GCF and LCM practice Test

Find the Greatest Common Factor (GCF) of 60 and 75

• 1
• 3
• 5
• 15

Tags

CCSS.6.NS.B.4

Peter has 18 oranges and 12 bananas. He wants to make fruit baskets with the same number of each fruit in each basket. What is the greatest number of fruit baskets he can make?

• 3
• 4
• 5
• 6

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20

Tags

CCSS.6.NS.B.4

Two neon signs are turned on at the same time.  Both signs blink as they are turned on.  One sign blinks every 9 seconds.  The other sign blinks every 15 seconds.  In how many seconds will they blink together?

• 30
• 45
• 50
• 90

Tags

CCSS.6.NS.B.4

Rewrite the sum of the numbers as the product of their GCF and another sum. 36 + 45 = ?

• 6(6 + 9)
• 3(12+15)
• 9(4 + 5)

Tags

CCSS.6.NS.B.4

Find the missing number using the distributive property.
10 + 20  =  2(5 +  __)

• 2
• 4
• 5
• 10

Tags

CCSS.6.NS.B.4

Rewrite using distributive property and GCF.
16 + 24

• 2(8+12)
• 3(5+8)
• 4(4+6)
• 8(2+3)

Tags

CCSS.6.NS.B.4

What is the LCM of 12 and 10

• 120
• 50
• 60

Tags

CCSS.6.NS.B.4

What is the GCF of 8, 36 and 40?

• 4
• 2
• 8
• 1

Tags

CCSS.6.NS.B.4

What is the GCF of 20, 10 and 18?

• 4
• 1
• 2
• 9

Tags

CCSS.6.NS.B.4