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Worked examples

Number sequences and series

One sheet for each type of problem, with several worked examples of increasing difficulty: first the computation, then the explanation in words. Each sheet starts with links to the theory it uses.

• 1Successioni con differenze costanti o regolari
• 2Successioni con rapporto costante
• 3Successioni intrecciate e con operazioni miste
• 4Successioni con quadrati, cubi e somme dei termini precedenti
• 5Progressioni aritmetiche
• 6Progressioni geometriche
• 7Serie con lettere e serie miste
• 8Tabelle e figure con il numero mancante