2.8 Add Four-Digit Numbers

Which of the following will round to 230 when rounding to the nearest ten?

• 234

• 242

• 228

• 237

What is the largest three digit number that will round to 300 when rounding to the nearest hundred?

What is the smallest three digit number that will round to 800 when rounding to the nearest hundred?

Use the clues to type the mystery number:

I have 4 tens, and 9 thousands. My hundreds digit is twice the tens digit, and my ones digit is half the tens digit.

13 tens + 25 ones =

4357 + 1094 =

1234 + 5678 =

2468 + 3579 =

What is the largest sum possible of two four digit numbers using the digits 2-9 exactly one time each?

The largest cruise ship can carry 4,376 passengers and 1,365 crew. What is the total number of passengers and crew that can travel on this ship? *no label