I can express an amount of fifths as a mixed number and an improper fraction.
I can express an amount of fifths as a mixed number and an improper fraction.
Improper fraction - An improper fraction is a fraction where the numerator is greater than or equal to the denominator.
Children may just add the whole number part of the mixed number to the numerator or may forget to add the fractional part of the mixed number.
Encourage use of stem sentences developed within the lesson. For example, there are five groups of five fifths, which is 25 fifths, and two more fifths, so that is 27 fifths.
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2 × 5 = - 10
5 × 5 = - 25
7 × 5 = - 35
11 × 5 = - 55
12 × 5 = - 60
$$ {2} \over {5}$$ = - $$ {1} \over {5}$$ + $$ {1} \over {5}$$
$$ {3} \over {5}$$ = - $$ {1} \over {5}$$ + $$ {2} \over {5}$$
$$ {1} \over {5}$$ = - $$ {3} \over {5}$$ − $$ {2} \over {5}$$
1 = - $$ {2} \over {5}$$ + $$ {3} \over {5}$$
