diff --git a/libs/core/_locales/core-jsdoc-strings.json b/libs/core/_locales/core-jsdoc-strings.json
index a273a4f5..27b36748 100644
--- a/libs/core/_locales/core-jsdoc-strings.json
+++ b/libs/core/_locales/core-jsdoc-strings.json
@@ -101,6 +101,16 @@
   "Math": "More complex operations with numbers.",
   "Math.abs": "Returns the absolute value of a number (the value without regard to whether it is positive or negative).\nFor example, the absolute value of -5 is the same as the absolute value of 5.",
   "Math.abs|param|x": "A numeric expression for which the absolute value is needed.",
+  "Math.ceil": "Returns the smallest number greater than or equal to its numeric argument.",
+  "Math.ceil|param|x": "A numeric expression.",
+  "Math.floor": "Returns the greatest number less than or equal to its numeric argument.",
+  "Math.floor|param|x": "A numeric expression.",
+  "Math.idiv": "Returns the value of integer signed 32 bit division of two numbers.",
+  "Math.idiv|param|x": "The first number",
+  "Math.idiv|param|y": "The second number",
+  "Math.imul": "Returns the value of integer signed 32 bit multiplication of two numbers.",
+  "Math.imul|param|x": "The first number",
+  "Math.imul|param|y": "The second number",
   "Math.max": "Returns the larger of two supplied numeric expressions.",
   "Math.min": "Returns the smaller of two supplied numeric expressions.",
   "Math.pow": "Return the value of a base expression taken to a specified power.",
@@ -109,10 +119,14 @@
   "Math.random": "Return a pseudorandom number between 0 and `limit`.",
   "Math.randomBoolean": "Generates a `true` or `false` value randomly, just like flipping a coin.",
   "Math.random|param|limit": "the upper bound of the number generated, eg: 4",
+  "Math.round": "Returns a supplied numeric expression rounded to the nearest number.",
+  "Math.round|param|x": "The value to be rounded to the nearest number.",
   "Math.sign": "Returns the sign of the x, indicating whether x is positive, negative or zero.",
   "Math.sign|param|x": "The numeric expression to test",
   "Math.sqrt": "Return the square root of a number.",
   "Math.sqrt|param|x": "A numeric expression.",
+  "Math.trunc": "Returns the number with the decimal part truncated.",
+  "Math.trunc|param|x": "A numeric expression.",
   "Number.toString": "Return a string representation of a number.",
   "String": "Combine, split, and search text strings.\n\nCombine, split, and search text strings.",
   "String.charAt": "Return the character at the specified index.",
@@ -356,7 +370,7 @@
   "music.setTempo": "Sets the tempo to the specified amount",
   "music.setTempo|param|bpm": "The new tempo in beats per minute, eg: 120",
   "music.tempo": "Returns the tempo in beats per minute. Tempo is the speed (bpm = beats per minute) at which notes play. The larger the tempo value, the faster the notes will play.",
-  "parseInt": "Convert A string to an integer.",
+  "parseInt": "Convert a string to an integer.",
   "pins": "Control currents in Pins for analog/digital signals, servos, i2c, ...",
   "pins.analogPitch": "Emits a Pulse-width modulation (PWM) signal to the current pitch pin. Use `analog set pitch pin` to define the pitch pin.",
   "pins.analogPitch|param|frequency": "frequency to modulate in Hz.",
diff --git a/libs/core/core.cpp b/libs/core/core.cpp
index 2a026aa8..23860df0 100644
--- a/libs/core/core.cpp
+++ b/libs/core/core.cpp
@@ -165,6 +165,38 @@ namespace Math_ {
     {
       return ::sqrt(x);
     }
+
+    // TODO: update signature when enabling FP
+    //%
+    int floor(int x){
+      return x;
+    }
+
+    //%
+    int ceil(int x){
+      return x;
+    }
+
+    //%
+    int trunc(int x){
+      return x;
+    }
+
+    //%
+    int round(int x){
+      return x;
+    }
+
+    //%
+    int imul(int x, int y) {
+        return x * y;
+    }
+
+    //%
+    int idiv(int x, int y) {
+        return x / y;
+    }
+
 }
 
 namespace Array_ {