Knockout mixed operations • +, − within 1–100 • ×, ÷ within 1–10 • One mistake ends the run
Answer mixed-operation questions (addition, subtraction, multiplication, division). For +/− we use numbers 1–100; for ×/÷ we use 1–10. Choose the correct answer before time runs out. Knockout rule: one mistake (or a timeout) ends the game.
Tip: Use keys 1–4 to pick answers, Enter to start/restart.