Comparing Decimals with Models

Front

What is a decimal?

Back

A decimal is a number that has a whole part and a fractional part, separated by a decimal point. For example, 3.5 is a decimal.

Front

How do you compare decimals?

Back

To compare decimals, look at the digits from left to right. The first place where the digits differ determines which decimal is larger or smaller.

Front

What does it mean to 'model' decimals?

Back

Modeling decimals means using visual representations, like number lines or base ten blocks, to understand and compare decimal values.

Front

What is the value of the digit 7 in the decimal 4.78?

Back

In the decimal 4.78, the digit 7 is in the tenths place, which means it has a value of 0.7.

Front

What is the place value of the digit 3 in the decimal 0.63?

Back

In the decimal 0.63, the digit 3 is in the hundredths place, which means it has a value of 0.03.

Front

How can you use a number line to compare decimals?

Back

You can place the decimals on a number line to see their positions. The decimal further to the right is larger.

Front

What is the decimal equivalent of 3/10?

Back

The decimal equivalent of 3/10 is 0.3.

Front

If 0.5 is greater than 0.4, what can you say about 0.50?

Back

0.50 is equal to 0.5, so it is also greater than 0.4.

Front

What is the difference between 0.25 and 0.75?

Back

The difference between 0.25 and 0.75 is 0.50.

Front

How do you round the decimal 2.67 to the nearest whole number?

Back

When rounding 2.67 to the nearest whole number, you look at the digit in the tenths place (6). Since it is 5 or more, you round up to 3.