diff --git a/src/mathed/InsetMathArray.cpp b/src/mathed/InsetMathArray.cpp
index 4c4a6905fa..544d6a47d1 100644
--- a/src/mathed/InsetMathArray.cpp
+++ b/src/mathed/InsetMathArray.cpp
@@ -64,7 +64,7 @@ InsetMathArray::InsetMathArray(docstring const & name, docstring const & str)
 	}
 
 	for (row_type row = 1; row < dat.size(); ++row)
-		appendRow(0);
+		addRow(0);
 	for (col_type col = 1; col < dat[0].size(); ++col)
 		addCol(0);
 	for (row_type row = 0; row < dat.size(); ++row)
diff --git a/src/mathed/InsetMathGrid.cpp b/src/mathed/InsetMathGrid.cpp
index b82d2c61fe..74cb45edb7 100644
--- a/src/mathed/InsetMathGrid.cpp
+++ b/src/mathed/InsetMathGrid.cpp
@@ -679,7 +679,7 @@ docstring InsetMathGrid::eocString(col_type col, col_type lastcol) const
 }
 
 
-void InsetMathGrid::appendRow(row_type row)
+void InsetMathGrid::addRow(row_type row)
 {
 	rowinfo_.insert(rowinfo_.begin() + row + 1, RowInfo());
 	cells_.insert
@@ -717,7 +717,7 @@ void InsetMathGrid::delRow(row_type row)
 
 void InsetMathGrid::copyRow(row_type row)
 {
-	appendRow(row);
+	addRow(row);
 	for (col_type col = 0; col < ncols(); ++col)
 		cells_[(row + 1) * ncols() + col] = cells_[row * ncols() + col];
 }
@@ -1122,7 +1122,7 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
 	case LFUN_BREAK_LINE: {
 		recordUndoInset(cur);
 		row_type const r = cur.row();
-		appendRow(r);
+		addRow(r);
 
 		// split line
 		for (col_type c = col(cur.idx()) + 1; c < ncols(); ++c)
@@ -1160,7 +1160,7 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
 			halign('c', cur.col());
 		else if (s == "append-row")
 			for (int i = 0, n = extractInt(is); i < n; ++i)
-				appendRow(cur.row());
+				addRow(cur.row());
 		else if (s == "delete-row") {
 			cur.clearSelection(); // bug 4323
 			for (int i = 0, n = extractInt(is); i < n; ++i) {
@@ -1197,7 +1197,7 @@ void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
 			row_type const r = cur.row();
 			col_type const c = cur.col();
 			for (int i = 0, n = extractInt(is); i < n; ++i)
-				addCol(cur.col() + 1);
+				addCol(cur.col());
 			cur.idx() = index(r, c);
 		}
 		else if (s == "delete-column") {
diff --git a/src/mathed/InsetMathGrid.h b/src/mathed/InsetMathGrid.h
index 4cf9cf00ac..6d80ad6a4e 100644
--- a/src/mathed/InsetMathGrid.h
+++ b/src/mathed/InsetMathGrid.h
@@ -169,15 +169,15 @@ public:
 	/// pulls cell after pressing erase
 	void idxGlue(idx_type idx);
 
-	/// add a row, one row down
-	virtual void appendRow(row_type r);
+	/// add a row
+	virtual void addRow(row_type r);
 	/// delete a row
 	virtual void delRow(row_type r);
 	/// copy a row
 	virtual void copyRow(row_type r);
 	/// swap two rows
 	virtual void swapRow(row_type r);
-	/// add a column, here
+	/// add a column
 	virtual void addCol(col_type c);
 	/// delete a column
 	virtual void delCol(col_type c);
diff --git a/src/mathed/InsetMathHull.cpp b/src/mathed/InsetMathHull.cpp
index d683859099..f63d308fec 100644
--- a/src/mathed/InsetMathHull.cpp
+++ b/src/mathed/InsetMathHull.cpp
@@ -630,7 +630,7 @@ void InsetMathHull::addRow(row_type row)
 		return;
 	nonum_.insert(nonum_.begin() + row + 1, !numberedType());
 	label_.insert(label_.begin() + row + 1, docstring());
-	InsetMathGrid::appendRow(row);
+	InsetMathGrid::addRow(row);
 }
 
 
@@ -1031,7 +1031,7 @@ void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
 #ifdef WITH_WARNINGS
 #warning temporarily disabled
 #endif
-		appendRow(cur.row());
+		addRow(cur.row());
 		++cur.idx();
 		++cur.idx();
 		cur.cell() = eq;
diff --git a/src/mathed/MathParser.cpp b/src/mathed/MathParser.cpp
index e5a937e708..60861297fc 100644
--- a/src/mathed/MathParser.cpp
+++ b/src/mathed/MathParser.cpp
@@ -116,7 +116,7 @@ bool addRow(InsetMathGrid & grid, InsetMathGrid::row_type & cellrow,
 	++cellrow;
 	if (cellrow == grid.nrows()) {
 		//lyxerr << "adding row " << cellrow << endl;
-		grid.appendRow(cellrow - 1);
+		grid.addRow(cellrow - 1);
 		if (cellrow == grid.nrows()) {
 			// We can't add a row to this grid, so let's
 			// append the content of this cell to the previous