HCF, LCM, Venn diagrams, Index laws, Standard form 🩵

• HCF - highest common factor - write out factor pairs starting from lowest
• LCM -lowest common multiple - write out multiples of 2 values until reaching same number
• Venn diagrams -

  HCF - bit in the middle timesed together

  LCM - the whole Venn diagram timesed together
• Standard form

  
  

  N x 10 to power of _
• Index laws

  Multiply - add

  Divide - subtract

  Brackets - multiply

  Power of 0 - 1

  Power of 1 - the value itself