Find the missing number

Un ottimo modo per presentare agli studenti i problemi con i numeri mancanti e l'algebra.

This app challenges to find missing numbers by solving the provided clues; a great way of introducing learners to missing number problems and algebra. They are also useful to review different mathematical vocabulary. Endless series of exercises to practice with. If the answer is right, touch and hold "Correct" to go on; if it is wrong press Enter or Backspace to retry.