Worksheet for Class 7 Maths Chapter 2 Arithemtic expressions with Answers

Multiple Choice Questions

Question 1. $3 \times 7 + 1$ evalute to
(A) 10
(B) 21
(C) 22
(D) 24
Question 2. $1 – 2 + 3 – 4 + 5 – 6 + 7 – 8 + 9 – 10$=
(A) -5
(B) 5
(C) -4
(D) 4
Question 3. $5 \times (9 − 4) + 3 \times (8 − 5)$?
(A) 35
(B) 34
(C) 38
(D) 21

Answer 1-3

1. (C)
2. (A)
3. (B)

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Fill in the blanks

Question 4. $55 - 10 \times 3+ 6=$ __________.
Question 5. $100 - 33 \div 3 + 5$ __________ .

Answer 4-5

4. 31
5. 94

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True or false:

Question 6. $25 -(5 + 3) = 25 -5 +3$
Question 7. $56 -(45 -6) = 56 -45+6$

Answer 6-7

6. False
7. True

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Solve following Problems

Question 8. Vijay brought 100 kg rice from whole sale market and made the packet of 2 kg from them. He sold 10 packet on the first. How many packet are left now

Answer

Number of packet made= $100 \div 2$
Number of packet remaining after 10 packet are sold = $100 \div 2 -10$
=50 -10 =40
So 40 packet are remaining after the sale

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Question 9. solve these
(i) $15 + 10 \times 3$
(ii) $(3 \times 5) + (5 \times 2)$
(iii) $50 - 3 \times 11 + 5$

Answer

(i)$ 15 + 10 \times 3 = 15 + 30=45$
(ii) $ (3 \times 5) + (5 \times 2)= 15 + 10 =25$
(iii)$50 - 3 \times 11 + 5= 50 -33 + 5=22$

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Question 10. Simplify these expressions
(i) $ (4 + 10 \div 2) \times 4$
(ii) $(6 \div 2) \times ( 12 \div 3)$

Answer

(i) $ (4 + 10 \div 2) x 4= (4 + 5) \times 4= 9 \times 4 =36$
(ii) $(6 \div 2) \times ( 12 \div 3)=(3) \times (4) = 3 \times 4 = 12$

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Question 11. Fill in the blanks
(i) 2 x 4 ___ 3 x 4= (2 + 3) ___ 4
(ii) (11 + 2) x 4 = 11 x __ + 2 x ___

Answer

(i) $ 2 \times 4 + 3 \times 4 = (2+3) \times 4$
(ii) (11 + 2) x 4 = 11 x 4 + 2 x 4

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Question 12. Compare the following pairs of expressions using ‘<’, ‘>’, or ‘=,’ or by reasoning
(i) 72 x 20 - 14 ___ 72 x 18 -14
(ii) 145 - 3 x 6 ___ 145 - 3 x 5
(iii) 188 + 3 x 15 + 120 ___ 188 + 4 X 15 + 120
(iv) 45 - (2 + 3) ___ 45 -2 -3

Answer

(i) >
(ii) >
(iii) <
(iv) =

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