diff --git a/src/core/math/shapes/Rectangle.js b/src/core/math/shapes/Rectangle.js
index 29b312a..0cc0e4d 100644
--- a/src/core/math/shapes/Rectangle.js
+++ b/src/core/math/shapes/Rectangle.js
@@ -21,25 +21,25 @@
          * @member {number}
          * @default 0
          */
-        this.x = x;
+        this.x = Number(x);
 
         /**
          * @member {number}
          * @default 0
          */
-        this.y = y;
+        this.y = Number(y);
 
         /**
          * @member {number}
          * @default 0
          */
-        this.width = width;
+        this.width = Number(width);
 
         /**
          * @member {number}
          * @default 0
          */
-        this.height = height;
+        this.height = Number(height);
 
         /**
          * The type of the object, mainly used to avoid `instanceof` checks

diff --git a/src/core/math/shapes/Rectangle.js b/src/core/math/shapes/Rectangle.js
index 29b312a..0cc0e4d 100644
--- a/src/core/math/shapes/Rectangle.js
+++ b/src/core/math/shapes/Rectangle.js
@@ -21,25 +21,25 @@
          * @member {number}
          * @default 0
          */
-        this.x = x;
+        this.x = Number(x);
 
         /**
          * @member {number}
          * @default 0
          */
-        this.y = y;
+        this.y = Number(y);
 
         /**
          * @member {number}
          * @default 0
          */
-        this.width = width;
+        this.width = Number(width);
 
         /**
          * @member {number}
          * @default 0
          */
-        this.height = height;
+        this.height = Number(height);
 
         /**
          * The type of the object, mainly used to avoid `instanceof` checks
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 6c3d1e1..3922e52 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -551,8 +551,8 @@
         if (frame.x + frame.width > this.baseTexture.width || frame.y + frame.height > this.baseTexture.height)
         {
             throw new Error('Texture Error: frame does not fit inside the base Texture dimensions: '
-                + `X: ${frame.x} + ${frame.width} > ${this.baseTexture.width} `
-                + `Y: ${frame.y} + ${frame.height} > ${this.baseTexture.height}`);
+                + `X: ${frame.x} + ${frame.width} = ${frame.x + frame.width} > ${this.baseTexture.width} `
+                + `Y: ${frame.y} + ${frame.height} = ${frame.y + frame.height} > ${this.baseTexture.height}`);
         }
 
         // this.valid = frame && frame.width && frame.height && this.baseTexture.source && this.baseTexture.hasLoaded;

diff --git a/src/core/math/shapes/Rectangle.js b/src/core/math/shapes/Rectangle.js
index 29b312a..0cc0e4d 100644
--- a/src/core/math/shapes/Rectangle.js
+++ b/src/core/math/shapes/Rectangle.js
@@ -21,25 +21,25 @@
          * @member {number}
          * @default 0
          */
-        this.x = x;
+        this.x = Number(x);
 
         /**
          * @member {number}
          * @default 0
          */
-        this.y = y;
+        this.y = Number(y);
 
         /**
          * @member {number}
          * @default 0
          */
-        this.width = width;
+        this.width = Number(width);
 
         /**
          * @member {number}
          * @default 0
          */
-        this.height = height;
+        this.height = Number(height);
 
         /**
          * The type of the object, mainly used to avoid `instanceof` checks
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 6c3d1e1..3922e52 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -551,8 +551,8 @@
         if (frame.x + frame.width > this.baseTexture.width || frame.y + frame.height > this.baseTexture.height)
         {
             throw new Error('Texture Error: frame does not fit inside the base Texture dimensions: '
-                + `X: ${frame.x} + ${frame.width} > ${this.baseTexture.width} `
-                + `Y: ${frame.y} + ${frame.height} > ${this.baseTexture.height}`);
+                + `X: ${frame.x} + ${frame.width} = ${frame.x + frame.width} > ${this.baseTexture.width} `
+                + `Y: ${frame.y} + ${frame.height} = ${frame.y + frame.height} > ${this.baseTexture.height}`);
         }
 
         // this.valid = frame && frame.width && frame.height && this.baseTexture.source && this.baseTexture.hasLoaded;
diff --git a/test/core/Rectangle.js b/test/core/Rectangle.js
index edd5a99..3bd6f13 100644
--- a/test/core/Rectangle.js
+++ b/test/core/Rectangle.js
@@ -12,6 +12,16 @@
         expect(rect.bottom).to.equal(6);
     });
 
+    it('should cast quantities to number types', function ()
+    {
+        const rect = new PIXI.Rectangle('5', '5', '1', '1');
+
+        expect(rect.left).to.equal(5);
+        expect(rect.top).to.equal(5);
+        expect(rect.right).to.equal(6);
+        expect(rect.bottom).to.equal(6);
+    });
+
     it('should clone a new rectangle', function ()
     {
         const rect1 = new PIXI.Rectangle(10, 10, 10, 10);