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1st Grade Math
11. 1.NBT.C.4
11.6 Addition with regrouping up to 100
Addition with regrouping up to 100
What You'll Learn
Recognize when regrouping is necessary in two-digit addition problems
Apply the regrouping method when the ones column sum exceeds 9
Calculate sums up to 100 by carrying over to the tens place
Solve addition problems using place value understanding and regrouping
What You'll Practice
1
Adding two-digit numbers that require regrouping in the ones place
2
Solving missing number problems involving regrouping
3
Computing sums where ones digits add up to 10 or more
Why This Matters
Addition with regrouping is a fundamental math skill you'll use every day, from handling money to measuring ingredients. Mastering regrouping builds your number sense and prepares you for multi-digit addition, subtraction with borrowing, and all future math operations.
This Unit Includes
1 Video lesson
Practice exercises
Skills
Regrouping
Place Value
Two-Digit Addition
Carrying
Mental Math
OH Curriculum Aligned