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 m
- Width ($w$) = 3.5 m
- Depth ($d$) = 0.1 m

Substitute these values into the formula:

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

So, you need **2.1 cubic metres** of concrete for the floor.

Would you like more details or have any questions?

Here are 5 related questions to think about:
1. What would be the volume if the depth were increased to 0.15m?
2. How much concrete would you need for a floor of double the width?
3. How would the calculation change if the floor were circular instead of rectangular?
4. What are the units used for measuring concrete in this context?
5. How much would the concrete cost if priced at $100 per cubic metre?

**Tip:** Always double-check the dimensions before ordering materials to avoid shortages or excess!

Learn how to calculate the volume of concrete needed for a floor with dimensions 6m by 3.5m by 0.1m. This solution covers essential geometric concepts and volume calculation using the formula for a rectangular prism. Suitable for students in Grades 6-8.

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