Divisibility rules
Use the rules of divisibility to determine if the given number is divisible by 2, 3, 4, 5, 6, 9, or 10 or “none”.
-464
2, 4
Determine if the number is prime (p), composite (c) or neither (n).
0
n
Find the Greatest Common Factor of
16, 28, 48
4
Find the Least Common Multiple of this numbers (using listing method)
6, 10, 15
30
Bus route Aarrives at its stop every 15 minutes.
Bus route B arrives at its stop across the street every 40 minutes.
If both buses are currently arriving at their stops, how many hours will pass before both buses arrive at the same time?
120m or 2 hours
Use the rules of divisibility to determine if the given number is divisible by 2, 3, 4, 5, 6, 9, or 10 or “none”.
-1,200
2, 3, 4, 5, 6, 10
Determine if the number is prime (p), composite (c) or neither (n).
77
c
Find the Greatest Common Factor of
32, 48, 56
8
Find the Least Common Multiple of this numbers
8, 14, 28
56
M.s Smith has 39 pencils, 26 pens and 52 erasers to distribute to her class. Each student must receive the same number of pencils, erasers and pens and there will be none left.
What is the greatest number of students in that class?
13
Use the rules of divisibility to determine if the given number is divisible by 2, 3, 4, 5, 6, 9, or 10 or “none”.
-716
2, 4
Use a factor tree to find the prime factorization of each. WRITE THE ANSWER IN ASCENDING ORDER USING EXPONENTS.
72
2^3 x 3^2
Find the GCF of each set using factor tree method
27, 36, 45
9
Find the Least Common Multiple of this numbers (using factor tree method)
9, 12, 27
108
M.s Smith has 39 pencils, 26 pens and 52 erasers to distribute to her class. Each student must receive the same number of pencils, erasers and pens and there will be none left.
How many of each item will the students receive?
3 pencils, 4 erasers, 2 pens
Use the rules of divisibility to determine if the given number is divisible by 2, 3, 4, 5, 6, 9, or 10 or “none”.
-834
2, 3, 6
Use a factor tree to find the prime factorization of each. WRITE THE ANSWER IN ASCENDING ORDER USING EXPONENTS.
50
2 x 5^2
Find the GCF of each set using factor tree method
120 and 45
15
Find the Least Common Multiple of this numbers (using factor tree method)
6, 9, 20
180
Sam volunteers at a homeless shelter. He helps by packing socks, t-shirts and pants in bags for the residents.
If the shelter received a donation of 60 pairs of socks, 48 t-shirts and 36 pants, how many bags of clothing can be available for the residents? (There will be no leftovers.)
12
Use the rules of divisibility to determine if the given number is divisible by 2, 3, 4, 5, 6, 9, or 10 or “none”.
-6,084
2, 3, 4, 6, 9
Use a factor tree to find the prime factorization of 110. WRITE THE ANSWER IN ASCENDING ORDER USING EXPONENTS.
2 x 5 x 11
Sam volunteers at a homeless shelter. He helps by packing socks, t-shirts and pants in bags for the residents.
If the shelter received a donation of 60 pairs of socks, 48 t-shirts and 36 pants, how many of each item will be in each bag?
5 socks, 4 t-shirts, 3 pants