Place Value, Rounding and Comparing Whole numbers & decimals

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the digit 3 is in the hundreds place, so its value is 300.

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. For example, rounding 4.6 to the nearest whole number gives 5.

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 4 or less, round down.

Front

Round 78.3 to the nearest whole number.

Back

78.

Front

What is the value of the digit 7 in the number 7,482?

Back

The value of the digit 7 is 7,000 because it is in the thousands place.

Front

How do you compare two decimal numbers?

Back

To compare decimal numbers, align the decimal points and compare digit by digit from left to right.

Front

Round 0.678 to the nearest hundredth.

Back

0.68.

Front

What is the decimal representation of fifty-five hundredths?

Back

0.55.

Front

What is the place value of the digit 5 in the number 5,432?

Back

The place value of the digit 5 is 5,000 because it is in the thousands place.

Front

Round 4,567 to the nearest ten.

Back

4,570.