Place Value Math Flashcard

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

What is the expanded form of a number?

Back

The expanded form of a number shows the value of each digit. For example, the expanded form of 345 is 300 + 40 + 5.

Front

How do you express a number in standard form?

Back

Standard form is writing a number using digits. For example, the number three thousand four hundred fifty-six is written as 3456.

Front

What is the value of the digit 4 in the number 2,453?

Back

In the number 2,453, the digit 4 is in the tens place, so its value is 40.

Front

How do you convert a decimal to expanded notation?

Back

To convert a decimal to expanded notation, break it down by place value. For example, 2.5 can be expressed as (2 x 1) + (5 x 0.1).

Front

What does the digit 7 represent in the number 1,327,407?

Back

In the number 1,327,407, the digit 7 is in the thousands place, so it represents 7,000.

Front

What is the value of 0.3 in fraction form?

Back

0.3 can be expressed as the fraction \(\frac{3}{10}\).

Front

How do you find the value of a digit in a number?

Back

To find the value of a digit, multiply the digit by the value of its place. For example, in 5,678, the digit 5 is in the thousands place, so its value is 5 x 1,000 = 5,000.

Front

What is the difference between a whole number and a decimal?

Back

A whole number is a number without fractions or decimals, while a decimal includes a fractional part. For example, 5 is a whole number, and 5.5 is a decimal.

Front

How do you compare two numbers?

Back

To compare two numbers, look at the digits from left to right. The number with the larger digit in the highest place value is greater.