I can solve problems involving the addition and subtraction of mixed numbers.
I can solve problems involving the addition and subtraction of mixed numbers.
Mixed number - A mixed number is a whole number and a fraction combined.
Improper fraction - An improper fraction is a fraction where the numerator is greater than or equal to the denominator.
Children may not always choose an efficient strategy when adding or subtracting mixed numbers. This may result in calculation errors being made.
Look at the numbers in the calculation. What do you notice? Which strategy would be most efficient to use with these numbers? Check your answer using a different strategy. If you get the same answer, you are likely to be correct.
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$$1{{4} \over {5}}$$ - $$ {9} \over {5}$$
$$4{{4} \over {5}}$$ - $$ {24} \over {5}$$
$$2{{4} \over {5}}$$ - $$ {14} \over {5}$$
$$5{{1} \over {5}}$$ - $$ {26} \over {5}$$
$$3{{3} \over {5}}$$ - $$ {18} \over {5}$$
