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?


To calculate how many lengths of garden edging you'll need, follow these steps:

1. **Convert the perimeter into millimeters** because the garden edging is measured in millimeters:
   \[
   14 \, \text{m} = 14,000 \, \text{mm}
   \]

2. **Divide the total perimeter by the length of each garden edging piece** (1800 mm):
   \[
   \frac{14,000 \, \text{mm}}{1,800 \, \text{mm}} = 7.78
   \]

3. Since you can't purchase a fraction of a length, you'll need to round up to the nearest whole number:
   \[
   7.78 \rightarrow 8
   \]

You will need to buy **8 lengths** of garden edging to cover the entire perimeter.

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Would you like more details or have any questions? Here are five related questions for deeper understanding:

1. How can you calculate the cost if each length of garden edging has a price?
2. What would the result be if the perimeter was a different length, such as 20 meters?
3. How many meters of garden edging would 8 lengths cover in total?
4. If you have some edging left over, how can you calculate the leftover length?
5. How would your calculations change if the lengths of edging were 2 meters instead?

**Tip:** Always round up when dealing with materials like this, since partial units aren't usually sold!

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?

Find out how many lengths of garden edging you need for a 14-meter perimeter, with each length being 1800mm. Learn about unit conversion, division, and rounding up to cover the entire perimeter. Suitable for Grades 5-7 students.

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