S Chand ICSE Mathematics Class 6 Solution Second Chapter Natural Numbers and Whole Numbers Exercise 2C (O.P. Malhotra, S.K. Gupta, Anubhuti Gangal)

S Chand ICSE Mathematics Class 6 Solution Second Chapter Natural Numbers and Whole Numbers Exercise 2C (O.P. Malhotra,  S.K. Gupta, Anubhuti Gangal)

Exercise 2C

(1) FOR EACH ADDITION SENTENCE, WRITE TWO SUBSTRACTION SENTENCES.

(a) 8+17= 17+8=257, 25-17=8= 25-8=17 ,

(b)75+59=59+75=134, 134-75=59=134-59=75

(c)101+278=278+101=397, 397-278=101=397-101=278

(2) PERFORM THE FOLLOWING SUBTRACTIONS AND CHECK YOUR RESULT BY CORRESPONDING ADDITION

(a)13407-10999=2408, check: 10999+2408=13407

(b) 100000-95673=4327, Check: 95673+4327=100000

(C)3030301-676767=2353534, Check: 2353534+676767=3030301

(d)80093000-989996= 79103004, 79103004+989996=80093000

(3) Solution: 378-(152+79)= 378-231=147

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