pis baroda blogspot std 4 math paper 8

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pis vadodara blogspot std 4

🌟 PODAR INTERNATIONAL SCHOOL, VADODARA 🌟

Mathematics Annual Evaluation – Paper 8 (Standard 4)

Time Allowed: 2 Hours | Maximum Marks: 50
Name: ____________________________________________
Roll No: _________________
Date: _________________
Section A: Multiple Choice Questions 10 Marks
  • Q1. Which of the following numbers is a Prime Factor of 21?
    A) 2
    B) 3
    C) 6
    D) 9
  • Q2. Convert 16:45 hours from a 24-hour clock into standard 12-hour format:
    A) 6:45 AM
    B) 4:45 AM
    C) 4:45 PM
    D) 6:45 PM
Section B: Decimal Systems & Arithmetic 15 Marks
  • Q3. Solve the sum of decimal terms:

    4.5 + 2.3 =
  • Q4. Fill in the blank box: 842 × 100 =
  • Q5. Complete the geometric growing pattern:

    🎈, 🎈🎈, 🎈🎈🎈,
Section C: Measurement & Circles 12 Marks
  • Q6. The entire boundary length around a circle is called its
    .
  • Q7. Convert standard liquid capacity units: 7500 mL =
    L
    mL.
Section D: Word Problems 13 Marks
  • Q8. The total cost of 5 identical school bags is ₹1,500. What will be the total cost of 3 such school bags?

    Solution:




  • Q9. A rectangular park has a length of 15 meters and a width of 10 meters. Find the total cost of fencing it at ₹5 per meter.

    Solution:




👍 Great Work! You have successfully completed the question section of Paper 8! 👍

🔑 ANSWER KEY & SOLUTIONS (STD 4 – PAPER 8) 🔑

Complete Step-by-Step Solutions

Q1 Solution: Factors of 21 are 1, 3, 7, and 21. Among these, 3 and 7 are prime numbers. From options, 3 is available. Correct Answer: B) 3
Q2 Solution: To convert 24-hour time greater than 12:00 into 12-hour format, subtract 12 from the hours: 16 – 12 = 4. Hence, it is 4:45 PM. Correct Answer: C) 4:45 PM
Q3 Solution: Align the decimal points vertically and perform simple addition: 4.5 + 2.3 = 6.8. Correct Answer: 6.8
Q4 Solution: To multiply any whole number by 100, simply place two zeros at the end of the number: 842 × 100 = 84200. Correct Answer: 84200
Q5 Solution: The pattern grows by adding one extra balloon symbol each time (+1 balloon). The next item should contain 4 balloons (🎈🎈🎈🎈). Correct Answer: 🎈🎈🎈🎈
Q6 Solution: In circular geometry, the outer boundary loop length or total distance around a circle is called its Circumference. Correct Answer: circumference
Q7 Solution: Since 1000 mL = 1 Litre, divide 7500 mL into thousands and hundreds: 7000 mL = 7 L and the rest is 500 mL. Correct Answer: 7 L 500 mL
Q8 Solution: Unitary Method: Cost of 1 bag = 1500 ÷ 5 = ₹300. Therefore, the cost of 3 bags will be: 300 × 3 = ₹900. Correct Answer: The cost of 3 school bags is ₹900.
Q9 Solution: Perimeter of the park = 2 × (Length + Width) = 2 × (15 + 10) = 2 × 25 = 50 meters. Total cost of fencing = 50 meters × ₹5 = ₹250. Correct Answer: The total cost of fencing is ₹250.

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