Cornerstone Teaching

### ⭐ Make multi-digit math practice self-checking — and 100% offline.This colorful 192-card task card pack covers **5-digit AND 6-digit addition and subtraction with regrouping** for grades 4–6. Every card has its own black-and-white **QR code in the corner**: students solve, scan with any phone or tablet camera, and the screen shows the correct answer instantly. **The QR codes work fully offline.** No app, no internet, no website link. The answer text is encoded directly in the QR pattern. S

### ⭐ Make math practice self-checking — and 100% offline.This colorful 96-card task card pack covers **4-digit addition and subtraction with regrouping** for grades 3–5. Every card has its own black-and-white **QR code in the corner**: students solve, scan with any phone or tablet camera, and the screen shows the correct answer instantly. **The QR codes work fully offline.** No app, no internet, no website link. The answer text is encoded directly in the QR pattern. Scan card #1 → screen show

No prep 3 digit addition with regrouping worksheets! 24 pages with 11 unique enrichment activities (mystery riddles, crack the code, math pyramids) plus answer keys. ⭐ NOT just repetitive drill worksheets — this practice pack combines scaffolded fluency pages with 11 unique enrichment activities your students will actually look forward to. Aligned to CCSS 2.NBT.B.7 and 3.NBT.A.2 for 2nd and 3rd grade math. 📦 WHAT'S INCLUDED (24 pages): ✏️ ANCHOR & SCAFFOLDED PRACTICE • Anchor chart with worked

Captain Hooke locks your students in his cabin! This 10-page area and perimeter math escape room hooks 3rd-4th graders with pirate puzzles, a 4-digit code, and answer keys. --- FULL DESCRIPTION: Captain Hooke locks your students in his cabin! This 10-page area and perimeter math escape room hooks 3rd-4th graders with pirate puzzles, a 4-digit code, and answer keys. ⚓ INK-SAVER BLACK & WHITE EDITION — print 30 copies without burning through your color cartridge. Every gray box,

Printable number patterns task cards for 3rd & 4th grade math centers and test prep. 32 differentiated cards cover skip counting, function tables, missing numbers & pattern rules. Need no-prep number patterns task cards that work for both 3rd grade review and 4th grade enrichment? This Number Patterns & Sequences Task Card set gives students focused practice with skip counting, arithmetic patterns, multiplication patterns, function tables (input output tables), missing numbers, square and triang