LCM and GCF Quiz

Farida is making activity baskets to donate to charity.  She has 100 coloring books and 360 crayons.  What is the greatest number of baskets she can make if each type of toy is equally distributed among the baskets? How many coloring books and crayons each basket contain?

• The greatest number of baskets she can make is 20, each basket contains 5 coloring books and 18 crayons

• 20, 5, 18

• The greatest number of baskets she can make is 1800, each basket contains 50 coloring books and 180 crayons

• 1800, 50, 180

Find the GCF of 451 and 501

• 14

• 45

• 1

• 11

Find the LCM of 47 and 5

• 235

• 1

• 57

• 35

Write is the prime factorization of 60

• 2² × 3 × 5

• 2² × 3² × 5

• 2 × 3⁴

• 3⁴ × 7

Write is the prime factorization of 66

• 3 × 2 × 11

• 3 × 5

• 2 × 11

• 2² × 3

List all the factors of 40

• 1, 2, 4, 5, 8, 10, 20, 40

• 1, 2, 4, 10, 20, 40

• 1, 2, 4, 5, 8, 40

• 2, 4, 5, 8, 10, 20, 40

Tags

CCSS.4.OA.B.4

List all the factors of 72

• 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

• 1, 2, 3, 4, 8, 9, 18, 24, 36, 72

• 1, 2, 3, 6, 12, 24, 36, 72

• 1, 2, 3, 4, 8, 9, 12, 18, 24, 36, 72

Tags

CCSS.4.OA.B.4

List all the factors of 90

Tags

CCSS.4.OA.B.4

List five multiples of 7, some less than 100 and some greater than 100.

• E.g., 35, 70, 700, 7000, 70 000

• E.g., 35, 64, 77, 700, 7000, 70 000

• E.g., 35, 70, 700, 7000, 60 000

• E.g., 35, 70, 700, 7500, 70 000

List five multiples of 12, some less than 100 and some greater than 100.

• E.g., 12, 24, 48, 120, 240

• E.g., 12, 24, 38, 120, 240

• E.g., 12, 24, 48, 120, 140

• E.g., 12, 34, 48, 120, 240