Estimate the weight of the following and put a tick mark in the appropriate cell. Try to verify if your guess is correct by using a weighing balance.
| Fruits and vegetables | Estimation | Actual weight |
|---|---|---|
| Less than 1 kg | More than 1 kg | Less than 1 kg |
| 6 Bananas | ||
| 5 Potatoes | ||
| 10 Tomatoes | ||
| 15 Onions |
Activity: Estimate the weight of each item, then verify using a weighing balance.
Expected Observations:
6 Bananas: Approximately 1 kg
5 Potatoes: Approximately 500-750 g (less than 1 kg)
10 Tomatoes: Approximately 1-1.5 kg (may vary)
15 Onions: Approximately 1.5-2 kg (more than 1 kg)
Purpose: This activity develops estimation skills through hands-on learning with weighing balances.
Explanation
This activity develops estimation skills. Students first guess the weight category, then verify by actual weighing. The chapter encourages hands-on learning with weighing balances.
Solution Steps
Estimate whether each item weighs less than 1 kg or more than 1 kg.
Put a tick mark in the appropriate cell.
Verify your guess using a weighing balance.
Compare your estimate with the actual weight.