🔢 You see a maths expression like 3 ☐ 4 = 12.
🔍 Figure out which sign goes in the box: + − × ÷
💡 Tip: try each sign and see which one makes the equation true!
🧠 At higher levels you get two blanks and must think about brackets and order of operations.
⏱️ 10 questions per round — beat your best time!
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