Let's find the value of $305+505$305+505, by partitioning the numbers.
Fill in the box with the missing number.
$305=300+\editable{}$305=300+
Fill in the box with the missing number.
$505=\editable{}+5$505=+5
Find the value of $305+505$305+505.
Let’s find the value of $507+203$507+203, by partitioning the numbers.
Let’s find the value of $7005+2005$7005+2005, by partitioning the numbers.
Let’s find the value of $7008+2002$7008+2002, by partitioning the numbers.