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# Worksheet Questions - Integers Class 7 Notes | EduRev

## Class 7 : Worksheet Questions - Integers Class 7 Notes | EduRev

The document Worksheet Questions - Integers Class 7 Notes | EduRev is a part of the Class 7 Course Mathematics (Maths) Class 7.
All you need of Class 7 at this link: Class 7

Ques 1: Fill in the blanks:
(a) 30 ÷ ________ = 3
(b) – 89 ÷ ________ = 89
(c) ________ ÷ 1 = – 205
(d) ________ × (–12) = 120
(e) 24 + 12 ÷ 4 – 5 × 3 = ________

Ans: (a) 10
(b) –1
(c) –205
(d) –10
(e)   12

Ques 2: Find the value of P, if p × (–9) = 135

Ans: P = –15

Ques 3: The additive inverse of zero (0) is ________.

Ans: 0

Ques 4: Match the properties of Integers:

 (a) Distributive law over addition (i) a + 0 = a = 0 + a (b) Associative law for multiplication (ii) a + b = b + a (c) Additive Identity (iii) (a × b) × c = a × (b × c) (d) Commutative law over addition (iv) a × 1 = 1 × a = a (e) Multiplicative Identity (v) a × (b + c) = a × b + a × c

Ans: (a) (v)
(b) (iii)
(c) (i)
(d) (ii)
(e) (iv)

Ques 5: Use the sign of >, < or = in the box to make the statement true.
(a) 25 – 40 + 10 25 – 40 – 10
(b) (–9) + (–6) (–9) – (–6)
(c) 35 + (–70) – (–35) (–24) – (15) + 39

Ans: (a) >
(b) <
(c) =

Ques 6: Evaluate :
(a) (–1) × (–2) × (–3) × (–4) × (–5)
(b) 795 × (–25) + (–795) × 75
(c) (–59) × (–19) + 59

Ans: (a) –120
(b) –79500
(c) 1180

Ques 7: An elevator descends in to a mine shaft at the rate of 7m/min. If he descent starts from 5m above the ground level, how long will it take to reach – 205m?

Ans. 30 min.

Ques 8: With the help of number line find how much greater is the number 3 then –3. Ans: Ques 9: The sum of two integers is –1500. One of the number is 599. Find the other number.

Ans:–2099

Ques 10: Write the answer in True/False :
(a) When 0 is divided by an integer, the quotient is zero.
(b) The proudct of an integer and 1 is an integer.
(c) When an integer in divided by itself, the quotient is 1.

Ans: (a) True
(b) True
(c) True

Ques 11: The product of two integers is –160. If one of them is 20, find the other.

Ans: –8

Ques 12: What integers should be multiplied by (–12) to becomes –300.

Ans: 25

Ques 13: Pallavi got the scholearship of  1000 from the her school. If she gives 550 for the help of flood relief, find the balance amount with her.

Ans: ₹ 450

Ques 14: A building has 21m height. A monkey can climb 3m in one jump. In how many jumps, would the monkey reach at the top of the building?

Ans: 7

Ques 15: Fill in the blanks using different operations :

 Operations 18 36 54 72 +25 –17 ×6 ÷18

Ans:

 Operations 18 36 54 72 +25 43 61 79 97 –17 1 19 37 55 ×6 108 216 324 432 ÷18 1 2 3 4
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