diff --git a/CHANGELOG.md b/CHANGELOG.md
index a479ba52..7e4de14e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # HEAD
 
+- Fixed: `map-keys-quotes` ignore math operators inside map values.
 - Fixed: `operator-no-unspaced` was looking for operators inside `@forward` and `@use`.
 
 # 3.12.0
diff --git a/src/rules/map-keys-quotes/__tests__/index.js b/src/rules/map-keys-quotes/__tests__/index.js
index a0fb993b..56611265 100644
--- a/src/rules/map-keys-quotes/__tests__/index.js
+++ b/src/rules/map-keys-quotes/__tests__/index.js
@@ -45,6 +45,69 @@ testRule(rule, {
       );
       `,
       description: "accepts numbers (nested)"
+    },
+    {
+      code: `
+      $map: (
+        "key-one": 0,
+        "key-two": $variable * 2,
+      );
+      `,
+      description: "accepts * operator inside a value"
+    },
+    {
+      code: `
+      $map: (
+        "key-one": 0,
+        "key-two": $variable*2,
+      );
+      `,
+      description: "accepts * operator without spaces inside a value"
+    },
+    {
+      code: `
+      $map: (
+        "key-one": 0,
+        "key-two": $variable - 2,
+      );
+      `,
+      description: "accepts - operator inside a value"
+    },
+    {
+      code: `
+      $map: (
+        "key-one": 0,
+        "key-two": $variable + 2,
+      );
+      `,
+      description: "accepts + operator inside a value"
+    },
+    {
+      code: `
+      $map: (
+        "key-one": 0,
+        "key-two": $variable / 2,
+      );
+      `,
+      description: "accepts / operator inside a value"
+    },
+    {
+      code: `
+      $map: (
+        "key-one": 0,
+        "key-two": $variable % 2,
+      );
+      `,
+      description: "accepts % operator inside a value"
+    },
+    {
+      code: `
+      $map: (
+        "key-one": 0,
+        "key-two": (1+2),
+      );
+      `,
+      description: "accepts parens inside a value"
     }
   ],
 
diff --git a/src/rules/map-keys-quotes/index.js b/src/rules/map-keys-quotes/index.js
index 64a3fe47..93b74346 100644
--- a/src/rules/map-keys-quotes/index.js
+++ b/src/rules/map-keys-quotes/index.js
@@ -8,6 +8,8 @@ export const messages = utils.ruleMessages(ruleName, {
   expected: "Expected keys in map to be quoted."
 });
 
+const mathOperators = ["+", "/", "-", "*", "%"];
+
 function rule(primary) {
   return (root, result) => {
     const validOptions = utils.validateOptions(result, ruleName, {
@@ -34,6 +36,10 @@ function rule(primary) {
           const mapKeys = returnMapKeys(node.nodes);
 
           mapKeys.forEach(map_key => {
+            if (mathOperators.indexOf(map_key.value) > -1) {
+              return;
+            }
+
             if (map_key.type === "word" && isNaN(map_key.value)) {
               utils.report({
                 message: messages.expected,