Airport Arithmetic

Watch your mental arithmetic skills take off with Airport Arithmetic!

Work out the missing operation on each aircraft to allow its departure. Incorrect answers will result in a delayed take off.

Airport Arithmetic has four levels (Terminals) of difficulty:

Terminal One: Multiplication facts up to x5, single digit addition and subtraction.

Terminal Two: Multiplication facts up to x5, two digits add single digit, two digits minus single digit.

Terminal Three: Multiplication facts up to x10, division facts up to ÷5, two digits addition and subtraction.

Terminal Four: Multiplication facts up to x12, division facts up to ÷12, three digits add two digits and three digits minus two digits.

Air traffic controllers can choose to work for up to 100 departures.

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