Multiples:
⌦ Find the multiples of
the stated number
For example
What are the first
5 multiples of 6:
1. 12, 18, 24, 30
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Factors:
⌦ The numbers that are
multiplied with each
other to equal to
the given number.
For example
What are the
factors of 30:
1, 2, 3, 5, 6, 10, 15, 30
﹏ ﹏ ﹏ ﹏ ﹏ ﹏ ﹏ ﹏ ﹏ ﹏
Prime Numbers:
⌦ A number that has only
two factors. The two
factors are its own
number , and one
For example
List all the prime
numbers between
1 and 20:
2, 3, 5, 7, 11, 13, 17, 19
﹏ ﹏ ﹏ ﹏ ﹏ ﹏ ﹏ ﹏ ﹏ ﹏Significant figures
⌦ To count the digits and look
at the next number. 5 or
higher round up , lower
than 5 round down.
For example
24. 872 becomes 20
because 24 has to
be rounded down to
the nearest whole
which is 20
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Fraction of an amount
⌦ Divide the whole amount with
the denominator then
times with the numerator.
For example:
4/6 of 30. 30 divided by 6 equals to 5.
You then multiply 5 with 4 which
equals to 20. So 4/6 of 30 equals 20
