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, we use the formula for the volume of a rectangular prism:

\[
\text{Volume} = \text{Length} \times \text{Width} \times \text{Depth}
\]

Given:
- Length \( l = 6 \, \text{m} \)
- Width \( w = 3.5 \, \text{m} \)
- Depth \( d = 0.1 \, \text{m} \)

Now plug in the values:

\[
\text{Volume} = 6 \times 3.5 \times 0.1 = 2.1 \, \text{cubic metres}
\]

So, you need **2.1 cubic metres** of concrete.

Would you like more details or have any questions?

Here are 5 related questions:
1. How do you calculate the cost of the concrete based on the volume required?
2. What is the weight of 2.1 cubic metres of concrete if 1 cubic metre weighs approximately 2400 kg?
3. How much concrete would you need if the depth were doubled?
4. How can you account for waste or spillage when ordering concrete?
5. How does the moisture content of the concrete affect its final volume?

**Tip:** Always order a bit more concrete than you calculate to account for any potential waste or errors.

Learn how to calculate the volume of concrete required for a floor with dimensions 6m (Length), 3.5m (Width), and 0.1m (Depth). This problem involves basic geometry and volume calculation and is suitable for students in Grades 5-7. Find out how to compute that 2.1 cubic metres of concrete are needed.

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