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Study Guide - Factors, Multiples, Number Puzzles

  1. Composite Number
    A whole number that has more than two factors
  2. Prime Number
    A number that is only divisible by itself and 1
  3. Square Number
    Any # of tiles that can make a square
  4. Factor
    One of the numbers that are being multiplied to equal a product
  5. Multiple
    The numbers you say when skip counting by a certain number
  6. How do you know if a number is divisible by 2?
    If it is an EVEN number
  7. How do you know if a number is divisible by 5?
    The number has to end with a 0 or a 5.
  8. How do you know if a number is divisible by 10?
    The number has to end in a zero.
  9. How do you know if a number is divisible by 3?
    The sum of its digits is divisible by 3.

    • 123
    • 1 + 2 + 3 = 6
    • 6 is divisible by 3.
  10. How do you know if a number is divisible by 6?
    If the number is divisible by 2 AND by 3!

    • 126
    • 126 is an even number (is divisible by 2)
    • 1 + 2 + 6 = 9 (is divisible by 3)
Author
android
ID
42253
Card Set
Study Guide - Factors, Multiples, Number Puzzles
Description
Define terms
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