Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 9

Topic

Addition

Description

A two-digit addition problem with the equation 2 + 9. The image includes a number line from 0 to 20, with movement from 2 to 11, and regrouping with a carry of 1 to the tens place. Example 9: "Find the sum. 2 + 9. Solution: 1. Add the digits in the ones place using the number line. 2. Use regrouping to put a one in the ones place and carry the 1 to the tens place." shows this in practice.

Addition, specifically two-digit sums with regrouping, is foundational for building strong numerical skills. The examples provided in this collection illustrate various ways to solve two-digit addition problems, allowing students to visualize the process of regrouping and to understand each step more deeply.

By examining multiple examples, students gain exposure to a variety of problems, helping them identify patterns and reinforce their understanding. This collection supports students by offering numerous worked-out examples to solidify their grasp on two-digit addition with regrouping.

Teacher’s Script: Today, we are going to look at an example of adding two-digit numbers with regrouping. In this problem, a two-digit addition problem with the equation 2 + 9. The image includes a number line from 0 to 20, with movement from 2 to 11, and regrouping with a carry of 1 to the tens place. Notice how we carry over any values greater than 9 to the next column, reinforcing our understanding of place value.

For a complete collection of math examples related to Addition click on this link: Math Examples: Adding Two-Digit Numbers with Regrouping Collection.