Decimal Operations PBL | Restaurant Math 6th Grade | 6.NS.B.3

🍽️ Make decimals MEANINGFUL with this 5-day Restaurant Owner Math PBL!

Your 6th graders step into the role of a restaurant owner, using ALL FOUR decimal operations to run a real restaurant — from tallying daily receipts to pitching to investors.

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⭐ WHAT MAKES THIS DIFFERENT FROM OTHER DECIMAL RESOURCES?

❌ NOT another worksheet with random decimal problems ❌ NOT a surface-level "menu math" activity ✅ A FULL 5-day PBL unit with a cohesive restaurant storyline ✅ ALL 4 operations taught through authentic, connected scenarios ✅ 3-tier differentiation so EVERY learner succeeds

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📋 WHAT'S INSIDE (37 Pages!)

🔹 DAY 1: ADDITION & SUBTRACTION Students calculate daily receipts from 4 registers, total expenses (rent, utilities, supplies), and find net profit — just like real restaurant accounting.

🔹 DAY 2: MULTIPLICATION Students scale recipe ingredient costs for different serving sizes. How much does that pasta dish cost for 12 servings? 25? 40?

🔹 DAY 3: DIVISION Students split dinner bills between friends, calculate cost-per-unit for bulk vs. retail ingredients, and figure out fair tip amounts.

🔹 DAY 4: MIXED OPERATIONS The weekly P&L report! Students calculate revenue, COGS (32% food cost), operating expenses, and tax — all four operations in one authentic scenario.

🔹 DAY 5: RESTAURANT INVESTOR PITCH The culminating project! Students use ALL four operations to compute annual COGS, gross profit, net profit, ROI, and payback period — then present their restaurant as an investment opportunity.

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🍽️ 3-TIER DIFFERENTIATED RECIPE CARDS

Every student works at their level:

🌱 Modified — Scaffolded supports with simpler decimal values and structured hints ⭐ On-Level — Grade 6 standard complexity with multi-step problems 🚀 Challenge — Extended reasoning with larger numbers and additional decision-making

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📊 4-CRITERION ANALYTIC RUBRIC

Assess with clarity, not guesswork: • Decimal Accuracy — correct place value and computation • Operation Fluency — appropriate algorithm selection and execution • Real-World Application — contextual reasoning and interpretation • Presentation — organized, labeled, professional work shown

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📐 TEACHER SUPPORT MATERIALS

✅ Complete Answer Key — Every single problem solved with step-by-step worked standard algorithms ✅ Anchor Charts — All 4 decimal operation algorithms (add, subtract, multiply, divide) ✅ Printable Place-Value Chart — Decimal place value reference for student notebooks ✅ Teacher Pacing Guide — Daily learning targets, time estimates, and facilitation tips ✅ CCSS Alignment Chart — Full 6.NS.B.3 standard breakdown

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📌 ALIGNED TO CCSS 6.NS.B.3 "Fluently add, subtract, multiply, and divide multi-digit decimals using the standard algorithm for each operation."

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💻 FORMAT: PDF (Print & Go!) 📝 PAGES: 37 🏫 GRADE: 6th 📚 SUBJECT: Math — Decimals 🎯 STANDARDS: CCSS 6.NS.B.3

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