Math Test Review

Common Factors

100

Find all the common factors of 10 and 20. 

1, 2, 5, 10 

200

Find all the common factors of 31 and 24. 

1 

300

Find the GCF of 21 and 35. 

7

400

Find the GCF of 48 and 64

16

500

Find the GCF of 20, 40 and 60.

20

Common Multiples

100

Find the LCM of 4 and 3. 

12

200

Find the LCM of 4 and 8

8

300

Find the LCM of 8 and 12

24

400

Find the LCM of 4, 5, and 10. 

20

500

Find the LCM of 4, 5, 6, 

60

Order of Operations

100

5 + 4 x  2 

13

200

4 x (3 + 8)

44

300

(4 + 5) x (10 - 3)

63

400

5² x 2 

50

500

3³ x 4²

432

Distributive Property

100

use the distributive property to solve 

321 x  5 

1605

200

Use the distributive property to solve 

150 x 6 

900

300

Use the distributive property to solve 

631 x 7 

4,417

400

Use the distributive property to solve

4508 x 8 

36, 064

500

Use the distributive property to solve 

23456 x 7 

164, 192

Letters for Numbers

100

a + 7 = 25

a = 18 

200

b - 36 = 72

b = 108

300

x - 10 = y

When y = 34

x = 44

400

Joe buys two more cheeseburgers than fries.  If c is the number of cheeseburgers Joe buys and f is the number of fries he buys, write a number sentence using f, c and 2.  

f + 2 = c 

2 + f = c 

C-2 = f 

c - f = 2 

500

Billy and Susan have 34 candies all together.  if b stands for the number of candies Billy has and s is the number of candies Susan has, write a number sentence with b, s and 34

b + s = 34

s +b = 34 

34- b = s

34 - s = b