Page 2: Extended Single-Digit Division Examples

This section expands on divisioni in colonna a una cifra with more complex numbers, showing how to handle two-digit dividends.

Example: 32÷2=16 with remainder 0, demonstrating:

• Bringing down digits one at a time
• Finding how many times the divisor goes into each new number
• Calculating remainders at each step

Vocabulary: Quotient (result of division), Remainder (amount left over after division)

Highlight: The page includes multiple examples like 40÷4=10 and 58÷5=11 to reinforce the concept.

Page 5: The Rule of 9 (Prova del 9)

This final page introduces the prova del nove divisione con resto method for verifying division calculations.

Definition: The Rule of 9 is a verification method where you multiply the quotient by the divisor and add the remainder to check if it equals the dividend.

Example: For 55÷6=13 remainder 3:

• Multiply 13×6=78
• Add remainder: 78+3=81
• Check if result equals original dividend

Highlight: This verification method helps students confirm their division calculations are correct.