Practice the questions given in the worksheet on subtracting integers. We know that the difference of any two integers is always an integer.
I. Subtract the following: (i) + 9 from + 12 (ii) + 15 from - 21
(iii) - 42 from + 74 (iv) - 10 from + 25 (v) 7 from 15 (vi) +7 from -15 (vii) -7 from +15 (viii) -7 from 15 |
(ix) 346 from 293 (x) -80 from 0
(xi) 0 from+39 (xii) -59 from -100 (xiii) -350 from 200 (xiv) 63 from -63 (xv) 0 from -247 (xvi) -55 from +55 |
II. Fill in the blanks: (i) (-9) - ……….. = 15 (ii) (-17) - ……….. = -4
(iii) (-9) - ……….. = 3 (iv) -15 – 27 = ……….. (v) 15 – 27 = ……….. |
(vi) -15 – 0 = ……….. (vii) 0 – 27 = ………..
(viii) 0 – (-27) = ……….. (ix) (-8) - ……….. = -3 (x) ……….. – (-5) = +13 |
III. Subtract the following integers:
(i) 8 - 9
(ii) (-5) - 9
(iii) 6 – (-8)
(iv) (-4) – (-6)
(v) (-2) – (-4) – (-6)
(vi) (+18) – (-12) – (+6) – (-9)
IV. Using a number line find the value of the following:
(i) 2 - (-4)
(ii) - 4 - (- 5)
(iii) - 7 - (-3)
(iv) - 8 - (-14)
V. Subtract
(i) -16 from 35
(ii) 40 from -90
(iii) -28 from -66
VI. Subtract
(i) 702 from -300
(ii) -422 from 420
(iii) -28 from -85
(iv) -87 from -256
VII. From the sum of -44 and -38 subtract -82.
VIII. Subtract the sum of -4545 and 1285 from -601.
IX. Subtract the sum of -208 and 189 from the sum of 814 and -146.
X. Add -49 to the difference of -99 and -82.
XI. Find the value of the following.
(i) (-42) - 16 + (-23) - 8
(ii) (-18) + 6 - 34 + 60
(iii) -100 - [(-26) + (-15) + (-6)]
(iv) -70 + (-17) - (-62) + (-19)
XII. Simplify the following.
(i) (-86) + 256 + (-39) + 78 + (-16)
(ii) -24 + (-4) + 86 + (-35) + (-245) + 187
XIII. The difference between an integer 'n' and (-21) is -32. Find the value of n.
XIV. Fill in the blanks:
(i) To subtract (- 8) from 16, we add ……………… to 16.
(ii) To subtract 8 from - 16, we add ……………… to - 16.
(iii) The opposite (negative) of a negative integer is a ……………… integer.
(iv) If a and b are two integers then a + b is also ……………… .
Answers for the worksheet on subtracting integers are given below to check the exact answers of the above questions on subtraction.
Answers:
I. (i) +3 (ii) -36
(iii) +116 (iv) +35 (v) +8 (vi) -22 (vii) +22 (viii) +22 |
(ix) -53 (x) +80
(xi) +39 (xii) -41 (xiii) +550 (xiv) -126 (xv) -247 (xvi) +110 |
II. (i) -24 (ii) -13
(iii) -12 (iv) -42 (v) -12 |
(vi) -15 (vii) -27
(viii) +27 (ix) -5 (x) +8 |
III. (i) -1
(ii) -14
(iii) 14
(iv) 2
(v) 8
(vi) +33
IV.
V. (i) 51
(ii) -130
(iii) -38
VI. (i) -1002
(ii) 842
(iii) -57
(iv) -169
VII. 0
VIII. 2659
IX. 687
X. -66
XI. (i) -89
(ii) 14
(iii) -53
(iv) -44
XII. (i) 193
(ii) -35
XIII. -53
XIV. (i) +8
(ii) -8
(iii) positive
(iv) Integer
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