Adding Decimals Word Problem: Science Experiment | 4th Grade Math

Understanding the Problem

• 🧪 Mia is conducting a science experiment involving liquids.
• 💧 She pours 9/10 liter of vinegar into a container.
• 🛢️ She then adds 3/10 liter of oil to the same container.

Solving the Decimal Addition

• 🎯 The goal is to find the total amount of liquid in Mia's container.
• ➕ This requires adding 0.9 L and 0.3 L.
• ✍️ To add decimals, it's crucial to line up the decimal points to ensure place values are aligned.

Calculation and Result

• ➗ Adding the tenths place: 9/10 + 3/10 = 12/10.
• 🔢 Since 12/10 is more than a whole, it can be expressed as 1 whole and 2/10, or 1.2.
• ✅ Therefore, the total liquid in Mia's container is 1.2 liters.