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Divisibility rules

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Divisibility Rules

Divisibility Rules

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  • 1. Divisibility Rules Simple rules to use to help with division and fair sharing!CFU:What are we going to do today?What are we going to (skill)?
  • 2. Bet you already knew this!  All even numbers are divisible by two  All numbers ending with zero are divisible by 10.CFU (include connection to LO)
  • 3. Vocabulary Divisible by: if one counting number can be divided by a second counting number with a remainder of 0, then the first number is divisible by the second number.  Example: 28 is divisible by 7 because 28 divided by 7 is 4, with no remainder. Divisibility test: These rules let you test if one number is divisible by another, without having to do too much calculation! 

  • 4. Divisibility Rules divisible by 1: all numbers divisible by 2: all even numbers (end with 0, 2, 4, 6, or 8) Divisible by 3: if the sum of its digits is divisible by 3 Divisible by 5: if it ends with 0 or 5 Divisible by 6: if it is divisible by both 2 and 3 Divisible by 9: if the sum is divisible by 9 Divisible by 10: if it ends with 0
  • 5. Importance These rules can make your life easier!! They can help you figure out test questions!!CFU:Does anyone else have any other reason as to why it is important? Whichreason is most important to you? Why? You can give me my reason or your
  • 6. Skill Development (steps or processes)CFU (strategic)
  • 7. Guided Practice (steps or processes)
  • 8. Closure(Concept, Skill, Importance-pair-share)
  • 9. Independent Practice