Monday: +127, Tuesday: -18, Wednesday: +19, Thursday: -209Which day had the greatest change in the number of visitors compared to
the same day last year?

To find the day with the greatest change in the number of visitors, we need to look at the absolute values of the changes for each day:

- **Monday:** +127 → |127| = 127
- **Tuesday:** -18 → |18| = 18
- **Wednesday:** +19 → |19| = 19
- **Thursday:** -209 → |209| = 209

The greatest absolute change occurred on **Thursday** with a change of 209 visitors.

Would you like more details on how these calculations work? Here are 5 related questions to explore this further:

1. What is the significance of absolute value in real-world problems?
2. How can we represent both positive and negative changes graphically?
3. If we wanted the average change over these four days, how would we calculate it?
4. How would this problem change if we were looking for the smallest change instead?
5. What if there were more days, how would we find the greatest change efficiently?

**Tip:** When comparing changes, always look at the absolute values to determine the magnitude of change, regardless of direction (increase or decrease).

Monday: +127, Tuesday: -18, Wednesday: +19, Thursday: -209. Which day had the greatest change in the number of visitors compared to the same day last year?

Discover how to identify the greatest change in visitor numbers from Monday to Thursday using absolute values. This problem highlights key mathematical concepts like absolute value and comparing positive and negative changes, suitable for students in Grades 6-8.

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