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Grade 1
Number
8. Demonstrate an understanding of addition of numbers with answers to 20 and their corresponding subtraction facts, concretely, pictorially and symbolically
8.5 Addition with regrouping up to 20
Addition with regrouping up to 20
What You'll Learn
Recognize when adding two numbers requires regrouping (carrying)
Apply regrouping strategies to add single-digit numbers with sums up to 20
Break down numbers into tens and ones to simplify addition
Calculate sums that exceed 10 by carrying over to the tens place
What You'll Practice
1
Adding two single-digit numbers with sums between 11 and 20
2
Regrouping ones into tens when the sum exceeds 10
3
Solving addition problems that require carrying
Why This Matters
Addition with regrouping is a foundational skill you'll use every day, from counting money to solving complex math problems. Mastering this concept now builds the mental math skills you need for multi-digit addition, subtraction with borrowing, and all future arithmetic.
This Unit Includes
1 Video lesson
Practice exercises
Skills
Addition
Regrouping
Carrying
Place Value
Mental Math
Number Sense
PEI Curriculum Aligned