Practice the questions given in the worksheet on adding integers. We know that the sum of any two integers is always an integer.

**I. Add the following integers:**

(i) + 84 and + 45

(ii) - 63 and - 23

(iii) -44 and + 35

(iv) +12 and -20

(v) + 2245 and -1013

(vi) -260 and 0

(vii) -57 and -476

(viii) 274 and - 342

(ix) + 145 and +264

(x) - 814 and +415

**II. Fill in the
blanks:**

(i) 15 + 27 = ………..

(ii) 27 + 15 = ………..

(iii) 27 + 0 = ………..

(iv) 0 + 15 = ………..

(v) 7 + ……….. = 0

(vi) (-9) + ……….. = 0

(vii) 17 + (-17) = ………..

(viii) (-7) + ……….. = -5

**III. Add the
following:**

(i) 7 + 9

(ii) (-4) + 9

(iii) 2 + (-2)

(iv) (-7) + (-6)

(v) (-8) + (-4) + (-9)

**IV. Evaluate the
following:**

(i) (+423) + (253)

(ii) (-423) + (+253)

(iii) (+423) + (-253)

(iv) (-423) + (-253)

**V. Find the value of
the following:**

(i) 3 + 4 + (-6) + (-6) + 2

(ii) 11 + 53 + (-40) - 29

(iii) (-98) + (-43) + 69 + 77

(iv) 41 + (-73) + 23 - 85

**VI. State whether the
following statements are true (T) of false (F).**

(i) The sum of two integers can be zero.

(ii) The addition of three distinct integers is zero if one of integer is zero.

(iii) The addition of a negative (-ve) integer and a positive (+ve) integer is always a negative (-ve) integer.

(iv) The addition of an integer and its opposite is zero.

(v) The addition of two negative (-ve) integers is always a positive (+ve) integer.

Answers for the worksheet on adding integers are given below to check the exact answers of the above questions on addition.

**Answers:**

**I.** (i) +129

(ii) -86

(iii) -9

(iv) -8

(v) + 1232

(vi) -260

(vii) -533

(viii) -68

(ix) + 409

(x) – 399

**II.** (i) 42

(ii) 42

(iii) 27

(iv) 15

(v) -7

(vi) 9

(vii) 0

(viii) 2

**III.** (i) 16

(ii) 5

(iii) 0

(iv) -13

(v) -21

**IV.** (i) 676

(ii) -170

(iii) 170

(iv) -676

**V.** (i) -3

(ii) -5

(iii) 5

(iv) -94

**VI.** (i) T

(ii) F

(iii) F

(iv) T

(v) F

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