Unit 3 Mid-Topic Checkpoint 6.NS.4, 6.EE.1

The Wolf Spider eats every 5 days. The Armed Spider eats every 7 days. If they both ate on January 1st, when is the first day they will both eat again?

• January 12

• January 35

• January 7

• February 4

You went to an ice-cream shop and asked for half vanilla and half chocolate. The vanilla ice cream machine is filled every eight hours and the chocolate ice cream machine is refilled every nine hours. After how many hours will they both be refilled again?

• 17

• 72

• 89

• 98

Olivia, Aria, and Mason are on a treasure hunt. They found a chest locked with a number lock. The hint to open the lock is 'Find the GCF of 14 and 42'. Can you help them open the chest?

• 14

• 42

• 28

• 56

• 50

• 100

• 200

• 20

Mia, David, and Grace are on a treasure hunt. They found a mysterious box with a lock that can only be opened by entering the prime factorization of 100. Can you help them unlock the treasure?

• 3^2 * 25

• 2^3 * 5^3

• 10^2

• 2^2 * 5^2

Benjamin, Aria, and Zoe are playing a fun math game. Benjamin picked the numbers 12 and 24. He asked, '12 is the ______ of 12 and 24.' Can you help Aria and Zoe answer this?

• least common multiple

• quotient

• sum

• greatest common factor

• 64

• 216

• 512

• 24

Liam, Nora, and Ava are having a friendly competition to see who can list only prime numbers. Which list would win the competition?

• 1, 4, 6, 8, 9, 10, 12, 14, 15, 16

• 2, 3, 5, 7, 11, 13, 17, 19, 23, 29

• 3, 6, 9, 12, 15, 18, 21, 24, 27, 30

• 4, 6, 8, 9, 10, 12, 14, 15, 16, 18

Which pair of numbers has a GCF of 5?

• 15 and 30

• 5 and 21

• 45 and 9

• 20 and 55

Josephine counts by three's ,while Lilli counts by five's. What is the smallest number that they both say?

• 3

• 5

• 8

• 15