Round each number to the nearest ten and to the nearest hundred. Explain or show your reasoning.
254
145
Problem 6
Exploration
Jada rounds 145 to the nearest ten and gets 150. Then she rounds 150 to the nearest hundred and gets 200. Jada says 145 rounded to the nearest hundred is 200. Do you agree with Jada? Explain or show your reasoning.
Problem 7
Exploration
It is 234 miles from New York City to Boston. Tyler says, “That's about 200 miles, so it's about 400 miles to travel back and forth between New York City and Boston.” Do you agree with Tyler? Explain or show your reasoning.