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Subtract 10, then Add Extra! 8 questions
Question 1 of 8
⏱️ 25s
Regrouping trick: subtract 10, then add the extra!
34 8 = ?
Method: Subtract 10 → then add the extra.
Extra = (10 − the number you subtract)
⏰ Time’s up — Answer:
You can press Try Again to practice (no marks), or Next to move on.
Designed by Lim Kim Sze © 2026
Score: 0 / 8
Nice work!
Progress
🟩 correct on first try (scores)  |  🟧 correct after a wrong try (0 mark)  |  🟥 time up (0 mark)
Designed by Lim Kim Sze © 2026
Math Buddy
Timed mode

Mission: Subtract 10, then Add Extra!

Trick: subtract 10 first, then add the extra.

Total score
0 / 8
Time: 25s
✅ Correct (first try) = confetti + auto next (2s)
❌ Any wrong try = 0 mark for that question
⏰ Time up = answer revealed + Try Again (practice)
Quick Steps
−10 → +extra
Step 1: Subtract 10 from the first number.
Step 2: Extra = 10 − (6/7/8/9).
Step 3: Add the extra.