Addition & Subtraction Within 100 Digital Escape Room

Inside the case file

Add it up before the clock strikes midnight — this Addition & Subtraction Within 100 Digital Escape Room sends early learners through a spooky Halloween adventure, adding and subtracting (no regrouping) to crack each code and escape.

It's fully digital and self-checking, so wrong answers won't open the lock and there's nothing for you to grade. Built for Grades 1–3 with a Halloween theme. Open it in any browser — no app, login, or subscription.

Quick details

• Grade levels: 1–3 (addition and subtraction within 100, no regrouping)
• Format: Interactive, browser-based digital escape room
• Resource type: No-prep, self-checking math activity
• Skill focus: Addition and subtraction within 100
• Tech needed: Any device with a web browser

The mission

The haunted house has locked its doors for the night. Students add and subtract within 100 to find each answer — solve correctly and the codes appear, one puzzle at a time.

How the escape room works

• Open the private link in any browser — no app, login, or subscription
• Solve each addition or subtraction problem to reveal a code
• Enter the code to unlock the next stage — wrong answers won't open it
• The room self-checks, so students get instant feedback
• Crack the final code to escape

What's included

• An interactive digital escape room hosted on a private site
• Animated, self-checking puzzles with randomized answers for replayability
• No Boom Cards, Google Slides, logins, or subscriptions
• A PDF with your private access link to share via Google Classroom, email, or your LMS

Skills covered

• Adding within 100 (no regrouping)
• Subtracting within 100 (no regrouping)
• Building addition and subtraction fluency
• Solving simple word problems

Best used for

Math centers, tech time, early finishers, sub plans, Halloween and October review, homeschool, and distance learning.