diff --git a/js/make-a-ten/common/model/ArithmeticRules.js b/js/make-a-ten/common/model/ArithmeticRules.js
index a6c9716..fba97f3 100644
--- a/js/make-a-ten/common/model/ArithmeticRules.js
+++ b/js/make-a-ten/common/model/ArithmeticRules.js
@@ -48,7 +48,7 @@ inherit( Object, ArithmeticRules, {}, {
    * - If our number is 102, and our pulledPlace is 2 (mouse at the 1), it will pull 100 off.
    *
    * @param {number} numberValue - Numeric value that could potentially be pulled apart.
-   * @param {number} pulledPlace - Location in number where the user dragged. 0 is the 1s place, 1 is the 10s place, 2
+   * @param {number} pulledPlace - Position in number where the user dragged. 0 is the 1s place, 1 is the 10s place, 2
    *                 is the 100s place, and 3 is the 1000s place.
    * @returns {number} - How much to remove from numberValue (0 indicates can't be pulled off)
    */
@@ -90,4 +90,4 @@ inherit( Object, ArithmeticRules, {}, {
   }
 } );
 
-export default ArithmeticRules;
\ No newline at end of file
+export default ArithmeticRules;
diff --git a/js/make-a-ten/common/model/MakeATenCommonModel.js b/js/make-a-ten/common/model/MakeATenCommonModel.js
index 51701a8..bef1647 100644
--- a/js/make-a-ten/common/model/MakeATenCommonModel.js
+++ b/js/make-a-ten/common/model/MakeATenCommonModel.js
@@ -43,7 +43,7 @@ inherit( Object, MakeATenCommonModel, {
    * Given two paper numbers, combine them (set one's value to the sum of their previous values, and remove the
    * other).
    *
-   * @param {Bounds2} availableModelBounds - Constrain the location to be inside these bounds
+   * @param {Bounds2} availableModelBounds - Constrain the position to be inside these bounds
    * @param {PaperNumber} draggedPaperNumber
    * @param {PaperNumber} dropTargetNumber
    */
@@ -125,7 +125,7 @@ inherit( Object, MakeATenCommonModel, {
   },
 
   /**
-   * @param {Bounds2} availableModelBounds - Constrain the location to be inside these bounds
+   * @param {Bounds2} availableModelBounds - Constrain the position to be inside these bounds
    * @param {PaperNumber} paperNumber1
    * @param {PaperNumber} paperNumber2
    */
@@ -156,4 +156,4 @@ inherit( Object, MakeATenCommonModel, {
   }
 } );
 
-export default MakeATenCommonModel;
\ No newline at end of file
+export default MakeATenCommonModel;
diff --git a/js/make-a-ten/common/model/PaperNumber.js b/js/make-a-ten/common/model/PaperNumber.js
index 08760b2..57c0f7d 100644
--- a/js/make-a-ten/common/model/PaperNumber.js
+++ b/js/make-a-ten/common/model/PaperNumber.js
@@ -46,7 +46,7 @@ function PaperNumber( numberValue, initialPosition ) {
   // @public {Vector2} - Destination is used for animation, and should be set through accessor methods only.
   this.destination = initialPosition.copy(); // @private
 
-  // @public {boolean} - Whether this element is animating from one location to another, do not set externally.
+  // @public {boolean} - Whether this element is animating from one position to another, do not set externally.
   this.animating = false;
 
   // @public {Array.<BaseNumber>} - Represents the non-zero place values in this number. 1034 will have three place
@@ -237,7 +237,7 @@ inherit( Object, PaperNumber, {
 
     const result = [];
 
-    // Divide by 10 each loop, using the remainder and place location to create the place numbers.
+    // Divide by 10 each loop, using the remainder and place index to create the place numbers.
     let remainder = number;
     let place = 0;
     while ( remainder ) {
@@ -277,4 +277,4 @@ inherit( Object, PaperNumber, {
   }
 } );
 
-export default PaperNumber;
\ No newline at end of file
+export default PaperNumber;
diff --git a/js/make-a-ten/common/view/BaseNumberNode.js b/js/make-a-ten/common/view/BaseNumberNode.js
index 83c4604..a385c53 100644
--- a/js/make-a-ten/common/view/BaseNumberNode.js
+++ b/js/make-a-ten/common/view/BaseNumberNode.js
@@ -58,7 +58,7 @@ const DIGIT_X_OFFSET = { 1: 93, 2: -7, 3: -7, 4: -9, 5: -18, 6: -5, 7: -24, 8: -
 // digit => horizontal offset, customized for each single digit base number
 const FIRST_PLACE_DIGIT_X_OFFSET = { 1: -61, 2: 0, 3: 0, 4: 0, 5: 5, 6: 0, 7: 15, 8: 10, 9: 15 };
 
-// place => horizontal locations of the zeros in the base number
+// place => horizontal positions of the zeros in the base number
 const ZERO_OFFSET = {
   0: [],
   1: [ 335 ],
@@ -79,7 +79,7 @@ const SCALE = 72 / 300;
 function BaseNumberNode( baseNumber, opacity ) {
   Node.call( this, { scale: SCALE } );
 
-  // Location of the initial digit
+  // Position of the initial digit
   let x = PLACE_X_OFFSET[ baseNumber.place ] + DIGIT_X_OFFSET[ baseNumber.digit ];
   const y = PLACE_Y_OFFSET[ baseNumber.place ];
 
@@ -134,4 +134,4 @@ inherit( Node, BaseNumberNode, {}, {
   ]
 } );
 
-export default BaseNumberNode;
\ No newline at end of file
+export default BaseNumberNode;