Numeracy
Numeracy question. You need garden edging for a garden with a perimeter of 14m. Garden edging comes in 1800mm lengths. How many lengths will you need to buy to have enough edging for the entire perimeter?
You need garden edging for a garden with a perimeter of 14m. Garden edging comes in 1800mm lengths. How many lengths will you need to buy to have enough edging for the entire perimeter?

First, let's convert the measurements into the same units:

1 meter = 1000 millimeters, so:
- The garden perimeter is 14 meters, which is $ 14 \times 1000 = 14000 $ millimeters.
- The garden edging comes in lengths of 1800 millimeters.

Now, to find how many 1800mm lengths are needed to cover 14000mm, divide the total perimeter by the length of one piece of edging:

\[
\frac{14000 \, \text{mm}}{1800 \, \text{mm}} = 7.78
\]

Since you can't buy a fraction of a length, you will need to round up to the nearest whole number. Therefore, you will need 8 lengths of garden edging to cover the entire perimeter.

Would you like more details or have any further questions?

Here are 5 related questions to expand on the topic:
1. How would the number of lengths change if the perimeter was 20 meters?
2. What if the edging came in 2-meter lengths? How many would you need then?
3. How would you calculate the cost if each length of edging costs $5?
4. If you wanted to leave a gap in the edging for a gate, how would that affect your calculation?
5. What would happen if the available length of edging was shorter, say 1500mm?

**Tip:** Always ensure your units are consistent when calculating length or perimeter. Convert all measurements to the same unit before solving!

You need garden edging for a garden with a perimeter of 14m. Garden edging comes in 1800mm lengths. How many lengths will you need to buy to have enough edging for the entire perimeter?

Learn how to calculate the number of garden edging lengths required for a garden with a 14-meter perimeter. This solution covers unit conversion, division, and rounding concepts, and is suitable for students in Grades 5-7. The garden edging comes in 1800mm lengths, and the calculation shows how many are needed to cover the entire perimeter.

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