Would You Rather? Adding Three-Digit Numbers

Would you rather add …

Use pictures, models, words, numbers, or symbols to justify your choice.

I would rather add … because …

Challenge

What three numbers from this set, when rounded to the nearest ten, have a sum of 1,200? Can you find more than one set?
What four numbers from this set, when rounded to the nearest hundred, have a sum of 2,000? Can you find more than one set?

Follow-up

Write or draw your own problem like this one. Share it with someone else and ask them to explain their choice.