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?

To determine how many lengths of garden edging you'll need to buy for a 14-meter perimeter, follow these steps:

1. **Convert 1800mm to meters**:
   \[
   1800 \, \text{mm} = \frac{1800}{1000} = 1.8 \, \text{m}
   \]
   
2. **Divide the total perimeter by the length of each garden edging**:
   \[
   \frac{14 \, \text{m}}{1.8 \, \text{m}} = 7.78
   \]

3. Since you can't buy a fraction of a length, round up to the nearest whole number:
   \[
   \text{You will need } 8 \, \text{lengths of garden edging}.
   \]

Thus, you need to buy **8 lengths** of garden edging.

Would you like more details on the calculation or have any further questions?

Here are five related questions:
1. How would the calculation change if the garden perimeter were 20 meters?
2. What is the total length of edging if you buy 9 pieces instead of 8?
3. How would the result change if each piece of garden edging was 2 meters long?
4. How much garden edging would you have left over after covering the perimeter with 8 pieces?
5. How would you convert from millimeters to centimeters instead?

**Tip**: Always round up when purchasing materials to ensure you have enough for the task, even if the calculation suggests a fractional amount.

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 needed for a 14-meter perimeter. This solution covers measurement conversion from millimeters to meters, basic division, and rounding to the nearest whole number. Suitable for students in Grades 5-6.

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