Arithmetic Expressions Class 7 Worksheet with Answers PDF

Q19. In a game, Aman scores 3 points for each correct answer and loses 2 points for each wrong 3

Ans: He answers 8 questions correctly and 3 wrongly. Write an expression for his total score and evaluate. What score would he need from the remaining 9 questions (all correct) to reach 50 points ? SECTION – D This section consists of 2 case based questions of 4 marks each.

Q41. A vegetable seller has 50 kg of tomatoes and 30 kg of potatoes. 4 (i) He sells tomatoes at Rs 25 per kg and potatoes at Rs 20 per kg. Write an expression for his total earnings.

Ans: New earnings=1850+500=Rs 2350.

Q42. Students play the ‘expression game’ — they use the numbers 2, 3, 4 and 6. 4 (i) Priya writes 2 + 3 × 4 + 6 = 20. Is she correct ? Show the correct evaluation.

Ans: Anu's expression (50) is greatest. A larger expression: 2×(3+4)×6=2×7×6=84. Website: Click Here | Mob. : 8103405051 | WhatsApp: Click Here Page - 3 -