Mathtest 12/16 by me
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| simplify | find a number that the numerator and denominator can go into
ex. 4/8 = 1/2 remember not all problems can be simplified
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| multiply a fraction by a fraction | multiply across
ex. 1\2 x 1\4 =1x1=numerator 2x4=denominator
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| multiply a whole number by a fraction | change the whole to a fraction and multiply across
ex. 1=1\1 1\1 x 1\2 = 1\2
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| multiply a whole number by a mixed number | change the whole to a fraction and for the mixed number multiply the denominator by the whole number and add the numerator to that
ex. 1=1\1 1 3\4 = 7\4 and 1/1 x 7\4 =7/4=1 3/4
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| how to make a mixed number improper | just in case if you didnt get the last one what you do is multiply the denominator by the whole number and add the numerator to that make sure to keep the denominator the same
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| whats a reciprocal | when you divide 1 by a number
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| how to divide a fraction by a fraction | just like multiplying all you do is switch the division sign to a multiplication sign and flip the second fraction so the denominator becomes the numerator and vice versa
ex. 1\4 divided by 1/2 = 1/4 x 2\1
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| how to divide a fraction by a mixed number | first change the division sign to a multiplication sign then simplify the second fraction and flip it
ex. 1\2 divided by 1 1\2 = 1\2 x 3\2
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| : D U DID IT | created by Dahmuffinman2695
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Dahmuffinman2695
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