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2nd Grade Math
7. 2.NBT.A.3
7.2 Place value tables up to 999
Place Value Tables Up to 999
Learn how to sort digits into hundreds, tens, and ones columns using a place value table, then read the number straight back off the chart.
What You'll Learn
Identify the hundreds, tens, and ones columns in a place value table
Apply \( N = 100h + 10t + o \) to write any number up to 999 in a table
Place each digit of a number into its matching column without mixing up positions
Compare two numbers by checking their digits column by column, starting with hundreds
Convert a filled-in place value table back into standard written form
What You'll Practice
1
Filling in place value tables with hundreds, tens, and ones
2
Converting written numbers to place value table format
3
Identifying the value of specific digits in three-digit numbers
Why This Matters
Understanding place value is the foundation of all number work in math. You'll use this skill every time you add, subtract, multiply, or compare numbers, and it's essential for understanding money, measurement, and decimals as you advance.
This Unit Includes
Practice exercises
Learning resources
Skills
Place Value
Number Sense
Three-Digit Numbers
Hundreds
Tens and Ones

IL Curriculum Aligned