Week One Build WorksheetSkyline Architect 6-Digit Addition & Subtraction Practice • Week 1 Project ID: Date: Weekly Build Logistics Complete 2 problems each day. Align digits precisely to maintain structural integrity. Show all regrouping marks clearly in the drafting space. Due by Friday. Day 1 Foundation Level Problem 1.1 423,561 216,427 Problem 1.2 895,784 - 374,251 Day 2 Standard Regrouping Problem 2.1 567,823 142,658 Problem 2.2 742,519 - 328,605 Day 3 Advanced Drafting Problem 3.1 839,475 165,728 Problem 3.2 613,245 - 457,819 Day 4 Structural Integrity Problem 4.1 400,560 299,440 Problem 4.2 500,000 - 124,352 Day 5 Final Inspection Problem 5.1 725,189 148,912 Problem 5.2 902,341 - 456,789 Project: Skyline Alpha-1 • Week 1 Foundations Copyright © 2026 Architectural Math Division
Week One Answer KeyAnswer Key Skyline Architect • Week 1 Foundations Teacher Resource Day 1 Solutions Problem 1.1 423,561 + 216,427 639,988 Problem 1.2 895,784 - 374,251 521,533 Day 2 Solutions Problem 2.1 567,823 + 142,658 710,481 Problem 2.2 742,519 - 328,605 413,914 Day 3 Solutions Problem 3.1 839,475 + 165,728 1,005,203 Problem 3.2 613,245 - 457,819 155,426 Day 4 Solutions Problem 4.1 400,560 + 299,440 700,000 Problem 4.2 500,000 - 124,352 375,648 Day 5 Solutions Problem 5.1 725,189 + 148,912 874,101 Problem 5.2 902,341 - 456,789 445,552 Project: Skyline Alpha-1 • Week 1 Answer Key INTERNAL USE ONLY
Week Two Build WorksheetMaster Builder 6-Digit Addition & Subtraction Mastery • Week 2 Consultant: Complex Structure Verification Precision is mandatory. Align digits perfectly by place value to maintain structural integrity. Subtraction across zeros requires exact drafting. Show all work. Day 6 Problem 6.1 456,789 543,211 Problem 6.2 800,000 - 345,678 Day 7 Problem 7.1 728,194 271,806 Problem 7.2 914,002 - 657,834 Day 8 Problem 8.1 382,914 476,285 Problem 8.2 602,410 - 285,931 Day 9 Problem 9.1 582,341 417,659 Problem 9.2 403,020 - 198,765 Day 10 Problem 10.1 888,888 111,112 Problem 10.2 700,100 - 456,789 Project: Skyline Alpha-2 • Week 2 Mastery Copyright © 2026 Architectural Math Division
Week Two Answer KeyAnswer Key Skyline Architect • Week 2 Mastery Teacher Resource Day 6 Solutions Problem 6.1 456,789 + 543,211 1,000,000 Problem 6.2 800,000 - 345,678 454,322 Day 7 Solutions Problem 7.1 728,194 + 271,806 1,000,000 Problem 7.2 914,002 - 657,834 256,168 Day 8 Solutions Problem 8.1 382,914 + 476,285 859,199 Problem 8.2 602,410 - 285,931 316,479 Day 9 Solutions Problem 9.1 582,341 + 417,659 1,000,000 Problem 9.2 403,020 - 198,765 204,255 Day 10 Solutions Problem 10.1 888,888 + 111,112 1,000,000 Problem 10.2 700,100 - 456,789 243,311 Project: Skyline Alpha-2 • Week 2 Answer Key INTERNAL USE ONLY