Question

Subject : Math 1) Fill in the blanks : i) Counting numbers are also called as ___________ ii) The set of natural numbers and zero together form the set of ____________ iii) The set of natural numbers is represented by _________ iv) The set of whole numbers is represented by _________ v) The set of whole numbers and their opposites together form the set of _____________ vi) The set of integers is represented by _________ vii) ______ is neither positive nor negative. viii) The ____________ of an integer is the value of the integer irrespective of their sign ix) The absolute value of -8 is _______ x) If a and b are two integers, then a + b = ___________ xi) If a, b and c are any three integers, then a + (b + c) = ____________ xii) ____________ is called the additive identity. xiii) The additive inverse of (- 17) is __________ xiv) a + _____ = 0 xv) a - _____ = a 2) Solve the following : i) Evaluate : a) |(-2) + 1| b) |(-3) + (-4)| c) |5 - (-4)| d) |6 - 8| ii)Find the sum : a) 54 , (-24) b) (-38) , 54 c)(-61) , (-52) d) (-73) , (-12) , (-50) d) 78 , (-37) , 49 e) (-64) , 40 , 55 iii) Subtract : a) 14 from 9 b) (-15) from (-61) c) (-43) from 23 d) 54 from (-32) iv) Evaluate : a) - 45 - 33 b) 26 - (-11) c) {34 - (+13)} + 32 d) -16 + (25 – 34) v) If a = 27 , b = -10 and c = 40, show that a - (b - c) ≠ (a - b) - c vi) From the sum of (- 109) and 312, subtract (- 150). vii) A number x, added to (- 119) is 201. Find x.

Answer 1

Answer:

i) natural numbers

ii whole numbers

iii 1234567890

iv 01234.......

vii 0

Answer 2

Answer:

1} = natural

Step-by-step explanation:

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