Chapter 10.4

Addition with Regrouping Up to 1000


What You'll Learn

Understand place value and how regrouping works in addition problems up to 1000
Identify when regrouping is needed in the ones, tens, or hundreds place
Apply the regrouping method to combine three-digit numbers accurately
Recognize patterns in carrying over values from one place to the next

What You'll Practice

1

Adding two three-digit numbers with regrouping in multiple places

2

Solving addition problems that require carrying from ones to tens

3

Computing sums where regrouping occurs in tens and hundreds columns

Why This Matters

Addition with regrouping is essential for handling money, measuring distances, and solving everyday math problems. This skill builds the foundation for multi-digit multiplication, long division, and mental math strategies you'll use throughout your education and daily life.

This Unit Includes

Practice exercises

Skills

Addition
Regrouping
Place Value
Three-Digit Numbers
Carrying
Mental Math
ca flag

CA Curriculum Aligned

Pug instructor