1.Fill in the blanks:
(i) The absolute value of 0 is ………
(ii) The sum of two negative integers is always a ……….. integer.
(iii) The smallest positive integer is ……………
(iv) The largest negative integer is ………….
(v) 17 + ………….. = 0
(vi) ……………. -15 = -10
(vii) The predecessor of -99 is …………
(viii) If the sum of two integers is -17 and one of them is -9, then the other is ____________
(ix) The greatest negative integer is _____________
(x) the difference of the greatest negative integer and the smallest positive integer is____________
2.State whether the following statements are true (T) or false (F):
(i) The sum of a positive integer and a negative integer is always a negative integer.
(ii) Zero is an integer.
(iii) The sum of an integer and its negative is always zero.
(iv) The sum of three integers can never be zero.
(v) |-7| < |-3|.
(vi) -20 is to the left of -21 on the number line.
(vii) The successor of -29 is -30.
(viii) 0 is greater than every negative integer.
(ix) The difference of two integers is always an integer.
(x) Additive inverse of a negative integer is always a positive integer.
Answers
Answer:
.Fill in the blanks:
(i) The absolute value of 0 is 0.
(ii) The sum of two negative integers is always a negative integer.
(iii) The smallest positive integer is 0.
(iv) The largest negative integer is -1.
(v) 17 +( -17 )= 0
(vi) 5-15 = -10
(vii) The predecessor of -99 is -100.
(viii) If the sum of two integers is -17 and one of them is -9, then the other is -8.
(ix) The greatest negative integer is -1.
(x) the difference of the greatest negative integer and the smallest positive integer is -1.
2.State whether the following statements are true (T) or false (F):
(i) The sum of a positive integer and a negative integer is always a negative integer. F.
(ii) Zero is an integer. T.
(iii) The sum of an integer and its negative is always zero. T.
(iv) The sum of three integers can never be zero. F.
(v) |-7| < |-3|. T.
(vi) -20 is to the left of -21 on the number line. T.
(vii) The successor of -29 is -30.F.
(viii) 0 is greater than every negative integer. T.
(ix) The difference of two integers is always an integer. T.
(x) Additive inverse of a negative integer is always a positive integer.T.