Write vertical addition

~10 min

Write ones under ones and tens under tens.

Ones under ones

Ones under ones
  • When you write addition in a column, put the ones digits in the same column. The ones digits should be straight up-and-down.

When you write addition in a column, put the ones digits in the same column. The ones digits should be straight up-and-down.

💡 Look at the last digit in each number—those are the ones.