To specify a range of consecutive numbers, enter the first and last number separated by a hyphen. For example, to specify all numbers between 5 and 10 inclusive, enter 5-10.
To specify several non-consecutive numbers, separate each one with a comma. For example, for the numbers 1, 5 and 9 only, enter: 1,5,9.
Ranges can include combinations of these two elements. For example, to specify the numbers 1, 3, and all the numbers between 10 and 15, enter: 1,3,10-15.
Negative numbers can also be entered. For example, to specify all numbers between -2 and 4, and all numbers between -10 and -5, enter: -2-4, -10--5. Don't worry if you end up with two hypens in a row - Worksheet Genius will figure it out.
Numbers do not need to be entered in ascending order. For example, 13,5:9,20,-5 is fine.
You can specify a step size between each number in a range - this can be used to generate multiples. To generate all the multiples of 5 between 5 and 100, enter 5-100(+5). To generate all the odd numbers between 1 and 20, enter 1-20(+2). To generate all the two digit numbers ending in 6 between 16 and 106, enter 16-106(+10).
For those of you that preferred our older method of using a colon to define a range (5:10, for example), you can still use that too if you want to.
Design your Improper fractions worksheet
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