diff --git a/src/activities/magic-hat-minus/MagicHat.qml b/src/activities/magic-hat-minus/MagicHat.qml
--- a/src/activities/magic-hat-minus/MagicHat.qml
+++ b/src/activities/magic-hat-minus/MagicHat.qml
@@ -65,7 +65,7 @@
             property GCSfx audioEffects: activity.audioEffects
             property alias bar: bar
             property var levels: activity.datasetLoader.item.data
-            property var maxValue: activity.datasetLoader.item.maxValue
+            property int maxValue: activity.datasetLoader.item.maxValue
             property alias bonus: bonus
             property alias hat: theHat
             property alias introductionText: introText
diff --git a/src/activities/magic-hat-minus/StarsBar.qml b/src/activities/magic-hat-minus/StarsBar.qml
--- a/src/activities/magic-hat-minus/StarsBar.qml
+++ b/src/activities/magic-hat-minus/StarsBar.qml
@@ -32,7 +32,6 @@
     property bool authorizeClick: false
     property int coefficient: 1
     property bool coefficientVisible: false
-    property var maxRange
     property int starsSize
     property string backgroundColor
     property string starsColor: "1"
@@ -46,7 +45,8 @@
         GCText {
             id: text
             visible: item.coefficientVisible
-            text: qsTr("%1%2").arg(item.coefficient).arg("x")
+            //: text displaying coefficient with which the set of stars is to be multiplied along with multipli.
+            text: qsTr("%1x").arg(item.coefficient)
             fontSizeMode: Text.HorizontalFit
             width: rowlayout.width / 10
             color: "white"
diff --git a/src/activities/magic-hat-minus/resource/1/Data.qml b/src/activities/magic-hat-minus/resource/1/Data.qml
--- a/src/activities/magic-hat-minus/resource/1/Data.qml
+++ b/src/activities/magic-hat-minus/resource/1/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-    objective: qsTr("Learn to calculate remaining stars upto 5")
+    objective: qsTr("Learn to calculate remaining stars up to 5")
     difficulty: 1
     property int maxValue: 10
     data: [
diff --git a/src/activities/magic-hat-minus/resource/2/Data.qml b/src/activities/magic-hat-minus/resource/2/Data.qml
--- a/src/activities/magic-hat-minus/resource/2/Data.qml
+++ b/src/activities/magic-hat-minus/resource/2/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-    objective: qsTr("Learn to calculate remaining stars upto 10")
+    objective: qsTr("Learn to calculate remaining stars up to 10")
     difficulty: 2
     property int maxValue: 10
     data: [
diff --git a/src/activities/magic-hat-minus/resource/3/Data.qml b/src/activities/magic-hat-minus/resource/3/Data.qml
--- a/src/activities/magic-hat-minus/resource/3/Data.qml
+++ b/src/activities/magic-hat-minus/resource/3/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-    objective: qsTr("Learn to calculate remaining stars upto 30")
+    objective: qsTr("Learn to calculate remaining stars up to 30")
     difficulty: 3
     property int maxValue: 10
     data: [
diff --git a/src/activities/magic-hat-minus/resource/4/Data.qml b/src/activities/magic-hat-minus/resource/4/Data.qml
--- a/src/activities/magic-hat-minus/resource/4/Data.qml
+++ b/src/activities/magic-hat-minus/resource/4/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-    objective: qsTr("Learn to calculate remaining stars upto 100 with coefficients")
+    objective: qsTr("Learn to calculate remaining stars up to 100 with coefficients")
     difficulty: 4
     property int maxValue: 100
     data: [
diff --git a/src/activities/magic-hat-minus/resource/5/Data.qml b/src/activities/magic-hat-minus/resource/5/Data.qml
--- a/src/activities/magic-hat-minus/resource/5/Data.qml
+++ b/src/activities/magic-hat-minus/resource/5/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-    objective: qsTr("Learn to calculate remaining stars upto 1000 with coefficients")
+    objective: qsTr("Learn to calculate remaining stars up to 1000 with coefficients")
     difficulty: 5
     property int maxValue: 1000
     data: [
diff --git a/src/activities/magic-hat-minus/resource/6/Data.qml b/src/activities/magic-hat-minus/resource/6/Data.qml
--- a/src/activities/magic-hat-minus/resource/6/Data.qml
+++ b/src/activities/magic-hat-minus/resource/6/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-    objective: qsTr("Learn to calculate remaining stars upto 1000 with coefficients")
+    objective: qsTr("Learn to calculate remaining stars up to 1000 with coefficients")
     difficulty: 6
     property int maxValue: 10000
     data: [
diff --git a/src/activities/magic-hat-plus/resource/1/Data.qml b/src/activities/magic-hat-plus/resource/1/Data.qml
--- a/src/activities/magic-hat-plus/resource/1/Data.qml
+++ b/src/activities/magic-hat-plus/resource/1/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-   objective: qsTr("Learn to calculate total stars upto 5")
+   objective: qsTr("Learn to calculate total stars up to 5")
    difficulty: 1
    property int maxValue: 5
    data: [
diff --git a/src/activities/magic-hat-plus/resource/2/Data.qml b/src/activities/magic-hat-plus/resource/2/Data.qml
--- a/src/activities/magic-hat-plus/resource/2/Data.qml
+++ b/src/activities/magic-hat-plus/resource/2/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-   objective: qsTr("Learn to calculate total stars upto 10")
+   objective: qsTr("Learn to calculate total stars up to 10")
    difficulty: 2
    property int maxValue: 10
    data: [
diff --git a/src/activities/magic-hat-plus/resource/3/Data.qml b/src/activities/magic-hat-plus/resource/3/Data.qml
--- a/src/activities/magic-hat-plus/resource/3/Data.qml
+++ b/src/activities/magic-hat-plus/resource/3/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-   objective: qsTr("Learn to calculate total stars upto 30")
+   objective: qsTr("Learn to calculate total stars up to 30")
    difficulty: 3
    property int maxValue: 30
    data: [
diff --git a/src/activities/magic-hat-plus/resource/4/Data.qml b/src/activities/magic-hat-plus/resource/4/Data.qml
--- a/src/activities/magic-hat-plus/resource/4/Data.qml
+++ b/src/activities/magic-hat-plus/resource/4/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-    objective: qsTr("Learn to calculate total stars upto 100 with coefficients")
+    objective: qsTr("Learn to calculate total stars up to 100 with coefficients")
     difficulty: 4
     property int maxValue: 100
     data: [
diff --git a/src/activities/magic-hat-plus/resource/5/Data.qml b/src/activities/magic-hat-plus/resource/5/Data.qml
--- a/src/activities/magic-hat-plus/resource/5/Data.qml
+++ b/src/activities/magic-hat-plus/resource/5/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-    objective: qsTr("Learn to calculate total stars upto 1000 with coefficients")
+    objective: qsTr("Learn to calculate total stars up to 1000 with coefficients")
     difficulty: 5
     property int maxValue: 1000
     data: [
diff --git a/src/activities/magic-hat-plus/resource/6/Data.qml b/src/activities/magic-hat-plus/resource/6/Data.qml
--- a/src/activities/magic-hat-plus/resource/6/Data.qml
+++ b/src/activities/magic-hat-plus/resource/6/Data.qml
@@ -23,7 +23,7 @@
 import "../../../../core"
 
 Dataset {
-    objective: qsTr("Learn to calculate total stars upto 10000 with coefficients")
+    objective: qsTr("Learn to calculate total stars up to 10000 with coefficients")
     difficulty: 6
     property int maxValue: 10000
     data: [