Compare and Round Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part.

Front

How do you compare two decimals?

Back

To compare two decimals, align them by the decimal point and compare digit by digit from left to right.

Front

What does rounding a decimal mean?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value.

Front

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

Back

Look at the digit to the right of the decimal point. If it is 5 or greater, round up. If it is less than 5, round down.

Front

What is 6.50 compared to 6.5?

Back

6.50 = 6.5; they are equal because trailing zeros do not affect the value of a decimal.

Front

What is the value of 8.14 rounded to the nearest tenth?

Back

8.14 rounded to the nearest tenth is 8.1.

Front

How do you round 56.9 to the nearest whole number?

Back

56.9 rounded to the nearest whole number is 57.

Front

What is the relationship between 0.17 and 0.170?

Back

0.17 = 0.170; they are equal because trailing zeros do not affect the value of a decimal.

Front

What is the first step in rounding a decimal?

Back

Identify the place value to which you want to round (e.g., nearest whole number, tenth, hundredth).

Front

How do you determine if you round up or down?

Back

Look at the digit immediately to the right of the place value you are rounding to.