Estimation,class 5,Maths

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🌈 Estimation (Class 5)

🎯 Learning Objectives

• Understand estimation and rounding.
• Estimate sums, differences, and products.
• Apply estimation in daily life.

🧩 Competencies

• Numerical Skills
• Logical Thinking
• Problem Solving
• Application Skills

📊 Learning Outcomes

• Rounds numbers correctly.
• Estimates answers accurately.
• Uses estimation in real situations.

📌 Evidence

• Correct worksheet answers
• Student explanation
• Application in daily problems

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🌈 5W + 1H + 1U

🔴 What: Estimation means finding an approximate value.

🟠 Why: To make calculations easy and quick.

🟡 When: Used in estimation problems and daily life.

🟢 Where: Shopping, money calculation, time estimation.

🔵 Who: Students, shopkeepers, everyone.

🟣 How: By rounding numbers to nearest tens, hundreds, thousands.

⚫ 1U (Unique Point): Gives quick answers but not exact values.

🌈 Estimation Quiz (Class 5)

1. 53 + 47 ≈

90 100 110 120

2. 28 + 69 + 67 ≈

150 160 170 180

3. 240 + 398 ≈

500 600 700 800

4. 85 − 32 ≈

40 50 60 70

5. 56 − 27 ≈

20 30 40 50

6. 33 × 17 ≈

400 500 600 700

7. 88 × 21 ≈

1600 1800 2000 2200

8. ₹37 × 21 ≈

700 800 900 1000

9. 9846 − 6248 ≈

3000 3500 4000 4500

10. 3415 + 2756 ≈ (nearest 1000)

5000 6000 7000 8000