Least Common Multiple and Common Denominator

What is the least common multiple (LCM) of 3 and 20?

• 60
• 40
• 20
• 3

Tags

CCSS.4.OA.B.4

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

Tags

CCSS.4.OA.B.4

What is the least common multiple (LCM) of 15 and 2?

• 30
• 2
• 45
• 152

Tags

CCSS.4.OA.B.4

What is the least common multiple (LCM) of 6 and 8?

• 6
• 8
• 48
• 24

Tags

CCSS.4.OA.B.4

The multiples of 7 are
1,6,7,9,3,6,4

• True
• False

Tags

CCSS.4.OA.B.4

Choose the correct list of the first five multiples of 10.

• 1, 10, 20, 30, 40
• 10, 20, 30, 40, 50
• 5, 10, 15, 20, 25
• 10, 30, 40, 50, 60

Tags

CCSS.4.OA.B.4

CCSS.4.NBT.B.5

Choose the correct list of the first five multiples of 6. 

• 6, 12, 18, 32, 36
• 6, 14, 22, 28, 34
• 6, 12, 18, 24, 32
• 1, 6, 12, 18, 24

Tags

CCSS.4.OA.B.4

What number could be a common denominator for these two fractions?
2/3   and   3/4

• 3
• 4
• 7
• 12

Tags

CCSS.4.NF.A.2

What is the least common denominator of 1/7 and 3/6?

• 14
• 21
• 7
• 42

Tags

CCSS.4.NF.A.2

The TOP of the fraction

• numerator
• denominator
• factor
• multiple

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B