what does it mean
what does GCF stand for
Factors shared by two or more whole numbers are called
COMMON factors. The LARGEST of the common
factors is called the greatest common factor, or GCF.
1253 calories in
7 servings
179 calories per serving
List the LCM for 15 and 10
30
what is that GCF of 40 and 60
20
Jean earns $60 for mowing 5 lawns. How
much does Jean earn for mowing 15 lawns?
$180
what does LCM stand for
The smallest
number that is
a multiple of
two or more
numbers is the
least common
multiple (LCM).
$32 saved in
4 weeks
$8 per week
List the LCM of 12, 6 and 8
24
what is the GCF of 8 and 30
2
For every 3 tickets Mya sells, Justin
sells 4. Mya sells a total of 12 tickets.
How many does Justin sell?
16 tickets
what is prime factorization
composite number is the number
written as a product of its prime factors.
247 students in
13 classes
19 students per class
List the LCM of 15, 6 and 4
60
what is the GCF of 10 and 36
18
Seven of the 24 students in a class have a cat. What is the ratio of students
who have a cat to students who do not?
7 to 17 or 7:17
what is a ratio
A ratio is a comparison of two quantities. Ratios can be part-to-part,
part-to-whole, or whole-to-part comparisons.
Girls 4 12
Boys 3 6
4:3, 8:6, 12:9
what is the LCM of 3,4,and 9
36
what is the GCF of 12 and 28
4
Princess Party Place sells cups in packages of 6 and
plates in packages of 8. Samantha is hosting a
birthday party for her little sister and wants to have
the same number of each item. What is the least
number of packages of each she needs to buy?
4 packages of cups, 3 packages of plates
what is a rate
a ratio of two quantities
using different unit.
Trucks 2 6
Cars 5 10
2:5, 4:10, 6:15
what is the LCM of 6,10,and 12
60
what is the GCF of 24 and 36
12
Carla
wants to
make a
bouquet of
flowers
with 18
roses.
2●3●3 or 2●32