Integers Questions for Class 7 with Answers
Worksheet 1
1.
Fill in the blanks.
a. The predecessor and successor of
–95 are ________ and ________ respectively.
b.
Integers between –5 and 1 are ___________.
c.
(–7) + (–11) is equal to ___________.
d.
−73 + 28 + 30 − 16 is equal to ___________.
e.
−125 + 25 is equal to ___________.
2.
Simplify the following:
a. (−13) + 25
b. (−37) − (− 16)
c. | 28 | − | −18 |
d. 35 − (−8)
e. (+8 × −12)
f. (−22) × (−22)
g. (−45) × (20)
h. |−19| × | +6 |
i. |−325| ÷ −|−25|
j. (−64) ÷ (−4)
3.
Find the sum of each of the following using
the number line.
a. 3 and 5
b. (–3) and (–5)
c. (–8) and 4
4.
State true or false.
a.
(− 5) × (−3) × |− 4| is equal to –60.
b.
If temperature of –24°C rises by 7°C, then the new temperature recorded is
–17°C.
c.
−|+4| − |−6| − |+10| is –8.
d.
−15 (−11) is equal to –4.
e.
−|−12| ÷ | −4| is equal to –3.
5.
Write down the following integers in
descending order:
a. –16, –21, –13, 0, –18, –15, –10
b. –5, 0, –9, –36, –25, –10, 6, 2, 13
6.
Find the integer (*) which satisfies the
following conditions.
a. 7 + * = 0
b. (−20) + * = 0
7.
Write all the integers between –23 and –12.
8.
Write down the additive inverse of the
following:
a. –13 b. 35
c. |–27| d. |20|
9.
Write 3 consecutive even integers:
a. preceding (16)
b. preceding
(–106)
10.
Simplify the following:
a. (7) + (−8) + (−4) + (+9)
b. (−5) − (−6) + (12) + (−10)
c.
|−15| − |7| + |−8| − |−3|
11.
Divide the product of (–12) and (–6) by (–9).
Worksheet
2
1. Fill in the blanks and complete the table with
the appropriate values.
2.
Choose the correct option.
a.
(−7) × (− 8) is equal to
i. –56
ii. 56
iii. –15
iv. +15
b.
−|−15| + |−7| + |5| is equal to
i. 27
ii. –13
iii. 12
iv. –3
c.
−242÷ 11 is equal to
i. –22
ii. 22
iii. 11
iv. 2
d.
18 + (−15) + 3 − 6 is equal to
i. 39
ii. 30
iii. 0
iv. –15
e.
| −20 | × | −2 | × | −5 + 3 | is equal to
i. 80
ii. –80
iii. –24
iv. +24
3.
Match the following with the correct answer:
a.
The number that must be added to –23 gives –15 is i. 55
b. Value of (−17) + (−17) + 55 + 34 ii. +8
c. If x + y = −7 and y = −4, then x is equal to iii. –5
d.
|−27| − |−32| iv. 0
e.
The product of any integer and zero is always equal to v. –3
4.
Write down the predecessor and the successor
of each of the following:
a. –253
b. 117
c. |–75|
d.
|+18|
5. State true or false.
a. Sum of two negative integers gives
a negative result.
b. Product of the absolute value of two
negative integers is negative.
c. Sum of an integer and its additive
inverse is always equal to zero.
d. Of all positive integers zero is
the least.
e.
3 + (−5) = (−5) + (3) is true by the commutative law.
6.
Simplify the following:
a. [(−8) + (−16) + (−14)] ÷ |−19|
b. (−3) × (−5) + (−6) × 5
c. (−15) −10 + 9 + 17
d. 45 ÷ (−15) + 5 × (−6) × (−2)
7.
Find the unknown integer ‘x’ satisfying
the following conditions.
a. x + |−10| = 0
b. (−x) + (−2) = 0
8.
Write the following integers in ascending
order.
a. 3, –3, 2, 4, –5, 6, –7, 10
b. 0, 3, –4, 2, –5, 12, –6, –11
9.
Simplify and give your answer in the simplest
form.
a. (−6) × (−8) ÷ (−12)
b. |−15| × |7| × (−3)
c. 32 × (−9) × (−6)
10.
Write 8 consecutive odd integers.
a. succeeding (–7)
b.
succeeding (–205)
11.
Find the sum of each of the following using
the number line.
a. 7 and (–5)
b. |–5| and |5|
c. |–3| and |–4|
12.
Subtract the sum of (–39) and 54 from the sum
of (–28) and 33.
ANSWERS
Worksheet 1
1. a. -96, -94
b. -4, -3, -2, -1, 0
c. -18
d. -31
e. -100
2. a. 12 b. -21
c.
10 d. 43
e. -96 f. 484
g. -900
h. 114
i. -13 j. 16
3. a. 8 b. -8
c. -4
4. a. False b. True
c. False d. False
e. True
5. a. 0, –10, –13,
–15, –16, –18, –21
b. 13, 6, 2, 0, –5, –9, –10, –25, –36
6. a. -7 b. 20
7. -22, -21, -20,
-19, -18, -17, -16, -15, -14, -13
8. a. 13 b. -35
c. -27
d. -20
9. a. 15, 14, 13
b. -107, -108, -109
10. a. 4 b. 3
c. 13
11. -8
Worksheet 2
1. Do it yourself
2. a. ii b. iv
c. i d.
iii
e. i
3. a. ii b. i
c. v d. iii
e. iv
4. a. Predecessor = -254
Successor = -252
b. Predecessor = 116
Successor = 118
c. Predecessor = 74
Successor = 76
d. Predecessor = 17
Successor = 19
5. a. True b. False
c. True d. True
e. True
6. a. -2 b. -15
c. 1 d. 57
7. a. -10 b. -2
8.
a. –7, –5, –3, 2, 3, 4, 6, 10
b. –11, –6, –5, –4, 0, 2, 3, 12
9. a. -4 b. -315
c. 1728
10. a. -5, -3, -1, 1, 3, 5, 7, 9
b. -203, -201, -199,
-197, -195, -193, -191, -189
11. a. 2 b. 10
c. 7
12. -10
Related Topics:
Integers, comparing and ordering, absolute value of an integer
Addition, subtraction of integers, additive identity, additive inverse
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