Chris walked 4 miles a day for 21 days. How many miles did she walk in all?

To find the total number of miles Chris walked, multiply the number of miles she walked per day by the number of days she walked.

\[
\text{Total miles} = 4 \, \text{miles/day} \times 21 \, \text{days}
\]

\[
\text{Total miles} = 84 \, \text{miles}
\]

Chris walked **84 miles** in all.

Would you like more details or have any questions?

Here are 5 questions related to this problem:
1. What if Chris walked 5 miles a day for 21 days? How many miles would she walk?
2. How many miles would Chris walk if she walked 4 miles a day for 30 days?
3. If Chris took a break for 3 days, how many miles did she walk in 18 days?
4. What if Chris increased her distance to 6 miles a day for the next 10 days? What would be the new total?
5. How many weeks did Chris walk for 21 days?

**Tip:** Multiplication is a quick way to find totals when you have repeated addition scenarios, like daily walking over multiple days.

Discover how to calculate the total distance Chris walked by multiplying the number of miles she walked daily (4 miles) by the number of days (21 days). This simple multiplication problem helps reinforce basic math concepts suitable for students in Grades 3-5.

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