ID : U-318240-10-2299-Integers [1]
Class 7
Integers
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Choose correct answer(s) from the given choices
(1) If a and b are integers, then (a − b) is an:
a. Even Number b. Integer
c. Fraction d. Rational number
Fill in the blanks
(2) A + B = B + A represents the property of addition.
(3) +10 − +8 =
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10
(4) Subtract the sum of :
A) (5145) and (-2311) from (3704) =
B) (-9790) and (6330) from (4559) =
(5) Find the sum of the following series if the number of terms is 124.
7 + (-7) + 7 + (-7) + 7 + (-7) + ..... =
Check True/False
(6) The additive inverse of a negative number is positive.
True False
(7) Every negative number is greater than every natural number.
True False
(8) Zero is larger than any negative number.
True False
Answer the questions
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ID : U-318240-10-2299-Integers [2]
(9) Find the sum of the following integers:
A) -33117 and -99184 B) -49762 and -83803 C) -47828 and -5268
D) -67028 and -7262 E) -16872 and -55194 F) -57106 and -63289
(10) Find the smaller number in the given pairs :
A) 10, 13 B) -17, -24
C) 12, 21 D) -28, 22
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ID : U-318240-10-2299-Integers [3]
Answers
(1) b. Integer
(2) Commutative
(3) 2
(4) A) 870
B) 8019
(5) 0
(6) True
(7) False
(8) True
(9) A) -132301 B) -133565 C) -53096
D) -74290 E) -72066 F) -120395
(10) A) 10 B) -24
C) 12 D) -28
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