Fractions: GCF, LCM, and Add/Subtract/Multiply/Divide Fraction

List all the factors of 30:

• 1, 3, 5, 6, 30
• 1, 2, 3, 5, 6, 10, 15, 30
• 3, 6, 9, 15, 18, 21, 27, 30
• 5, 10, 15, 20, 25, 30

Tags

CCSS.4.OA.B.4

What is the GCF of 24 and 30?

• 3
• 6
• 12
• 15

Simplify 9/30:

• 1/3
• 1/6
• 2/9
• 3/10

Rename to an improper fraction:
2  ¾

• 6/4
• 7/2 
• 10/3
• 11/4

What are the first 3 multiples of 6?

• 2, 3, 6
• 3, 6, 9
• 6, 12, 18
• 18, 24, 30

What are the first 3 multiples of 8?

• 2, 4, 8
• 4, 8, 12
• 8, 12, 16
• 8, 16, 24

What is the LCM of 6 and 8?

• 12
• 16
• 24
• 68

Multiply: 
2/3 * 1/5 = 

• 2/8
• 3/8
• 2/15
• 3/15

Tags

CCSS.5.NF.B.6

In one school, 5/6 of the sixth-graders participate in cross country. Of these students, 2/5 win the race. What fraction of the sixth-graders won the race?

• 2/5
• 1/3
• 10/30
• 5/6

Tags

CCSS.5.NF.B.6

Add 2/3 + 2/15. Write the sum in simplest form.

• 4/45
• 4/5
• 12/15
• 24/30

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2