Common Assessment 2 - Rounding - 4th Grade

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of 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 thousand?

Back

Rounding to the nearest thousand means adjusting a number to the closest multiple of 1,000.

Front

How do you determine which way to round a number?

Back

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

Front

What is the height of Mt. Whitney rounded to the nearest thousand?

Back

14,000 feet.

Front

How do you round 862,840 to the nearest ten thousand?

Back

Look at the thousands place (2). Since it is less than 5, round down to 860,000.

Front

What is 247,039 rounded to the nearest thousand?

Back

247,000.

Front

What is the process for rounding a number to a specific place value?

Back

Identify the place value to round to, look at the digit to the right, and apply the rounding rules.

Front

What is the rounded value of 390,000 to the nearest hundred thousand?

Back

390,000 (it remains the same as it is already at the hundred thousand place).

Front

What does it mean to estimate by rounding?

Back

Estimating by rounding involves simplifying numbers to make calculations easier, often by rounding to the greatest place value.

Front

What is the estimated sum of 29,487 and 12,345 when rounded to the nearest ten thousand?

Back

30,000 (29,487 rounds to 30,000 and 12,345 rounds to 10,000).