#### Answer

$1410$

#### Work Step by Step

$526 + 884$
Start at the right of each number and add the ones digits
$6 + 4 = 10$ ones
Regroup the $10$ ones as $1$ ten and $0$ ones
Write the $0$ ones in the ones column.
Write the $1$ ten in the tens column
Add the tens column next including the regrouped $1$
$1 + 2 + 8 = 11$ tens
Regroup the $11$ tens as $1$ hundred and $1$ ten
Write the $1$ ten in the tens column.
Write the $1$ hundred in the hundreds column
Add the hundreds column next including the regrouped $1$
$1 + 5 + 8 = 14$ hundreds
Regroup the $14$ hundreds as $1$ thousand and $4$ hundreds
Write the $4$ hundreds in the hundreds column
Write the $1$ thousand in the thousands column
Write the thousands column next which is the regrouped $1$
$1$ thousand
The sum of the two numbers is $1410$