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1) To quickly find 10% of 300 we can move the decimal
_______ place(s) left because 10% equals 0.1. The
answer is _____. one two 2) To find 20%, we may divide by 5 because 20% equals
the fraction or we may find 10% first and
it. The answer for 20% of 300 is . 3) To quickly find 1% of 300 we can move the decimal
two places because 1% equals 0 .
The answer is . left right 4) To find 5% of 300 we can multiply 300 times 0.05 or
find 10% first and divide by as 5% is one-half of 10%. 5) Since 25% equals the fraction , we can
multiply by it or divide by its reciprocal 4.
25% of 300 is . 6) Since 25% times three is 75%, to find 75% find 25%
and multiply it by . 75% of 300 is . 7) 33 ⅓% is equal to the decimal 0 and the
fraction . The simple way to find 33 ⅓% of 300
is to divide it by the reciprocal of the fraction. The
answer is . 8) Since 33 ⅓% doubled is 66 ⅔%, find 33 ⅓% first
and then it. 66 ⅔% of 300 is . 9) Since 50% equals ½, divide by ½'s reciprocal 2 to
find 50% of 300. The answer is . 10) The easy way to find 200% of 300 is to it.
The answer is . Bonus: To quickly find 30%, we could multiply by 0.3
as 30% equals the decimal 0.3 OR we could find 10%
first and then multiply by 3.
What is 30% of 80? |