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 find out how many lengths of garden edging you need, follow these steps:

1. Convert the perimeter from meters to millimeters because the edging is in millimeters:
   \[
   14 \, \text{meters} = 14,000 \, \text{millimeters}
   \]

2. Each length of garden edging is 1800 millimeters.

3. Now, divide the total perimeter by the length of one piece of edging:
   \[
   \frac{14,000 \, \text{mm}}{1800 \, \text{mm}} = 7.78
   \]

Since you can't purchase a fraction of a length, you'll need to round up to the next whole number. So, you'll need 8 lengths of garden edging.

Would you like more details or have any questions? 

Here are 5 related questions for further practice:
1. What if the perimeter was 20 meters instead of 14 meters?
2. How much would it cost if each length of edging costs $5?
3. If the edging came in 2-meter lengths, how many would you need for a 14-meter perimeter?
4. How much extra edging would you have if you bought 8 lengths for a 13.5-meter perimeter?
5. What if one side of the garden was 5 meters long—how many pieces would you need for that side alone?

**Tip**: Always remember to match units when doing calculations—especially for lengths in different units like millimeters and meters!

Learn how to calculate the number of garden edging lengths required for a garden with a 14-meter perimeter. This problem includes unit conversion, division, and rounding techniques. Perfect for students in Grades 6-8, the solution explains how to handle different units like meters and millimeters.

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