Rounding on a Number Line

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 round to the nearest ten?

Back

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

Front

What are benchmark numbers?

Back

Benchmark numbers are commonly used reference points, like 10, 20, 30, etc., that help in estimating and rounding numbers.

Front

If a number is 4, which two benchmark numbers is it between?

Back

0 and 10.

Front

What is 87 rounded to the nearest ten?

Back

90.

Front

What is 40 rounded to the nearest ten?

Back

40.

Front

If a number is 52, which two benchmark numbers is it between?

Back

50 and 60.

Front

What is 76 rounded to the nearest ten?

Back

80.

Front

How do you determine if you round up or down?

Back

If the last digit is 5 or more, round up. If it's 4 or less, round down.

Front

What is the nearest ten to 34?

Back

30.