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3rd Grade Math
9. 3.NBT.A.2
9.6 Identifying the Missing Digits (Subtraction)
Identifying the Missing Digits (Subtraction)
What You'll Learn
Identify missing digits in subtraction problems with numbers up to 1000
Apply place value understanding to determine unknown values in equations
Use inverse operations to solve for blanks in subtraction statements
Verify solutions by checking that the subtraction equation balances correctly
What You'll Practice
1
Finding missing digits in vertical subtraction problems
2
Completing subtraction equations by filling in blank spaces
3
Balancing subtraction equations with unknown values
Why This Matters
Finding missing digits in subtraction builds your problem-solving skills and deepens your understanding of how numbers work together. This skill strengthens your mental math abilities and prepares you for algebra, where solving for unknown values is essential.
This Unit Includes
Practice exercises
Skills
Subtraction
Place Value
Missing Digits
Problem Solving
Inverse Operations
Number Sense
TN Curriculum Aligned