Prime or Composite Numbers and
Prime Factorization
Prime Factorization
Is 17 a prime or composite number?
Prime
Find the value of 33
27
Find the GCF of: 6 and 12
What is 6
Is 99 a Prime or Composite number?
Composite number
Write 15 x 15 x 15 x 15 as a power
154
Is 312 divisible by 6?
Yes, because the number is divisible by 2 and 3(the rule of 6) since it is even and 3 since the sum of the digits is 6 and 6 is divisible by 3.
Tell which order of operation is to be done first. Then compute. 22 x (15 - 3)
What is a) (15 - 3) and b) 48?
What is the prime factorization of 12 in exponent form
22 x 3
Is 8 a perfect square? Why or why not?
No, 4x2=8 but it is not a square
No, 2x2=4 and 3x3=9 so nothing times itself equals 8.
What numbers are divisible by 510
2,3,5,6,10
Evaluate: 12 - 3 x 1 + 23 + (15 -2)
What is 30?
What is the prime factorization of 18?
2x3x3 OR 2 x 32
Is 36 a perfect square? Why or why not?
Yes, 6x6=36. 6 by 6 would make a square. 6 is multiplying by itself to get 36, so the sides are equal.
Is 234 divisible by 3?
Yes
Lexi is decorating papers with a total of 10 heart stickers and 20 star stickers for the child she is babysitting. If she wants to make all the papers identical, with the same combination of heart and star stickers and no stickers left over, what is the greatest number of pages Lexi can decorate? a) Identify if it is GCF or LCM b) Solve
a) GCF b) 10 pages
Evaluate 2(33 +4)
62
What are the factor pairs of 40?
1x40
2x20
4x10
5x8
How could you draw a model of 25 being a perfect square? How would you write that as a power? What would the side length be?
52
side length of 5
What numbers between 100 and 150 are divisible by 3 and 5?
105, 120 and 135
At a local bakery, Kylie decorated 5 cakes at a time. Edward decorated 2 at a time. If they ended up decorating the same number of cakes by the end of the day, what is the smallest number of cakes that each must have decorated? a) identify whether it is GCF or LCM b) solve
a) LCM and b) 10 cakes
Evaluate the expression:
2+2x4
32-4
2