# Vertical Addition and Subtraction Strategy

In second-grade when kids develop fluency in addition and subtraction two-digit and three-digit numbers. There are many strategies students can use:

• jumping strategy,
• hundreds chart,
• split strategy,
• compensation strategy,
• block strategy,
• ten frames strategy,
• and mental strategy. In this article, we will explain addition and subtraction two- and three-digits numbers using vertical strategy. The vertical strategy is when students place one number above the other according to the value it has. First hundreds, then ten and ones. In this method, students use vertical columns to add or subtract numbers. It may require regrouping (trading) – replacing the quantity of smaller or bigger parts without modifying its value.

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## Vertical Addition and Subtraction without Regrouping

The sum is less than 10, so no regrouping (trading) to the tens is required.

Vertical subtraction without regrouping.
Fewer tens are being taken away, so no regrouping (trading) is required. ## Vertical Addition and Subtraction with Regrouping 