Rounding and Estimating Sums

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 thousand.

Front

What does it mean to round to the nearest hundred?

Back

Rounding to the nearest hundred means finding the closest multiple of 100 to a given number.

Front

What is the rule for rounding numbers?

Back

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

Front

What is 715 rounded to the nearest hundred?

Back

700

Front

What is 87 rounded to the nearest hundred?

Back

100

Front

When rounded to the nearest 100, what does 39 round to?

Back

0

Front

How do you estimate a sum using rounding?

Back

Round each number to the nearest ten or hundred, then add the rounded numbers.

Front

Round 510 to the nearest hundred.

Back

500

Front

Round 396 to the nearest hundred.

Back

400

Front

What is 52 rounded to the nearest ten?

Back

50