Rounding to Tens

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler or to make it easier to work with, typically by increasing or decreasing it to the nearest specified place value.

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

Front

How do you round the number 28 to the nearest ten?

Back

28 rounds to 30 because the last digit (8) is 5 or more.

Front

How do you round the number 72 to the nearest ten?

Back

72 rounds to 70 because the last digit (2) is less than 5.

Front

How do you round the number 19 to the nearest ten?

Back

19 rounds to 20 because the last digit (9) is 5 or more.

Front

How do you round the number 53 to the nearest ten?

Back

53 rounds to 50 because the last digit (3) is less than 5.

Front

How do you round the number 55 to the nearest ten?

Back

55 rounds to 60 because the last digit (5) is 5 or more.

Front

What is the rule for rounding numbers ending in 5?

Back

When rounding numbers that end in 5, round up to the next higher number.

Front

What is the difference between rounding up and rounding down?

Back

Rounding up means increasing the number to the next higher value, while rounding down means decreasing it to the next lower value.

Front

What is a multiple of ten?

Back

A multiple of ten is any number that can be expressed as 10 times an integer, such as 10, 20, 30, etc.