LCM GCF BEDMAS

Factors

100

List the factors of 9

1,3,9

200

What are the factors of 18?

1,2,3,6,9,18

300

Is 27 a prime number or composite?

composite

400

What is a prime number?

A number that has exactly 2 factors.  One and itself.

500

What are the factors of 99?

1,3,9,11,33,99

Multiples

100

List the first 5 multiples of 5

5,10,15,20,25

200

List the 3rd multiple of 8

24

300

List the multiples of 7.  Is 32 a multiple of 7?

7,14,21,28,35

No

400

List the multiples of 9.  Is 108 a multiple of 9?

9,18,27,36,45,54,63,72,81,90,99,108

Yes

500

Hunter works at Starbucks every 3rd day and Ali works at Starbucks every 5 day.  What day will they work together?

3,6,9,12,15,18

5,10,15,20

Day 15.

GCF

100

GCF stands for...

Greatest Common Factor

200

The GCF of 6 and 9 is

3

300

The GCF of 10 and 15 is...

5

400

The GCF of 6 and 20 is...

2

500

The GCF of 18 and 24

6

LCM

100

The LCM stands for the ...

Lowest Common Multiple

200

The lowest common multiple of 6 and 9 is...

18

300

The lowest common multiple of 10 and 15 is...

30

400

The lowest common multiple of 6 and 20 is...

60

500

Find the GCF and LCM of 12 and 36.

GCF- 12

LCM- 36

BEDMAS

100

20 ÷ 5 × 2 =

8

200

3 × 6 − 2 =

16

300

(5 + 15) − (3 + 7) =

10

400

39 − 9 ÷ 3 × 2 =

33

500

• I am a prime number between 10 and 20. If you either add 10 to me or subtract 10 from me,
• the result is a prime number. What number am I?

13