123,7 @@ const LicenseDetails = ({
                     </Form.Label>
                     <ActionRow.Spacer />
                     <CheckboxControl
-                      cchecked={details.shareAlike}
+                      checked={details.shareAlike}
                       disabled={level === LicenseLevel.course}
                       onChange={(e) => updateField({
                         licenseDetails: {
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseDisplay.jsx b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseDisplay.jsx
index a7799eb74..a67d40607 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseDisplay.jsx
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/LicenseDisplay.jsx
@@ -28,13 +28,15 @@ const LicenseDisplay = ({
           <LicenseBlurb license={license} details={details} />
           <div className="x-small mt-3">{licenseDescription}</div>
         </div>
-        <Hyperlink
-          className="text-primary-500 x-small"
-          destination="https://creativecommons.org/about"
-          target="_blank"
-        >
-          <FormattedMessage {...messages.viewLicenseDetailsLabel} />
-        </Hyperlink>
+        {license === LicenseTypes.creativeCommons && (
+          <Hyperlink
+            className="text-primary-500 x-small"
+            destination="https://creativecommons.org/about"
+            target="_blank"
+          >
+            <FormattedMessage {...messages.viewLicenseDetailsLabel} />
+          </Hyperlink>
+        )}
       </Stack>
     );
   }
diff --git a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/LicenseDisplay.test.jsx.snap b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/LicenseDisplay.test.jsx.snap
index 488422c90..655802d54 100644
--- a/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/LicenseDisplay.test.jsx.snap
+++ b/src/editors/containers/VideoEditor/components/VideoSettingsModal/components/LicenseWidget/__snapshots__/LicenseDisplay.test.jsx.snap
@@ -26,17 +26,6 @@ exports[`LicenseDisplay snapshots snapshots: renders as expected with default pr
       FormattedMessage component with license description
     </div>
   </div>
-  <Hyperlink
-    className="text-primary-500 x-small"
-    destination="https://creativecommons.org/about"
-    target="_blank"
-  >
-    <FormattedMessage
-      defaultMessage="View license details"
-      description="Label for view license details button"
-      id="authoring.videoeditor.license.viewLicenseDetailsLabel.label"
-    />
-  </Hyperlink>
 </Stack>
 `;
 
@@ -66,17 +55,6 @@ exports[`LicenseDisplay snapshots snapshots: renders as expected with level set
       FormattedMessage component with license description
     </div>
   </div>
-  <Hyperlink
-    className="text-primary-500 x-small"
-    destination="https://creativecommons.org/about"
-    target="_blank"
-  >
-    <FormattedMessage
-      defaultMessage="View license details"
-      description="Label for view license details button"
-      id="authoring.videoeditor.license.viewLicenseDetailsLabel.label"
-    />
-  </Hyperlink>
 </Stack>
 `;
 
@@ -148,16 +126,5 @@ exports[`LicenseDisplay snapshots snapshots: renders as expected with level set
       FormattedMessage component with license description
     </div>
   </div>
-  <Hyperlink
-    className="text-primary-500 x-small"
-    destination="https://creativecommons.org/about"
-    target="_blank"
-  >
-    <FormattedMessage
-      defaultMessage="View license details"
-      description="Label for view license details button"
-      id="authoring.videoeditor.license.viewLicenseDetailsLabel.label"
-    />
-  </Hyperlink>
 </Stack>
 `;