Number Patterns

Number Patterns

1. Divisibility rules

   • 8 if the number represented by the hundreds, tens and ones digits is divisible by 8
   • 6 if the number is divisible by 2 and by 3
   • 5 if the ones digit is 0 or 5
   • 4 if the number represented by the tens and ones digits is divisible 4
   • 3 if the sum of the digits is divisible by 3
   • 9 if the sum of the digits is divisible by 9
   • 2 if the number is even
   • 10 if the ones digit is 0

2. Input/output machines

   • An input/output machine shows us how a pattern is made

3. Recursive patterns

   • Each term can be found by applying the pattern rule to the previous term.

4. Solving equations

   • Guess and check
   • Inverse operation

5. Study habits

   • How to deal with stress
     • Rest and relax
     • Be proactive
     • Express your feelings verbally
     • Eat the right food (i.e. fruits and vegetables)
     • Exercise : 20-30mins, 3 times a week