Dividing by 15 or 24 in one go is hard, but the divisor is made of small numbers: 15 = 3 × 5. Divide by 3, then divide that answer by 5. Two easy steps give the same answer as one hard one.
Work it out in your head or on paper, then tap your answer — or type it and press Check. Stuck? Press “Show me how”.
Right: 0 · Tried: 0
🏁 Trick 20 test
20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.
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✂️ Smart Splitter badge when you pass — and a certificate when you finish all 10 tricks of
Part 4 · Clever counting & checking. You can still take the test without signing in.
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