Form 1 Maths C2 factors & multiplesQ1

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24

• 2, 3, 4, 6, 8, 12, 24, 36

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 4, 5, 6, 8, 12 ,24

Which numbers are prime?

• 3,5,7,15

• 3,5,2,7,13

• 2,4,6,8,10

• 3,5,7,9,11,13,15,21

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

Find the Least Common Multiple (LCM) of 2, 3 and 4

• 234

• 9

• 12

• 24

Tags

CCSS.4.OA.B.4

A class is having a party for 20 students. They are buying cups in packages of 8 and napkins in packages of 12.

What is the least number of packages of cups and napkins they should buy?

• 96 packages of cups and napkins

• 20 packages of cups and napkins

• 3 packages of cups and 2 packages of napkins

• 2 packages of cups and 3 packages of napkins

Tags

CCSS.4.MD.A.2

CCSS.4.OA.A.3

CCSS.4.OA.A.2

What is the greatest common factor of 24 and 36?

• 2

• 3

• 12

• 24

Tags

CCSS.4.OA.B.4

What is the LCM of 6 and 24? 

• 3
• 6
• 12
• 24

Tags

CCSS.6.NS.B.4

Sara had 16 red flowers and 24 yellow flowers.  She wants to make bouquets with the same number of each color flower in each bouquet.  What is the greatest number of bouquets that she can make?

• 4
• 2
• 48
• 8

Tags

CCSS.6.NS.B.4

What is the least common multiple of 20 and 30?

• 5

• 60

• 10

• 120

Tags

CCSS.4.OA.B.4

What is the PRIME factorization of 24?

• 2 x 2 x 2 x 3

• 2 x 2 x 3

• 6 x 4

• 3 x 3 x 2 x 2