Question

1 - The Le Mans car race is a 24-hgur race. The longest distance erertraveled by a car in the race is 3,315 miles. What is the distancerounded to the nearest ten?2- The longest river in the world is the Nile. It is 4,184 miles long.What is the length of the Nile River rounded to the nearesthundred miles?3- Frank rounds 846,025 to the nearest hundred thousand and to the nearest ten thousand.Part A What is 846,025 rounded to the nearest hundred thousand?Part B What is 846,025 rounded to the nearest ten thousand?Part C Which rounded number is greater? Explain.

Answer 1

1. To find the nearest ten of 3315.

Since 15 is midway between 10 and 20.

So, the nearest ten of 3315 is 3320.

2. To find the nearest hundred miles of 4,184 miles:

184 is closest to 200.

Hence, the nearest hundred miles of 4,200 miles.

3.

A) To find the nearest hundred thousand of 846,025:

846,025 is closest to 800,000.

Hence, nearest hundred thousand of 846,025 is 800,000.

B) To find the nearest ten thousand of 846,025:

46,025 is closest to 50,000.

Hence, nearest ten thousand of 846,025 is 850,000.

C) Comparing the results of Part A and Part B,

The rounded number of Part B is greater.