Chapter 1.2

Numeral expanding up to 999


What You'll Learn

Understand place value in three-digit numbers (hundreds, tens, ones)
Expand numerals up to 999 into their place value components
Recognize how digits represent different values based on their position
Express numbers as sums of hundreds, tens, and ones

What You'll Practice

1

Expanding three-digit numbers into place value form

2

Filling in blanks to show expanded notation

3

Breaking down numbers from 100 to 999 into component parts

Why This Matters

Understanding how to expand numerals builds your foundation for all future math. This place value skill is essential for addition, subtraction, multiplication, and understanding how our number system works in everyday situations like money and measurements.

This Unit Includes

Practice exercises

Skills

Place Value
Expanded Form
Three-Digit Numbers
Number Sense
Numeration
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