Rounding Whole Numbers Flashcard

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

Front

What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means adjusting a number to the closest multiple of ten.

Front

If a number is 2,421, what is it when rounded to the nearest ten?

Back

2,420

Front

What does it mean to round to the nearest thousand?

Back

Rounding to the nearest thousand means adjusting a number to the closest multiple of one thousand.

Front

If a number is 29,056, what is it when rounded to the nearest thousand?

Back

29,000

Front

What is the nearest ten to 459?

Back

460

Front

What number would not round to 500?

Back

447

Front

If a number is 490,262, what is it when rounded to the nearest ten-thousand?

Back

490,000

Front

What is the rule for rounding up?

Back

If the digit to the right of the rounding place is 5 or greater, round up.

Front

What is the rule for rounding down?

Back

If the digit to the right of the rounding place is less than 5, round down.