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Number of digits
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Show answer key
Second page with answers highlighted
Custom title
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Teaching Tips
- 1
Ensure addition fluency before introducing subtraction.
- 2
Borrowing (regrouping) is the key skill for 2-digit problems.
- 3
Students can check answers by adding the result back.
Grade Level Guide
Grade 1Differences within 20
Grade 22-digit, no borrowing
Grade 32-digit with borrowing
Grade 4+3-4 digit problems