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🧠
Subtract 10, then Add Extra!
8 questions
Question
1
of
8
⏱️
25
s
🔊 Sound: ON
⚙️ Timing
↻ Restart
Regrouping trick: subtract 10, then add the extra!
34
−
8
=
?
Check ✅
Try Again
Next ➜
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.
Score:
0
/
8
Nice work!
Progress
🟩 correct on first try (scores) | 🟧 correct after a wrong try (0 mark) | 🟥 time up (0 mark)
↻ Restart the 8-question challenge
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.
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