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Factors, Multiples, Prime/Composite Test Review

  •  English    21     Public
    Unit 3
  •   Study   Slideshow
  • Which number is not prime? Why? 2, 11, 15, 17
    15, It has more than two factors (1, 3, 5, 15)
  •  10
  • How many factors does 24 have?
    8
  •  10
  • Jessica is sorting skittles onto plates. If the pattern continues, how many skittles will be on the 7th plate?
    20
  •  15
  • Part A: Complete the chart. Part B: Describe the pattern you see. TWO PARTS
    7, 9, 11, 13, 15 (they are all odd)
  •  25
  • Match each statement with each pattern.
    A, C, D, B
  •  25
  • Part A: Complete the chart. Part B: Describe the pattern you see. TWO PARTS!
    20, 25 - (even, odd, even, odd...multiples of 5...)
  •  20
  • Part A: Complete the chart. Part B: Describe the new pattern you see. TWO PARTS
    24, 30 (all even, multiples of 6...)
  •  20
  • Cory organizes his shoes in equal rows of 4 in his closet. How many shoes could he have?
    4, 8, 12, 16, 20, 24...
  •  15
  • List 5 numbers that have 4 as a factor.
    4, 8, 12, 16, 20, 24, (any multiple of 4)
  •  15
  • How many factors does each number have? 9, 91, 16, 45
    9 (3-1,3,9) 91 (4-1,7,21,91) 16 (5-1,2,4,8,16) 45 (6- 1,3,5,9,15,45)
  •  25
  • How many prime numbers are there from 1-100?
    25
  •  10
  • How many prime numbers are there from 1-50?
    15
  •  10
  • What is the smallest prime number? Largest prime number?
    2, 97
  •  10
  • How many prime numbers between 1-100 are one digit?
    4 (2, 3, 5, 7)
  •  10
  • What is the smallest composite number between 1-99?
    4
  •  10
  • What is the largest composite number between 1-99?
    99
  •  10