Math Example--Arithmetic--Two-Digit Sums to 20 (With Regrouping)--Example 31

Topic

Addition

Description

Example 31 shows a math problem involving addition of two-digit numbers (4 + 16) with regrouping. A number line is used to visualize the addition process, with steps marked out to show the count from 4 to 10. The solution demonstrates carrying over a 1. Example 31: Find the sum of 4 + 16. Solution involves using a number line to add ones place, regrouping by carrying 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, Example 31 shows a math problem involving addition of two-digit numbers (4 + 16) with regrouping. A number line is used to visualize the addition process, with steps marked out to show the count from 4 to 10. The solution demonstrates carrying over a 1. 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.