diff --git a/assignments/q1-multiples.js b/assignments/q1-multiples.js
index ebe5e18..f6b74c5 100644
--- a/assignments/q1-multiples.js
+++ b/assignments/q1-multiples.js
@@ -1,3 +1,11 @@
 function multiples (limit) {
-  // ...
+  
+	var sum = 0;
+	for (var i = 1; i < limit; i++){
+		if ((i % 3 === 0) || (i % 5 === 0)){
+			sum += i;
+		}
+	}
+	return sum;
+
 }
diff --git a/assignments/q2-map.js b/assignments/q2-map.js
index a01bc71..69c4065 100644
--- a/assignments/q2-map.js
+++ b/assignments/q2-map.js
@@ -1,3 +1,7 @@
 function map (xs, fn) {
-  // ...
+var mapped = [];
+for (var i = 0; i < xs.length; i++){
+	mapped.push(fn(xs[i]));
 }
+return mapped;
+}
\ No newline at end of file
diff --git a/assignments/q3-filter.js b/assignments/q3-filter.js
index 757f6f1..4a9de4c 100644
--- a/assignments/q3-filter.js
+++ b/assignments/q3-filter.js
@@ -1,3 +1,10 @@
 function filter (xs, condition) {
-  // ...
+  var filtered = [];
+
+  for (var i = 0; i < xs.length; i++){
+  	if (condition(xs[i])) filtered.push(xs[i]);
+  }
+
+  return filtered;
+
 }
diff --git a/assignments/q4-reduce.js b/assignments/q4-reduce.js
index becc358..12addc5 100644
--- a/assignments/q4-reduce.js
+++ b/assignments/q4-reduce.js
@@ -1,4 +1,8 @@
 function reduce (xs, fn, seed) {
-  // NOTE: that seed is optional; you should give the appropriate default in the function body
-  // ...
-}
+  var i = seed ? 0 : 1;
+  var answer = seed;
+  for (i; i < xs.length; i++){
+  	answer = fn(answer ? answer : xs[0], xs[i]);
+  }
+  return answer; 
+}
\ No newline at end of file