Math Assessment #4 PRIME, COMPOSITE NUMBERS, LCM,GCF,ADD AND SUBTRACT FRACTIONS

Identify this number as prime or composite.

71

• prime

• composite

Find the Least Common Multiple LCM for:

4 and 12

• 12

• 24

• 48

• 72

Find the Least Common Multiple LCM for:

9,24

• 36

• 60

• 126

• 72

Find the GCF Greatest Common Factor for :

12, 18

• 12

• 20

• 6

• 18

Find the GCF Greatest Common Factor for :

20,40

• 18

• 6

• 20

• 5

2 3/8 + 1 1/8

Find your answer in simplest form.

• 3 2/4

• 3 1/2

• 3 4/8

• 4 1/2

Find your answer in simplest form for the next fraction.

5 3/16 - 9/16

• 2 3/7

• 3 3/4

• 5 5/8

• 4 5/8

Find your answer in simplest form for the next fraction.

3 1/2 - 1 4/7

• 1 13/14

• 2 23/24

• 6 4/7

• 1 12/ 14

Find your answer in simplest form for the next fraction.

2 1/3 + 5/6

• 2 7/6

• 3 1/6

• 2 7/12

Identify this number as prime or composite

80

• prime

• composite