Multiplying, dividing and mixed operations · Usually met around P4
The distributive property and mixed operations
From “The distributive property” to “Grandmaster mix”, step by step, each skill with its methods, worked examples and answers.
Skills in this topic, easy to hard
- The distributive propertyTake out the shared factor; add (or subtract) the rest first
- ×9 and ×99×99 is ×100 take away one lot
- Taking out a common factor; square bracketsTake the common factor outside; work from the innermost bracket
- Mixed-operation shortcutsRead it all first: brackets come first
- Unitary method: finding one firstFind one, then as many as you need
- Grandmaster mixPick the fastest route on the spot