A mixed number is a whole number and a fraction combined.

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

Add mixed numbers crossing the whole

Maths

Subtract a proper fraction from a mixed number crossing the whole

Subtract a mixed number from a mixed number

Choose efficient approaches when subtracting mixed numbers

Solve problems involving addition and subtraction of mixed numbers

In this unit pupils will add mixed numbers. They subtract a proper fraction from a mixed number and subtract a mixed number from a mixed number explaining which strategy is most efficient. In the future unit pupils will explain the relationship between repeated addition of a proper fraction and multiplication of fractions They will multiply a proper fraction by a whole number.

In the prior unit pupils expressed and converted a quantity from an improper fraction to a mixed number and explained how a mixed number was converted into an improper fraction. In this unit pupils will add mixed numbers. They will subtract a proper fraction from a mixed number and subtract a mixed number from a mixed number explaining which strategy is most efficient..

In this unit pupils will add mixed numbers. They will subtract a proper fraction from a mixed number and subtract a mixed number from a mixed number explaining which strategy is most efficient.

Efficient strategies for adding and subtracting mixed numbers (crossing a whole)

The minuend is the first number in a subtraction. The number from which another number is to be subtracted.

The subtrahend is the number that is to be subtracted. The second number in a subtraction.

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Efficient strategies for adding and subtracting mixed numbers (crossing a whole)

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