Spot the Mistake is Tchers' Den's lightweight web app that turns grammar checking into a quick, engaging game. Learners see three short sentences and tap the one that contains an error. That is it—no logins, no setup, just instant practice that sharpens accuracy and confidence. The app is self-contained, accessible, and runs smoothly on laptops, tablets, or phones. It is also Blogger-ready, so you can embed it in a post or gadget in seconds.
Description
Instead of editing long passages, players choose the single incorrect sentence from a set of three. Immediate feedback explains why the target is wrong, so learners build the habit of noticing form, not just guessing. The item bank covers frequent problem areas—subject-verb agreement, articles, punctuation, prepositions, word choice, tense, and mixed skills—making it perfect for warm-ups, stations, homework, or fast review before a quiz.
Classroom-safe by design: neutral contexts, no real person or school names, ASCII-only text, and a single scoped snippet so themes do not break it.
Features
- Two modes: Practice (relaxed pacing) and 60-second Blitz (timed challenge).
- Category filter: focus on SVA, Articles, Punctuation, Prepositions, Word Choice, Tense, or Mixed.
- Lifelines: Hint shows a concise clue; 50/50 removes one correct option.
- Score, Streak, Best: the HUD tracks progress; Best saves to localStorage.
- Progress bar and badges: level up from Beginner to Grammar Ace.
- Positive feedback: subtle sounds and confetti celebrate correct answers.
- Blogger-ready: a single HTML block, no external libraries, mobile friendly.
How to Play
- Select a Mode: Practice for calm review or 60s Blitz for a quick challenge.
- Pick a Category (or All) that matches today’s lesson.
- Read the three sentences and tap the one with a mistake.
- Check the short explanation to reinforce the rule.
- Use Hint for a nudge or 50/50 to narrow choices.
- Press Next and watch your Score and Streak rise. Try to beat your Best.
Benefits
- Greater accuracy: frequent micro-practice catches common errors before they fossilize.
- Faster editing: students become quicker at spotting issues in their own writing.
- Clearer understanding: the built-in explanations convert guesses into knowledge.
- Motivation: streaks, badges, color cues, and small celebrations make practice feel rewarding.
- Flexible adoption: works as a starter, exit ticket, station task, or homework in any device mix.
Classroom Tips
- Starters and exit tickets: run 3–5 items to warm up or check understanding.
- Mini-lessons: filter to one category (for example, Punctuation) and discuss the explanation together.
- Stations: let pairs justify choices aloud; rotate categories each round.
- Targets: set a streak goal (for example, reach Sharp Eye) and invite screenshots of the HUD.
Short, high-frequency decisions build automaticity. By selecting errors rather than editing paragraphs, learners focus on the signal (the rule) instead of the noise (style). With instant feedback, clear progress, and a frictionless Blogger embed, Spot the Mistake gives you a polished, portable way to make grammar lively and measurable. Embed it on Tchers' Den, click New Set, and watch attention sharpen—one clear choice at a time.
🎮 Play Spot the Mistake
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