Key learning points

1. Mixed numbers are composed of a whole number part and a fractional part.
2. The composition of mixed numbers can be written as an addition equation, adding the whole part and the fractional part.
3. Mixed numbers can be represented on a part-part-whole model.
4. The part-part-whole model can be used to form addition and subtraction equations.

Keywords

• Mixed number - A mixed number is a whole number and a fraction combined. For example, one and a half is a mixed number.

• Composition - The composition of a whole number is the way in which the whole number is made up. For example, ten is composed of seven and three.

Common misconception