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Questions and Answers
Which one of these is the correct definition of decimal place value?
Which one of these is the correct definition of decimal place value?
- Decimal place value is the value of the digits after the decimal point. (correct)
- Decimal place value is the value of the digits before the decimal point.
- Decimal place value is the value of the digits in the decimal system.
- Decimal place value is the value of the digits in the whole number.
What can decimal numbers help express?
What can decimal numbers help express?
- Decimal numbers help express mass, length, and capacity in higher units. (correct)
- Decimal numbers help express small units of money.
- Decimal numbers help express large units of money.
- Decimal numbers help express mass, length, and capacity in lower units.
What is the decimal point?
What is the decimal point?
- The decimal point is the dot that appears between the digits in the decimal system.
- The decimal point is the dot that appears between the digits in the place value chart.
- The decimal point is the dot that appears between the whole number and the fractions. (correct)
- The decimal point is the dot that appears between the digits before and after the decimal point.
What is the value of the digits in the decimal system based on?
What is the value of the digits in the decimal system based on?
What is the whole number in a decimal number?
What is the whole number in a decimal number?
Which place value does the number 4 represent if it is placed in the tens place?
Which place value does the number 4 represent if it is placed in the tens place?
What happens to the number when we move it to the left on the place value chart?
What happens to the number when we move it to the left on the place value chart?
What is the purpose of using zeros as place holders in the place value system?
What is the purpose of using zeros as place holders in the place value system?
What is the value of the digit 4 if it is placed in the ones place?
What is the value of the digit 4 if it is placed in the ones place?
What does place value refer to in mathematics?
What does place value refer to in mathematics?
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Study Notes
Decimal Numbers and Place Value
- Decimal numbers can help express fractions, percentages, and precise quantities in various fields like finance, science, and engineering.
- The decimal point is a symbol that separates the whole part from the fractional part of a decimal number.
Decimal System and Place Value
- The value of digits in the decimal system is based on their position or place in the number, with each place having a value ten times that of the place to its right.
- In a decimal number, the whole number is the part to the left of the decimal point.
Place Value Chart
- In a place value chart, moving a number to the left increases its value by a power of ten.
- Moving a number to the right decreases its value by a power of ten.
Digit Values
- The value of a digit depends on its place in the decimal number, with the same digit having different values in different places.
- For example, the digit 4 represents 40 when placed in the tens place.
- The digit 4 represents 4 when placed in the ones place.
Zeros as Place Holders
- Zeros are used as place holders in the place value system to indicate the absence of a digit in a particular place.
Place Value Definition
- Place value refers to the value of a digit in a decimal number based on its position or place in the number.
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