Rounding

The ballpark recorded the attendance at the opening game as 48, 376. Round this number to the nearest thousand.

Willy collected 3,542 pop tops from aluminum cans. Round this number to the nearest thousand.

Barry has 262 baseball cards. Palmer has 423 football cars. About how many sports cards to they have altogether

Madison was playing fruit ninja. She earned 423 points in her first round and 245 points in her second round. About how many more points did she earn in her first rounds?

Keith was playing Plants vs. Zombies. His Peashooters shot 512 times on the first round and 987 on the second round. What is the approximate difference in peas shot?

Which words are key words for rounding in words problems? Check all that apply.