| Factors | Prime/Composite | Divisibility Rules | Multiples | GCF & LCM |
|---|---|---|---|---|
|
b. 6
Which of the following is a factor of 12?
a. 5 b. 6 c. 8 d. 24 |
A prime number
A number with only one factor pair is called...
|
5
A number that ends in 0 or 5 can be divided by...
|
30
What is the 6th multiple of 5?
|
a. 3
Which of the following is a common factor of 18 and 27?
a. 3 b. 6 c. 8 d. 12 |
|
c. {5,7}
Which of the following is a factor pair for 35?
a. {2, 16} b. {4, 9} c. {5, 7} d. {12, 3} |
It has many factor pairs.
15 is a composite number because...
|
2
Any even number will have what number as a factor?
|
6th
42 is the _____ multiple of 7.
|
b. 25
Which of the following is not a common multiple for 5 and 10?
a. 20 b. 25 c. 30 d. 40 |
|
C. 6 baskets with 5 cupcakes each
Barbie has 30 cupcakes and is going to pack them into baskets. If she puts equal numbers of cupcakes into baskets, which of the following could be a way she packs them?
a. 4 baskets with 9 cupcakes each b. 5 baskets with 4 cupcakes each c. 6 baskets with |
C. 37
Which of the following is a prime number?
a. 15 b. 30 c. 37 d. 42 |
6
If both 2 and 3 are factors, what other number is also a factor?
|
B. 27
Which of the following is NOT a multiple of 7?
a. 14 b. 27 c. 35 d. 56 |
10
What is the greatest common factor of 40 and 20?
|
|
B. 6 and 9
Which numbers are NOT factors of 24?
a. 6 and 4 b. 6 and 9 c. 2 and 12 d. 3 and 8 |
36 is a composite number because 1X 36 = 36; 2 X 18 = 36; 3 X 12 = 36; 4 X 9 = 36 ; 6 X 6 = 36
Determine if 36 is a prime or composite number and tell how you know by telling the factor pairs.
|
end in 0
Numbers that are divisible by 10 must ....
|
44
What is the sum of the 3rd and 8th multiples of 4?
|
36
What is the least common multiple for 4 and 9?
|
|
{1, 32}
{2, 16} {4, 8}
Name the factor pairs for 32.
|
a. 3
Which number is prime AND a factor of 24?
a. 3 b. 6 c. 8 d. 12 |
add up the digits and if the sum is a multiple of 3, then 3 is a factor
To check if a number is divisible by 3, ...
|
100
What is the sum of the first four multiples of 10?
|
8
What is the greatest common factor of 56 and 64?
|
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