Class II Mathematics
Chapter 3: Double Digit Subtraction
Standard NCERT & CBSE aligned study curriculum. Master concepts, track accuracy, revise weak areas, and challenge yourself with 9 customized practice modes.
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Syllabus Sections
Key Formulas & Equations
Click Copy to duplicateBorrowing Rule
1 \text{ Ten} = 10 \text{ Ones}
Borrows one ten from tens place to add ten ones to units place.
Related Formulas from Adjacent Chapters
Addition Carrying Rule
10 \text{ Ones} = 1 \text{ Ten}
[From Double Digit Addition] Regroups ten ones into one ten and carries it over.
Multiplication definition
a \times b = b + b + ... (a \text{ times})
[From Introduction to Multiplication] Calculates sum of equal groups of size b repeated a times.