Divisibility and Factors
Prime Factorization
GCF and LCM
Order of Operations
100

List the factors of 30

1, 2, 3, 5, 6, 10, 15, 30

100

List the prime factorization of 24.

2x2x2x3 OR 23x3

100

Find the GCF of 24 and 36.

12

100

What is the area of a square with side lengths of 12 cm?

144 square centimeters

200

List the factors of 48.

1, 2, 3, 4, 6, 8, 12, 16, 24, 48

200

List the prime factorization of 36.

2x2x3x3 OR 22x32

200

Find the LCM  of 8 and 12. 

24

200

Evaluate:

20 - 16  ÷ 2

12

300

Is 80 a perfect square?

No

300

List the prime factorization of 19.

19 

(19 is prime)

300

How is LCM used with fractions?

It is used to find a common denominator when adding or subtracting fractions. LCM of the denominators is the least common denominator. 

300

Evaluate:

8 x 3 + 3 x 5

39

400

Is 3 a factor of 12,196?

No

400

The prime factorization of a number is:

2^3xx3xx5

What is the original number?

120

400

A red light blinks every 6 seconds.  A blue light blinks every 8 seconds.  Both lights just blinked.  In how many seconds will they blink at the same time again?

24 seconds

400

Evaluate:

23 + 3 ( 4 - 2 )2 + 10

30


23 + 3 ( 4 - 2 )2 + 10

23 + 3 (2)2 + 10

8 + 3(4) + 10

8 + 12 + 10

20 + 10

30

500

List the factors of 56.

1, 2, 4, 7, 8, 14, 28, 56

500

List the prime factorization of 96. 

2x2x2x2x2x3 OR 25x3

500

You have 28 red roses and 42 pink roses. What is the largest number of identical arrangements you can make using all the roses?  How many red and pink roses are in each arrangement?

14 arrangements with 2 red and 3 pink in each one.

500

Evaluate:

(4^2-3(2))/(24÷4(3))

5 / 9


[ 42 - 3 ( 2 ) ] / { 24 / 4 ( 3) }

[ 16 - 3 ( 2 ) ] / { 24 / 4 ( 3) }

[ 16 - 6 ] / { 24 / 4 ( 3) }

[ 10 ] / { 24 / 4 ( 3) }

[ 10 ] / { 6 ( 3) }

[ 10 ] / { 18 } 

5 / 9