Transform the Number 1456: Calculate the Addition of 100

To solve the problem of adding one hundred to the number 1456, let's perform a straightforward arithmetic addition:

• Starting number: 1456
• Number to add: 100

Adding column by column, starting from the right (units place):

• Units Place: $6 + 0 = 6$
• Tens Place: $5 + 0 = 5$
• Hundreds Place: $4 + 1 = 5$ (Here, we carry out the addition of 100)
• Thousands Place: $1 + 0 = 1$

This results in the new number:

$1556$

Thus, if we add one hundred to the number 1456, we will get $1556$.