Page 102 - Demo

102 Arrow-Puffin-2_Semester-2 MathsII. Do the addition.Sonali has 57 cm of ribbon. She cuts 24 cm of ribbon. How much ribbon is she left with?SUBTRACTION OF LENGTHSubtraction of length is the same as the subtraction of ordinary numbers.Sonali is left with 33 cm of ribbon.%u2022 The millimetre (mm) is the smallest measure of length.%u2022 100 cm = 1 m%u2022 1000 mm = 1 mm6 4+ 3 2m4 5+ 7 2m4 8+ 3 5m2 4+ 1 5m5 4+ 1 9m6 7+ 3 4m cm9 2 3+ 5 1 6m cm21 53+ 3 03m cm1 2 3 5+ 1 5 4 2m cm1 1 3 8+ 8 8 4m cm 6 8 9+ 1 5 3 7m cm1 7 3 0+ 5 6 9cm5 72 43 3Let's Understand Conceptual Understanding