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 determine how many lengths of garden edging are needed, follow these steps:

1. **Convert the total perimeter into millimeters (mm):**  
   Since 1 meter (m) equals 1000 millimeters (mm), the perimeter in mm is:
   \[
   14 \, \text{m} = 14 \times 1000 = 14000 \, \text{mm}
   \]

2. **Calculate the number of edging pieces required:**  
   Each piece of edging is 1800 mm long. To find the total number of pieces required, divide the total perimeter by the length of one piece:
   \[
   \frac{14000 \, \text{mm}}{1800 \, \text{mm}} \approx 7.78
   \]

3. **Round up to the next whole number:**  
   Since you can't buy a fraction of a piece, round up to the nearest whole number:
   \[
   \lceil 7.78 \rceil = 8
   \]

So, you need to buy **8 lengths** of garden edging to cover the entire perimeter of 14 meters.

Would you like further details or have any questions?

Here are 5 related questions to expand your understanding:
1. What if the perimeter was 20 meters instead of 14 meters?
2. How many lengths would be needed if each piece was only 1500 mm long?
3. How much edging would you need if the garden was a circle with a diameter of 14 meters?
4. How would you convert from meters to other units like centimeters or inches?
5. What is the importance of rounding up in situations like this?

**Tip:** When working with measurements, always ensure units are consistent throughout the calculation. This helps avoid errors in conversions!

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 to calculate the number of garden edging lengths required for a garden with a 14-meter perimeter. The solution involves converting meters to millimeters, dividing the total perimeter by the length of each edging piece, and rounding up to get the final number. Suitable for students in Grades 5-7.

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