An estimate is __________________.

Round 1,621 to the nearest thousands.

What is 78,413 rounded to the nearest hundred?

If the number in the place value to the right is 0, 1, 2, 3, or 4, you round down.

What is 67,149 rounded to the nearest ten thousand?

Mrs. Benitez gives 12 math problems 4 nights per week for homework. Which is a reasonable estimate for the number of math problems her students complete each week?

If the number in the place value to the right is 5, 6, 7, 8, or 9, you round up.

Al’s family drove a total of 4,218 miles over summer vacation. What is this figure rounded to the nearest ten?

When rounded to the nearest hundred, which number would be 2,900?

Round 1,621 to the nearest hundreds.

Front-end estimation is ____________________.

A grocery store sold 46,345 boxes of cereal in 3 months. What is this number rounded to the nearest thousand?