Algebra and equations · Usually met around P4
Patterns and rules
From “Repeating patterns” to “Greater than and less than”, step by step, each skill with its methods, worked examples and answers.
Skills in this topic, easy to hard
- Repeating patternsFind the repeating group, then the remainder
- Growing patternsWrite the counts down; see how many more each time
- Rules for number sequencesLook at the gaps; if they change, find their pattern
- Number machinesWork backwards, doing the opposite at each step
- The nth termAdds 3 each time? Compare with 3 × n
- Two unknownsList them in order: one up by 1, the other down by 1
- Greater than and less thanFind the number that makes it equal, then go bigger or smaller
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