Grades

Kindergarten

1st

2nd

3rd

4th

5th

6th

7th

8th

9th

10th

11th

12th

Higher Ed

Adult Ed

Other

Subjects

ELA

Math

Science

Social Studies

Art

Computer Science

French

German

Music

Physical Education

Spanish

Other

Private Library

Team Premium

*check*Rating- Date

LCM and GCF

| 12 Questions

1

10 pts

What does GCF stand for?

A Great Commons Fair

B Greatest Common Factor

C Great Cookie Finder

D Gadzooks! Cannon! Fire!

2

10 pts

How do you find the GCF?

A Find all of the factors of these numbers. Then, find the greatest one that the
two numbers have in common.

B Find most of the factors of these numbers. Then, find the greatest one that
the two numbers have in common.

C Find someof the factors of these numbers. Then, find the greatest one that the
two numbers have in common.

3

10 pts

What are the factors of 12?

A 1, 2, 6, 12

B 2, 6, 12

C 1, 2, 3, 6, 12

D 1, 2, 3, 4, 6, 12

4

10 pts

What is the Greatest Common Factor of these two numbers:24, 36

A 6

B 12

C 24

D 36

5

10 pts

What is the GCF of 18 and 25?

A 1

B 2

C 5

D 6

6

10 pts

What is the GCF of these numbers: 24, 32

A 2

B 4

C 8

D 16

7

10 pts

What do mathematicians call a number when the only factors it has are 1 and
itself? (Examples: 3, 7, 11, 13, 17, 23, etc.)

A Awesome!

B Composite

C Parallel

D Prime

8

10 pts

What does LCM stand for?

A Last Call on the Microphone

B Last Common Multiple

C Least Common Multiple

D Last Calling Monkey

9

10 pts

How do you find the Least Common Multiple?

A List all of the multiples of each number, then circle the least multiple that
they have in common.

B List most of the multiples of each number, then circle the least multiple that
they have in common.

C List a few of the multiples of each number, then circle the least multiple
that they have in common.

10

10 pts

What is the LCM of these numbers: 10, 20?

A 1

B 10

C 20

D 40

11

10 pts

What is the LCM of these numbers: 20, 25?

A 50

B 60

C 80

D 100

12

10 pts

What is the LCM of these numbers: 15, 20?

A 60

B 100

C 120

D 140

Add to my formatives list