Decimals NBT3 & NBT4

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. For example, 3.14 is a decimal.

Front

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

Back

To round a decimal to the nearest whole number, 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 does it mean to write a number in expanded form?

Back

Writing a number in expanded form means breaking it down into the sum of its parts based on place value. For example, 3562.14 can be written as 3000 + 500 + 60 + 2 + 0.1 + 0.04.

Front

How do you compare decimal numbers?

Back

To compare decimal numbers, align the decimal points and compare each digit from left to right. The first digit that differs determines which number is greater.

Front

What is the value of the digit 5 in the decimal 7.582?

Back

In the decimal 7.582, the digit 5 is in the tenths place, so its value is 0.5.

Front

How do you order decimal numbers from least to greatest?

Back

To order decimal numbers from least to greatest, compare the numbers starting from the leftmost digit, moving right until you find a difference.

Front

What is the place value of the digit 2 in the number 3562.14?

Back

In the number 3562.14, the digit 2 is in the ones place, so its place value is 2.

Front

What is the nearest dollar to $14.61 when rounded?

Back

When rounded to the nearest dollar, $14.61 becomes $15.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 0.25.

Front

What is the difference between 1.25 and 1.50?

Back

The difference between 1.25 and 1.50 is 0.25.