🔢 Double Digit Operations
🏆 Abacus Junior • Level 3 • Double & Triple Digit
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Questions:
10
15
20
50
100
Difficulty:
Easy (10–50 + 1–9)
Medium (10–99 + 10–99)
Hard (carry/borrow)
Level:
Level 1 (1 row)
Level 2 (2 rows)
Level 3 (3 rows)
Level 4 (4 rows)
Level 5 (5 rows)
Operation:
Addition
Subtraction
Mixed
Mode:
Printable
Interactive
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🖶 Print
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