11)Round Decimals

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby, more convenient value, often to make calculations easier.

Front

What is rounding to the nearest whole number?

Back

Rounding to the nearest whole number means looking at the first decimal place: if it's 5 or more, round up; if it's less than 5, round down.

Front

Round 123.496 to the nearest tenth.

Back

123.5

Front

Round 77.538 to the nearest whole number.

Back

78

Front

What is rounding to the nearest tenth?

Back

Rounding to the nearest tenth means looking at the second decimal place: if it's 5 or more, round up the first decimal place; if it's less than 5, keep it the same.

Front

Round 310.286 to the nearest tenth.

Back

310.3

Front

Round 76.684 to the nearest hundredth.

Back

76.68

Front

What is rounding to the nearest hundredth?

Back

Rounding to the nearest hundredth means looking at the third decimal place: if it's 5 or more, round up the second decimal place; if it's less than 5, keep it the same.

Front

Round 1.823 to the nearest whole number.

Back

2

Front

What is the rule for rounding numbers?

Back

The rule for rounding is: if the digit to the right of the place you are rounding to is 5 or more, round up; if it's less than 5, round down.