**You need to put in a concrete floor. The floor dimensions are: Length (l) 6m, Width (w) 3.5m, Depth (d) 0.1m. How many cubic metres of concrete do you need?**

To calculate the volume of concrete needed for the floor, you use the formula for the volume of a rectangular prism (box), which is:

\[
V = l \times w \times d
\]

Where:
- \( l = 6 \, \text{m} \)
- \( w = 3.5 \, \text{m} \)
- \( d = 0.1 \, \text{m} \)

Now, substitute these values into the formula:

\[
V = 6 \times 3.5 \times 0.1 = 2.1 \, \text{m}^3
\]

So, you will need **2.1 cubic meters** of concrete.

Would you like further details or have any questions? Here are some related questions:

1. How do you convert cubic meters into liters for concrete volume?
2. How would changing the depth to 0.15 meters affect the volume needed?
3. What is the significance of having accurate concrete volume calculations?
4. How much does 1 cubic meter of concrete weigh approximately?
5. What are the costs involved in purchasing concrete per cubic meter?

**Tip:** Always add a bit extra when ordering concrete to account for any spillage or inaccuracies in volume estimation!

You need to put in a concrete floor. The floor dimensions are: Length (l) 6m, Width (w) 3.5m, Depth (d) 0.1m. How many cubic metres of concrete do you need?

Learn how to calculate the volume of concrete needed for a floor with dimensions of 6 meters in length, 3.5 meters in width, and 0.1 meters in depth. This problem involves volume calculation for a rectangular prism, ideal for students in Grades 6-8.

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