front page enhancements

app/lessons/page.tsx

@@ -14,7 +14,6 @@ export default function LessonsOverview() {
           <div className="mb-4 flex items-center gap-3">
             <Badge variant={unit.color}>Unit {unit.number}</Badge>
             <h2 className="text-xl font-semibold">{unit.title}</h2>
-            <span className="hidden text-sm text-muted sm:inline">{unit.weeks}</span>
           </div>
           <div className="grid gap-4 sm:grid-cols-2">
             {unit.topics.map((topic) => (
@@ -22,8 +21,7 @@ export default function LessonsOverview() {
                 <Card accent={unit.color} hover className="group h-full">
                   <h3 className="mb-1 font-semibold">{topic.title}</h3>
                   <p className="mb-3 text-sm leading-relaxed text-muted">{topic.description}</p>
-                  <div className="flex items-center justify-between text-xs text-muted">
-                    <span>Week {topic.week}</span>
+                  <div className="flex items-center justify-end text-xs text-muted">
                     <span className="flex items-center gap-1 opacity-0 transition-opacity group-hover:opacity-100">
                       Explore
                       <svg className="h-3 w-3" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>

app/lessons/unit-1-fractions/page.tsx

@@ -16,7 +16,7 @@ export default function Unit1Overview() {
         ]}
       />
       <div className="mb-10">
-        <Badge variant="unit-1" className="mb-3">Unit 1 &mdash; {unit.weeks}</Badge>
+        <Badge variant="unit-1" className="mb-3">Unit 1</Badge>
         <h1 className="mb-2 text-3xl font-bold tracking-tight">{unit.title}</h1>
         <p className="text-muted leading-relaxed">{unit.description}</p>
       </div>
@@ -28,7 +28,6 @@ export default function Unit1Overview() {
                 <span className="flex h-7 w-7 items-center justify-center rounded-lg bg-unit-1-light text-xs font-bold text-unit-1-dark shadow-[var(--shadow-sm)]">
                   {i + 1}
                 </span>
-                <span className="text-xs text-muted">Week {topic.week}</span>
               </div>
               <h3 className="mb-1 font-semibold">{topic.title}</h3>
               <p className="text-sm leading-relaxed text-muted">{topic.description}</p>

app/lessons/unit-2-decimals/page.tsx

@@ -16,7 +16,7 @@ export default function Unit2Overview() {
         ]}
       />
       <div className="mb-10">
-        <Badge variant="unit-2" className="mb-3">Unit 2 &mdash; {unit.weeks}</Badge>
+        <Badge variant="unit-2" className="mb-3">Unit 2</Badge>
         <h1 className="mb-2 text-3xl font-bold tracking-tight">{unit.title}</h1>
         <p className="text-muted leading-relaxed">{unit.description}</p>
       </div>
@@ -28,7 +28,6 @@ export default function Unit2Overview() {
                 <span className="flex h-7 w-7 items-center justify-center rounded-lg bg-unit-2-light text-xs font-bold text-unit-2-dark shadow-[var(--shadow-sm)]">
                   {i + 7}
                 </span>
-                <span className="text-xs text-muted">Week {topic.week}</span>
               </div>
               <h3 className="mb-1 font-semibold">{topic.title}</h3>
               <p className="text-sm leading-relaxed text-muted">{topic.description}</p>

app/lessons/unit-3-decimal-operations/page.tsx

@@ -16,7 +16,7 @@ export default function Unit3Overview() {
         ]}
       />
       <div className="mb-10">
-        <Badge variant="unit-3" className="mb-3">Unit 3 &mdash; {unit.weeks}</Badge>
+        <Badge variant="unit-3" className="mb-3">Unit 3</Badge>
         <h1 className="mb-2 text-3xl font-bold tracking-tight">{unit.title}</h1>
         <p className="text-muted leading-relaxed">{unit.description}</p>
       </div>
@@ -28,7 +28,6 @@ export default function Unit3Overview() {
                 <span className="flex h-7 w-7 items-center justify-center rounded-lg bg-unit-3-light text-xs font-bold text-unit-3-dark shadow-[var(--shadow-sm)]">
                   {i + 10}
                 </span>
-                <span className="text-xs text-muted">Week {topic.week}</span>
               </div>
               <h3 className="mb-1 font-semibold">{topic.title}</h3>
               <p className="text-sm leading-relaxed text-muted">{topic.description}</p>

app/lessons/unit-4-ratio-proportion/page.tsx

@@ -16,7 +16,7 @@ export default function Unit4Overview() {
         ]}
       />
       <div className="mb-10">
-        <Badge variant="unit-4" className="mb-3">Unit 4 &mdash; {unit.weeks}</Badge>
+        <Badge variant="unit-4" className="mb-3">Unit 4</Badge>
         <h1 className="mb-2 text-3xl font-bold tracking-tight">{unit.title}</h1>
         <p className="text-muted leading-relaxed">{unit.description}</p>
       </div>
@@ -28,7 +28,6 @@ export default function Unit4Overview() {
                 <span className="flex h-7 w-7 items-center justify-center rounded-lg bg-unit-4-light text-xs font-bold text-unit-4-dark shadow-[var(--shadow-sm)]">
                   {String.fromCharCode(97 + i)}
                 </span>
-                <span className="text-xs text-muted">Week {topic.week}</span>
               </div>
               <h3 className="mb-1 font-semibold">{topic.title}</h3>
               <p className="text-sm leading-relaxed text-muted">{topic.description}</p>

app/lessons/unit-5-integers/page.tsx

@@ -16,7 +16,7 @@ export default function Unit5Overview() {
         ]}
       />
       <div className="mb-10">
-        <Badge variant="unit-5" className="mb-3">Unit 5 &mdash; {unit.weeks}</Badge>
+        <Badge variant="unit-5" className="mb-3">Unit 5</Badge>
         <h1 className="mb-2 text-3xl font-bold tracking-tight">{unit.title}</h1>
         <p className="text-muted leading-relaxed">{unit.description}</p>
       </div>
@@ -28,7 +28,6 @@ export default function Unit5Overview() {
                 <span className="flex h-7 w-7 items-center justify-center rounded-lg bg-unit-5-light text-xs font-bold text-unit-5-dark shadow-[var(--shadow-sm)]">
                   {i + 1}
                 </span>
-                <span className="text-xs text-muted">Week {topic.week}</span>
               </div>
               <h3 className="mb-1 font-semibold">{topic.title}</h3>
               <p className="text-sm leading-relaxed text-muted">{topic.description}</p>

app/lessons/unit-6-number-system/page.tsx

@@ -16,7 +16,7 @@ export default function Unit6Overview() {
         ]}
       />
       <div className="mb-10">
-        <Badge variant="unit-6" className="mb-3">Unit 6 &mdash; {unit.weeks}</Badge>
+        <Badge variant="unit-6" className="mb-3">Unit 6</Badge>
         <h1 className="mb-2 text-3xl font-bold tracking-tight">{unit.title}</h1>
         <p className="text-muted leading-relaxed">{unit.description}</p>
       </div>
@@ -28,7 +28,6 @@ export default function Unit6Overview() {
                 <span className="flex h-7 w-7 items-center justify-center rounded-lg bg-unit-6-light text-xs font-bold text-unit-6-dark shadow-[var(--shadow-sm)]">
                   {i + 1}
                 </span>
-                <span className="text-xs text-muted">Week {topic.week}</span>
               </div>
               <h3 className="mb-1 font-semibold">{topic.title}</h3>
               <p className="text-sm leading-relaxed text-muted">{topic.description}</p>

app/page.tsx

@@ -2,6 +2,7 @@ import Link from "next/link";
 import { Header } from "@/components/layout/header";
 import { Footer } from "@/components/layout/footer";
 import { curriculum } from "@/lib/curriculum";
+import { TopicArt } from "@/components/home/topic-art";
 
 const unitStyles = {
   "unit-1": {
@@ -104,7 +105,6 @@ export default function Home() {
                   </span>
                 </div>
                 <p className="mt-2 text-sm font-semibold text-[#35508b]">{unit.description}</p>
-                <p className="mt-2 text-xs font-bold uppercase tracking-wide text-[#4262aa]">{unit.weeks}</p>
               </Link>
             ))}
           </div>
@@ -121,11 +121,9 @@ export default function Home() {
                 href={`/lessons/${unit.slug}/${topic.slug}`}
                 className="rounded-sm border border-[#8ea9df] bg-white p-2 transition-transform hover:-translate-y-0.5 hover:shadow-md"
               >
-                <div className={`game-thumb-grid mb-2 flex aspect-[4/3] flex-col justify-between rounded-sm bg-gradient-to-br p-2 text-white ${topicTiles[index % topicTiles.length]}`}>
-                  <span className="w-fit rounded-sm bg-black/25 px-1.5 py-0.5 text-[10px] font-extrabold uppercase tracking-wide">
-                    Week {topic.week}
-                  </span>
-                  <span className="text-center text-xs font-extrabold leading-tight">
+                <div className={`game-thumb-grid relative mb-2 flex aspect-[4/3] flex-col justify-end overflow-hidden rounded-sm bg-gradient-to-br p-2 text-white ${topicTiles[index % topicTiles.length]}`}>
+                  <TopicArt unitSlug={unit.slug} topicSlug={topic.slug} />
+                  <span className="relative text-center text-xs font-extrabold leading-tight [text-shadow:0_1px_2px_rgba(0,0,0,0.35)]">
                     {topic.shortTitle}
                   </span>
                 </div>

components/home/topic-art.tsx

@@ -0,0 +1,222 @@
+import type { ReactNode } from "react";
+
+/**
+ * Decorative SVG artwork for the Topic Explorer tiles on the landing page.
+ * Each topic gets a simple math-themed illustration drawn in white over the
+ * tile's gradient background.
+ */
+
+function Frame({ children }: { children: ReactNode }) {
+  return (
+    <svg
+      viewBox="0 0 100 75"
+      className="pointer-events-none absolute inset-0 h-full w-full"
+      aria-hidden="true"
+    >
+      <circle cx="88" cy="8" r="14" fill="white" opacity="0.08" />
+      <circle cx="8" cy="66" r="18" fill="white" opacity="0.08" />
+      {children}
+    </svg>
+  );
+}
+
+const glyphText = {
+  fill: "white",
+  fontWeight: 800,
+  fontFamily: "inherit",
+} as const;
+
+const art: Record<string, ReactNode> = {
+  // Unit 1 — Fractions
+  "unit-1-fractions/add-subtract": (
+    <>
+      <circle cx="30" cy="32" r="15" fill="white" opacity="0.3" />
+      <path d="M30 17 A15 15 0 0 1 45 32 L30 32 Z" fill="white" opacity="0.9" />
+      <text x="63" y="32" fontSize="22" textAnchor="middle" dominantBaseline="middle" {...glyphText}>+</text>
+      <text x="82" y="32" fontSize="22" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&minus;</text>
+    </>
+  ),
+  "unit-1-fractions/multiply": (
+    <>
+      <text x="30" y="20" fontSize="14" textAnchor="middle" dominantBaseline="middle" {...glyphText}>1</text>
+      <rect x="20" y="28" width="20" height="3" rx="1.5" fill="white" />
+      <text x="30" y="44" fontSize="14" textAnchor="middle" dominantBaseline="middle" {...glyphText}>2</text>
+      <text x="52" y="32" fontSize="20" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&times;</text>
+      <text x="73" y="20" fontSize="14" textAnchor="middle" dominantBaseline="middle" {...glyphText}>3</text>
+      <rect x="63" y="28" width="20" height="3" rx="1.5" fill="white" />
+      <text x="73" y="44" fontSize="14" textAnchor="middle" dominantBaseline="middle" {...glyphText}>4</text>
+    </>
+  ),
+  "unit-1-fractions/divide": (
+    <>
+      <circle cx="50" cy="16" r="5" fill="white" />
+      <rect x="26" y="29" width="48" height="5" rx="2.5" fill="white" />
+      <circle cx="50" cy="47" r="5" fill="white" />
+    </>
+  ),
+  "unit-1-fractions/mixed-operations": (
+    <>
+      <text x="22" y="32" fontSize="30" textAnchor="middle" dominantBaseline="middle" {...glyphText}>(</text>
+      <text x="42" y="32" fontSize="16" textAnchor="middle" dominantBaseline="middle" {...glyphText}>+</text>
+      <text x="58" y="32" fontSize="16" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&times;</text>
+      <text x="78" y="32" fontSize="30" textAnchor="middle" dominantBaseline="middle" {...glyphText}>)</text>
+    </>
+  ),
+  "unit-1-fractions/fraction-of-quantity": (
+    <>
+      {[0, 1, 2, 3].map((col) =>
+        [0, 1].map((row) => (
+          <circle
+            key={`${col}-${row}`}
+            cx={26 + col * 16}
+            cy={24 + row * 16}
+            r="6"
+            fill="white"
+            opacity={col < 2 ? 0.95 : 0.3}
+          />
+        )),
+      )}
+    </>
+  ),
+  "unit-1-fractions/whole-from-fractions": (
+    <>
+      <path d="M50 32 L50 14 A18 18 0 1 1 35 47 Z" fill="white" opacity="0.9" />
+      <path d="M50 32 L50 14 A18 18 0 0 0 35 47 Z" fill="white" opacity="0.25" />
+      <text x="40" y="29" fontSize="12" textAnchor="middle" dominantBaseline="middle" {...glyphText}>?</text>
+    </>
+  ),
+
+  // Unit 2 — Decimals
+  "unit-2-decimals/compare-order": (
+    <>
+      <text x="26" y="32" fontSize="16" textAnchor="middle" dominantBaseline="middle" {...glyphText}>0.3</text>
+      <text x="50" y="32" fontSize="22" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&lt;</text>
+      <text x="74" y="32" fontSize="16" textAnchor="middle" dominantBaseline="middle" {...glyphText}>0.7</text>
+    </>
+  ),
+  "unit-2-decimals/approximate": (
+    <>
+      <text x="50" y="30" fontSize="34" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&asymp;</text>
+    </>
+  ),
+  "unit-2-decimals/standard-form": (
+    <>
+      <text x="34" y="34" fontSize="18" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&times;10</text>
+      <text x="62" y="22" fontSize="12" textAnchor="middle" dominantBaseline="middle" {...glyphText}>n</text>
+    </>
+  ),
+
+  // Unit 3 — Decimal Operations
+  "unit-3-decimal-operations/convert": (
+    <>
+      <text x="26" y="20" fontSize="10" textAnchor="middle" dominantBaseline="middle" {...glyphText}>1</text>
+      <rect x="19" y="25" width="14" height="2.5" rx="1.25" fill="white" />
+      <text x="26" y="35" fontSize="10" textAnchor="middle" dominantBaseline="middle" {...glyphText}>2</text>
+      <path d="M40 22 H62 M62 22 l-5 -4 M62 22 l-5 4" stroke="white" strokeWidth="2.5" strokeLinecap="round" fill="none" />
+      <path d="M62 36 H40 M40 36 l5 -4 M40 36 l5 4" stroke="white" strokeWidth="2.5" strokeLinecap="round" fill="none" />
+      <text x="77" y="28" fontSize="13" textAnchor="middle" dominantBaseline="middle" {...glyphText}>0.5</text>
+    </>
+  ),
+  "unit-3-decimal-operations/add-subtract": (
+    <>
+      <text x="56" y="18" fontSize="13" textAnchor="end" dominantBaseline="middle" {...glyphText}>2.50</text>
+      <text x="56" y="34" fontSize="13" textAnchor="end" dominantBaseline="middle" {...glyphText}>1.25</text>
+      <text x="28" y="34" fontSize="13" textAnchor="middle" dominantBaseline="middle" {...glyphText}>+</text>
+      <rect x="22" y="42" width="38" height="2.5" rx="1.25" fill="white" />
+    </>
+  ),
+  "unit-3-decimal-operations/multiply-divide": (
+    <>
+      <text x="34" y="30" fontSize="24" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&times;</text>
+      <text x="66" y="30" fontSize="24" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&divide;</text>
+    </>
+  ),
+
+  // Unit 4 — Ratio & Proportion
+  "unit-4-ratio-proportion/define-ratio": (
+    <>
+      <circle cx="26" cy="24" r="6" fill="white" />
+      <circle cx="26" cy="40" r="6" fill="white" />
+      <text x="48" y="31" fontSize="22" textAnchor="middle" dominantBaseline="middle" {...glyphText}>:</text>
+      <circle cx="68" cy="18" r="6" fill="white" opacity="0.85" />
+      <circle cx="68" cy="32" r="6" fill="white" opacity="0.85" />
+      <circle cx="68" cy="46" r="6" fill="white" opacity="0.85" />
+    </>
+  ),
+  "unit-4-ratio-proportion/fractions-and-ratios": (
+    <>
+      <text x="28" y="20" fontSize="12" textAnchor="middle" dominantBaseline="middle" {...glyphText}>1</text>
+      <rect x="20" y="26" width="16" height="2.5" rx="1.25" fill="white" />
+      <text x="28" y="37" fontSize="12" textAnchor="middle" dominantBaseline="middle" {...glyphText}>3</text>
+      <text x="50" y="28" fontSize="14" textAnchor="middle" dominantBaseline="middle" {...glyphText}>=</text>
+      <text x="72" y="28" fontSize="15" textAnchor="middle" dominantBaseline="middle" {...glyphText}>1:2</text>
+    </>
+  ),
+  "unit-4-ratio-proportion/simplify-ratios": (
+    <>
+      <text x="24" y="30" fontSize="14" textAnchor="middle" dominantBaseline="middle" {...glyphText}>6:9</text>
+      <path d="M42 30 H60 M60 30 l-5 -4 M60 30 l-5 4" stroke="white" strokeWidth="2.5" strokeLinecap="round" fill="none" />
+      <text x="76" y="30" fontSize="15" textAnchor="middle" dominantBaseline="middle" {...glyphText}>2:3</text>
+    </>
+  ),
+  "unit-4-ratio-proportion/divide-in-ratio": (
+    <>
+      <rect x="18" y="24" width="26" height="14" rx="2" fill="white" opacity="0.95" />
+      <rect x="46" y="24" width="13" height="14" rx="2" fill="white" opacity="0.6" />
+      <rect x="61" y="24" width="13" height="14" rx="2" fill="white" opacity="0.6" />
+      <text x="46" y="52" fontSize="12" textAnchor="middle" dominantBaseline="middle" {...glyphText}>2 : 1 : 1</text>
+    </>
+  ),
+  "unit-4-ratio-proportion/word-problems": (
+    <>
+      <path
+        d="M26 14 h48 a5 5 0 0 1 5 5 v22 a5 5 0 0 1 -5 5 H44 l-9 9 v-9 h-9 a5 5 0 0 1 -5 -5 V19 a5 5 0 0 1 5 -5 Z"
+        fill="white"
+        opacity="0.3"
+      />
+      <text x="50" y="30" fontSize="18" textAnchor="middle" dominantBaseline="middle" {...glyphText}>?</text>
+    </>
+  ),
+
+  // Unit 5 — Integers
+  "unit-5-integers/add-subtract": (
+    <>
+      <path d="M14 36 H86 M20 36 v-6 M35 36 v-6 M50 36 v-8 M65 36 v-6 M80 36 v-6" stroke="white" strokeWidth="2.5" strokeLinecap="round" fill="none" />
+      <text x="20" y="20" fontSize="10" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&minus;2</text>
+      <text x="50" y="18" fontSize="10" textAnchor="middle" dominantBaseline="middle" {...glyphText}>0</text>
+      <text x="80" y="20" fontSize="10" textAnchor="middle" dominantBaseline="middle" {...glyphText}>+2</text>
+    </>
+  ),
+  "unit-5-integers/multiply-divide": (
+    <>
+      <text x="30" y="24" fontSize="16" textAnchor="middle" dominantBaseline="middle" {...glyphText}>&minus;&times;&minus;</text>
+      <path d="M58 24 H72 M72 24 l-4 -3 M72 24 l-4 3" stroke="white" strokeWidth="2.5" strokeLinecap="round" fill="none" />
+      <text x="82" y="24" fontSize="16" textAnchor="middle" dominantBaseline="middle" {...glyphText}>+</text>
+    </>
+  ),
+
+  // Unit 6 — Number System
+  "unit-6-number-system/binary": (
+    <>
+      <text x="50" y="24" fontSize="16" textAnchor="middle" dominantBaseline="middle" letterSpacing="3" {...glyphText}>1011</text>
+      <text x="50" y="44" fontSize="11" textAnchor="middle" dominantBaseline="middle" opacity="0.8" {...glyphText}>base 2</text>
+    </>
+  ),
+  "unit-6-number-system/quaternary": (
+    <>
+      <text x="50" y="24" fontSize="16" textAnchor="middle" dominantBaseline="middle" letterSpacing="3" {...glyphText}>1230</text>
+      <text x="50" y="44" fontSize="11" textAnchor="middle" dominantBaseline="middle" opacity="0.8" {...glyphText}>base 4</text>
+    </>
+  ),
+};
+
+const fallback: ReactNode = (
+  <>
+    <circle cx="34" cy="30" r="10" fill="white" opacity="0.6" />
+    <rect x="56" y="20" width="20" height="20" rx="3" fill="white" opacity="0.6" />
+  </>
+);
+
+export function TopicArt({ unitSlug, topicSlug }: { unitSlug: string; topicSlug: string }) {
+  return <Frame>{art[`${unitSlug}/${topicSlug}`] ?? fallback}</Frame>;
+}

components/layout/header.tsx

@@ -22,7 +22,7 @@ export function Header() {
           </Link>
           <div className="flex items-center gap-2 text-xs font-bold sm:text-sm">
             <span className="rounded-full bg-[#1a49b6] px-3 py-1">Ages 12-16</span>
-            <span className="rounded-full bg-[#1a49b6] px-3 py-1">Form 1 Term 2</span>
+            <span className="rounded-full bg-[#1a49b6] px-3 py-1">Form 1</span>
           </div>
         </div>
         <nav className="flex flex-wrap gap-1 bg-[#1b49b5] px-2 pb-2 pt-1">

lib/curriculum.ts

@@ -2,7 +2,6 @@ export interface Topic {
   slug: string;
   title: string;
   shortTitle: string;
-  week: number;
   description: string;
 }
 
@@ -11,7 +10,6 @@ export interface Unit {
   slug: string;
   title: string;
   description: string;
-  weeks: string;
   color: "unit-1" | "unit-2" | "unit-3" | "unit-4" | "unit-5" | "unit-6";
   topics: Topic[];
 }
@@ -22,49 +20,42 @@ export const curriculum: Unit[] = [
     slug: "unit-1-fractions",
     title: "Fractions",
     description: "Add, subtract, multiply, divide fractions and apply to quantities",
-    weeks: "Weeks 1-3",
     color: "unit-1",
     topics: [
       {
         slug: "add-subtract",
         title: "Add and Subtract Fractions",
         shortTitle: "Add & Subtract",
-        week: 1,
         description: "Common and uncommon denominators, Butterfly Method",
       },
       {
         slug: "multiply",
         title: "Multiply Fractions",
         shortTitle: "Multiply",
-        week: 1,
         description: "Multiply numerators and denominators, simplify",
       },
       {
         slug: "divide",
         title: "Divide Fractions",
         shortTitle: "Divide",
-        week: 1,
         description: "Invert and multiply (reciprocal method)",
       },
       {
         slug: "mixed-operations",
         title: "Mixed Operations (BODMAS)",
         shortTitle: "BODMAS",
-        week: 2,
         description: "Order of operations with fractions",
       },
       {
         slug: "fraction-of-quantity",
         title: "Fraction of a Quantity",
         shortTitle: "Of a Quantity",
-        week: 3,
         description: "Calculate a fraction of a given amount",
       },
       {
         slug: "whole-from-fractions",
         title: "Calculate the Whole from Fractions",
         shortTitle: "Find the Whole",
-        week: 3,
         description: "Find the whole when given a part and its fraction",
       },
     ],
@@ -74,28 +65,24 @@ export const curriculum: Unit[] = [
     slug: "unit-2-decimals",
     title: "Decimals",
     description: "Compare, order, round decimals and express in standard form",
-    weeks: "Weeks 4-5",
     color: "unit-2",
     topics: [
       {
         slug: "compare-order",
         title: "Compare and Order Decimals",
         shortTitle: "Compare & Order",
-        week: 4,
         description: "Place value, ascending, descending, greater/less than",
       },
       {
         slug: "approximate",
         title: "Approximate Decimals",
         shortTitle: "Approximation",
-        week: 4,
         description: "Round to whole numbers, decimal places, significant figures",
       },
       {
         slug: "standard-form",
         title: "Standard Form (Scientific Notation)",
         shortTitle: "Standard Form",
-        week: 5,
         description: "Express numbers as a × 10^n",
       },
     ],
@@ -105,28 +92,24 @@ export const curriculum: Unit[] = [
     slug: "unit-3-decimal-operations",
     title: "Decimal Operations",
     description: "Convert, add, subtract, multiply and divide decimals",
-    weeks: "Weeks 6-7",
     color: "unit-3",
     topics: [
       {
         slug: "convert",
         title: "Convert Decimals and Fractions",
         shortTitle: "Convert",
-        week: 6,
         description: "Decimals to fractions and fractions to decimals",
       },
       {
         slug: "add-subtract",
         title: "Add and Subtract Decimals",
         shortTitle: "Add & Subtract",
-        week: 6,
         description: "Align decimal points, insert zeros as placeholders",
       },
       {
         slug: "multiply-divide",
         title: "Multiply and Divide Decimals",
         shortTitle: "Multiply & Divide",
-        week: 7,
         description: "By powers of 10, whole numbers, and decimals",
       },
     ],
@@ -136,42 +119,36 @@ export const curriculum: Unit[] = [
     slug: "unit-4-ratio-proportion",
     title: "Ratio & Proportion",
     description: "Define, simplify, and apply ratios to solve problems",
-    weeks: "Weeks 8-9",
     color: "unit-4",
     topics: [
       {
         slug: "define-ratio",
         title: "Define a Ratio",
         shortTitle: "Define Ratio",
-        week: 8,
         description: "Relationship between two or more quantities",
       },
       {
         slug: "fractions-and-ratios",
         title: "Fractions and Ratios",
         shortTitle: "Fractions & Ratios",
-        week: 8,
         description: "Understand the relationship between fractions and ratios",
       },
       {
         slug: "simplify-ratios",
         title: "Simplify Ratios",
         shortTitle: "Simplify",
-        week: 8,
         description: "Write ratios in their simplest form",
       },
       {
         slug: "divide-in-ratio",
         title: "Divide a Quantity in a Given Ratio",
         shortTitle: "Divide in Ratio",
-        week: 9,
         description: "Share amounts using ratios",
       },
       {
         slug: "word-problems",
         title: "Proportional Parts Word Problems",
         shortTitle: "Word Problems",
-        week: 9,
         description: "Solve real-world problems with ratios",
       },
     ],
@@ -181,21 +158,18 @@ export const curriculum: Unit[] = [
     slug: "unit-5-integers",
     title: "Integers",
     description: "Add, subtract, multiply, divide integers and apply to real-world problems",
-    weeks: "Weeks 2-4",
     color: "unit-5",
     topics: [
       {
         slug: "add-subtract",
         title: "Add and Subtract Integers",
         shortTitle: "Add & Subtract",
-        week: 2,
         description: "Use number lines and sign rules to add and subtract positive and negative numbers",
       },
       {
         slug: "multiply-divide",
         title: "Multiply and Divide Integers",
         shortTitle: "Multiply & Divide",
-        week: 3,
         description: "Sign rules for multiplication and division with real-world thermometer problems",
       },
     ],
@@ -205,21 +179,18 @@ export const curriculum: Unit[] = [
     slug: "unit-6-number-system",
     title: "Number System",
     description: "Explore how numbers can be written in different bases, beyond the everyday denary system",
-    weeks: "Week 10",
     color: "unit-6",
     topics: [
       {
         slug: "binary",
         title: "Binary Numbers",
         shortTitle: "Binary",
-        week: 10,
         description: "Place value in base 2 and converting binary numbers to denary (decimal)",
       },
       {
         slug: "quaternary",
         title: "Quaternary Numbers",
         shortTitle: "Quaternary",
-        week: 10,
         description: "Place value in base 4 and converting between quaternary and denary (decimal)",
       },
     ],