Arithmetic Expressions Extra Questions And Answers - Class 7 Mathematics | detailed solutions

Maximum Marks: 30
Attempt all questions

• Question numbers 1 to 5 carry 1 mark each.
• Question numbers 6 to 8 carry 2 marks each.
• Question numbers 9 to 11 carry 3 marks each.
• Question numbers 12 to 13 carry  5 marks each.

Q1. What is the value of the expression 8 + 7? (1 Mark)
(a) 13
(b) 14
(c) 15
(d) 16

Q2. Which operation should be performed first in the expression 20 − 5 × 2? (1 Mark)
(a) Subtraction
(b) Multiplication
(c) Addition
(d) Division

Q3. How many terms are in the expression 12 + 4 × 3 − 6? (1 Mark)
(a) 2
(b) 3
(c) 4
(d) 5

Q4. State whether the following statement is True or False:  (1 Mark)
"The commutative property of addition states that changing the order of terms does not affect the sum."

Q5. What is the value of 10 × (3 + 2)? (1 Mark)
(a) 50
(b) 32
(c) 25
(d) 60
Q6. Evaluate the expression 15 + 6 × 4. Identify the terms before evaluation. (2 Mark)

Q7. Compare the expressions 18 − 3 and 5 × 3 using '<', '>', or '='. (2 Mark)

Q8. Write the expression 100 − 20 − 5 using brackets to ensure subtraction is performed in the correct order, and evaluate it. (2 Mark)

Q9. Evaluate the expression 4 × 5 + 3 × 2 using the distributive property. Verify by evaluating terms directly. (3 Mark)

Q10. A shop sells pens at ₹15 each and notebooks at ₹30 each. If 2 pens and 3 notebooks are purchased and ₹100 is paid, write an expression for the change received and evaluate it. (3 Mark)

Q11. Convert the expression 50 − 10 + 4 × 5 into addition of terms and evaluate it. (3 Mark)

Q12. A group orders 5 meals at ₹40 each and 2 drinks at ₹15 each, with an additional ₹10 tip. Write an expression for the total cost, identify its terms, and evaluate it. Then, if the group pays ₹300, calculate the change received. (5 Mark)

Q13. Evaluate the expression 3 × (10 + 4 × 5). Then, rewrite it using the distributive property without brackets and evaluate to verify. Calculate the difference between the result and 100. (5 Mark)

You can access the solutions to this Unit Test here.