Place Value and Powers of Ten

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 does the digit 5 represent in the decimal 0.555?

Back

In the decimal 0.555, the first 5 represents 0.5 (or 5 tenths), the second 5 represents 0.05 (or 5 hundredths), and the last 5 represents 0.005 (or 5 thousandths).

Front

How do you express 10 times a number?

Back

To express 10 times a number, you multiply that number by 10. For example, 10 times 2 is 20.

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Back

Front

What happens to a digit's value when it moves one place to the left in a decimal?

Back

When a digit moves one place to the left in a decimal, its value increases by a factor of 10.

Front

What is the value of the digit 6 in the number 6,210?

Back

In the number 6,210, the digit 6 is in the thousands place, so its value is 6,000.

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Back

Front

If a number is divided by 10, what happens to its decimal point?

Back

If a number is divided by 10, the decimal point moves one place to the left.

Front

What is the relationship between the digits in the number 45?

Back

In the number 45, the digit 4 (in the tens place) has 10 times the value of the digit 5 (in the ones place).

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Back

East High School has 300 students.