This section can help answer questions where numbers are written using words as well as digits.
Each digit in a number has a place value. It shows the position of a digit in a number. The first few place values are shown in the table.
Example
In the numbe
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How do you write 68,542 in words?
68,542 can be broken into which is written as sixty eight thousand, five hundred and forty two.
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How do you write the number five million, seven hundred and twenty two thousand, six hundred and eight in figures?
The number five million, seven hundred and twenty-two thousand, six hundred and eight is 5,722,608 in figures.
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Ordering whole numbers
Example
Which of the following four sportspeople earns more in a week?
Player A - £310,500
Player B - £309,500
Player C - £295,500
Player D - £315,500
Answer D
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Put the following numbers in order from smallest to largest:
42,300
43,290
42,350
43,200
42,250
42,250
42,300
42,350
43,200
43,290
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Place value and ordering decimals
Decimal points are used in numbers to separate the whole number from parts of the whole. Like whole numbers, numbers written as decimals can be either positive or negative, for example, 2.6 or -2.6.Decimals are just one way of expressing numbers that are
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Place value
Place value gives the value of each digit in a number. For example, in the number 42, the 4 is worth 4 tens, or 40, and the 2 is worth 2 units, or 2. The same process is true for decimals.
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Ordering decimals
Ordering decimals involves comparing digits in the same columns, starting with the digits in the place value column that is furthest to the left.
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Which is greater, 2.5 or 2.15?
Firstly, both numbers have a 2 in the units column, so look at the next digit along. This is the digit in the first decimal place. The first number has a 5 in the tenths column whereas the second number has a 1 in the tenths column. 5 is greater than 1, s
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Put these decimals in order, starting with the smallest:
3.72
3.07
3.7
4.3
3.764
The answer is: 3.07, 3.7, 3.72, 3.764, 4.3.
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Using fractions
Fractions show parts of whole numbers, for example, the fraction shows a number that is 1 part out of 4, or a quarter.
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Fractions are negative or positive
Fractions are one way of showing numbers that are parts of a whole. Other ways are decimals and percentages. You can also convert between fractions, decimals and percentages. Like whole numbers and decimals, fractions can be either positive or negative.
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Equivalent fractions
Equivalent fractions are fractions that are worth exactly the same even though they are written differently. is worth the same as because will simplify to by dividing by a common factor of 2.
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Other cards in this set
Card 2
Front
68,542 can be broken into which is written as sixty eight thousand, five hundred and forty two.
Back
How do you write 68,542 in words?
Card 3
Front
The number five million, seven hundred and twenty-two thousand, six hundred and eight is 5,722,608 in figures.
Back
Card 4
Front
Example
Which of the following four sportspeople earns more in a week?
Player A - £310,500
Player B - £309,500
Player C - £295,500
Player D - £315,500
Answer D
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