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3rd Grade Math
10. 3.NBT.A.1
10.4 Expanded Form of Multi-Digits
Expanded Form of Multi-Digit Numbers
Master writing multi-digit numbers in expanded form by breaking each digit down into its true place value, step by step.
What You'll Practice
1
Writing numbers up to 999 in expanded form
2
Finding missing numbers in expanded form expressions up to 10,000
3
Matching standard form numbers to their expanded forms
Why This Matters
Understanding expanded form strengthens your number sense and helps you see how our number system works. This skill is essential for learning addition, subtraction, rounding, and comparing larger numbers throughout elementary math.
This Unit Includes
Practice exercises
Learning resources
Skills
Place Value
Expanded Form
Standard Form
Number Sense
Multi-Digit Numbers
OH Curriculum Aligned