Rounding and estimating

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

Front

What does it mean to estimate?

Back

Estimating means finding an approximate value that is close to the actual number, often by rounding.

Front

Round 265 to the nearest ten.

Back

270

Front

Round 147 to the nearest ten.

Back

150

Front

What is the estimated total of 265 and 147 when rounded to the nearest ten?

Back

420

Front

Round 272 to the nearest hundred.

Back

300

Front

Round 119 to the nearest hundred.

Back

100

Front

What is the estimated sum of 272 + 119 when rounded to the nearest hundred?

Back

400

Front

Round 4,382 to the nearest hundred.

Back

4,400

Front

Round 3,237 to the nearest hundred.

Back

3,200