Chapter 5 Go Math

Justice, Noah, and Malea are planning to bake a cake for their friend Marcello's birthday. They found a recipe that requires them to find the factors of a number to determine the correct amount of ingredients. Can you help them understand what factors are?

• Numbers that Justice, Noah, and Malea can add together to get another number.

• Numbers that Justice, Noah, and Malea can subtract together to get another number.

• Numbers that Justice, Noah, and Malea can multiply together to get another number.

• Numbers that Justice, Noah, and Malea can divide together to get another number.

Tags

CCSS.4.OA.B.4

Nora, Denver, and Atlas are discussing their math homework. They need to understand the difference between factors and multiples in the context of a real-world scenario. Can you help them out?

• Factors are numbers that are the product of multiplying a number by an integer in a recipe, while multiples are numbers that divide evenly into the number of servings in a meal.

• Factors are numbers that divide evenly into the number of pages in a book, while multiples are numbers that are the product of multiplying a number by an integer in a series.

• Factors are numbers that are divisible by the number of chairs in a room, while multiples are numbers that can be divided evenly by the number of tables in the room.

• Factors are numbers that are divisible by the number of students in a class, while multiples are numbers that are the product of multiplying a number by an integer in a sequence.

Tags

CCSS.4.OA.B.4

Malea, Carl, and Kay are shopping for a party and need to buy 12 packs of soda. They want to divide the packs evenly among themselves. What are the possible ways they can divide the packs?

• 1, 2, 3, 4, 6, 12

• 1, 2, 3, 4, 6

• 2, 3, 4, 6, 12

• 1, 3, 4, 6, 12

Tags

CCSS.4.OA.B.4

Noah, Kay, and Justice are shopping for a gift and they have a budget of 20 dollars. They want to find different combinations of items that add up to 20 dollars. Can you help them find the factors of 20?

• 1, 2, 4, 5, 10, 20

• 1, 3, 6, 9, 12, 15

Tags

CCSS.4.OA.B.4

Carl, Marcello, and Kate are working on a project where they need to find the greatest common factor of the number of pages in two books. The first book has 24 pages and the second book has 36 pages. Can you help them find the greatest common factor of the number of pages in these two books?

• 18

• 12

• 6

• 30

Carl, Kate, and Atlas are shopping for art supplies. They need to buy sketchbooks with the same number of pages for a group project. If they have a choice between sketchbooks with 15 pages and sketchbooks with 25 pages, what is the greatest number of pages that both types of sketchbooks can have in common?

• 5

• 20

• 10

• 2

Kingston, Kay, and Carl are at a grocery store. They are trying to buy items in multiples of 5 dollars. Can you help them calculate the cost?

• 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, ...

• 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, ...

• 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, ...

• 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ...

Tags

CCSS.3.OA.D.9

Marcello, Justice, and Noah are at a fair where they are playing a game of throwing rings on multiples of 8. Can you help them identify the correct multiples?

• 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, ...

• 6, 14, 22, 30, 38, 46, 54, 62, 70, 78, ...

• 4, 12, 20, 28, 36, 44, 52, 60, 68, 76, ...

• 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, ...

Nora, Kate, and Noah are planning a party and they want to synchronize their watches. They notice that Nora's watch beeps every 6 minutes, Kate's watch beeps every 9 minutes. They want to know when will both watches beep at the same time. Can you help them figure out the least common multiple of 6 and 9 minutes?

• 18

• 21

• 15

• 12

Malea, Marcello, and Noah are planning a party and they want to serve both pizza and burgers. The pizza place delivers every 4 minutes and the burger place delivers every 7 minutes. They want both to arrive at the same time. What is the least number of minutes they should wait to have both delivered at the same time?

• 14

• 21

• 35

• 28