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

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

Substituting the given values:

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

\[
\text{Volume} = 2.1 \, \text{m}^3
\]

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

Would you like further details on the calculation?

Here are 5 related questions to deepen understanding:
1. How much concrete would you need if the depth were increased to 0.2 meters?
2. What if the width of the floor was reduced to 2.5 meters?
3. How would you calculate the total cost of the concrete if you know the price per cubic meter?
4. How does the depth of the floor impact the structural strength of the concrete slab?
5. What factors should you consider when calculating the amount of concrete to allow for waste or errors?

**Tip**: Always add 5-10% extra concrete to account for possible spillage or variations in depth.

Learn how to calculate the volume of concrete needed for a rectangular floor with dimensions of 6 meters in length, 3.5 meters in width, and 0.1 meters in depth. This simple geometry problem involves using the volume formula for a rectangular prism, suitable for students in Grades 5-7.

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