Place Value Review

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

How do you round a number to the nearest whole number?

Back

To round a number to the nearest whole number, look at the digit in the tenths place. If it is 5 or greater, round up. If it is less than 5, round down.

Front

What does it mean to round to the nearest tenth?

Back

Rounding to the nearest tenth means looking at the hundredths place. If the hundredths digit is 5 or greater, increase the tenths digit by 1. If it is less than 5, keep the tenths digit the same.

Front

How do you compare two decimals?

Back

To compare two decimals, align them by the decimal point and compare each digit from left to right. The first digit that differs determines which decimal is larger.

Front

What is the value of the digit 7 in the number 7.45?

Back

In the number 7.45, the digit 7 is in the whole number place, so its value is 7.

Front

What is the value of the digit 4 in the number 3.48?

Back

In the number 3.48, the digit 4 is in the tenths place, so its value is 0.4.

Front

Round 1.72 to the nearest tenth.

Back

1.72 rounded to the nearest tenth is 1.7.

Front

Round 1.823 to the nearest whole number.

Back

1.823 rounded to the nearest whole number is 2.

Front

What is another way to write 45.009?

Back

Another way to write 45.009 is forty-five and nine thousandths.

Front

Round 23.542 to the nearest tenth.

Back

23.542 rounded to the nearest tenth is 23.5.