Comparing Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, represented with a decimal point.

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 it mean if one decimal is greater than another?

Back

It means that the value of the first decimal is larger than the value of the second decimal.

Front

What is the significance of trailing zeros in decimals?

Back

Trailing zeros in decimals do not affect the value; for example, 4.20 and 4.2 are equal.

Front

How do you determine which decimal is larger: 0.39 or 0.399?

Back

0.399 is larger than 0.39 because when compared digit by digit, 9 is greater than 3 in the thousandths place.

Front

What is the value of 0.3 compared to 0.29?

Back

0.3 is greater than 0.29.

Front

When comparing 0.253 and 0.9, which is larger?

Back

0.9 is larger than 0.253.

Front

What is the relationship between 4.22 and 4.220?

Back

4.22 is equal to 4.220 because trailing zeros do not change the value.

Front

How can you express 0.1 as a decimal?

Back

0.1 is already expressed as a decimal.

Front

What is the first step in comparing decimals?

Back

The first step is to align the decimals vertically.