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Line 2:
Line 2: − +
→Subtraction
# [http://karnatakaeducation.org.in/KOER/en/images/7/7d/Subtraction_2.odt simple subtraction]
# [http://karnatakaeducation.org.in/KOER/en/images/7/7d/Subtraction_2.odt simple subtraction]
# [[:File:subtraction 3 .odt]]
# [http://karnatakaeducation.org.in/KOER/en/images/3/30/Subtraction_3_.odt two digit subtraction]
# [[:File:subtraction 4.odt]]
# [[:File:subtraction 4.odt]]