Unit Pricing with Cookie Monster Part 2

by Standards Spotlight

| 2 QuestionsNote from the author:

This formative is by Kelly Quinn! Below, she describes how each 6th grade Common Core standard is assessed in it so you can see how it fits into what you are already teaching!

CCSS.MATH.CONTENT.6.RP.A.2
Understand the concept of a unit rate a/b associated with a ratio a:b with b ≠ 0, and use rate language in the context of a ratio relationship.

Students are given 4 ratio situations (cookie shops) and must use the resequence tool to order cookie shops based on the cost per cookie

CCSS.MATH.CONTENT.6.RP.A.3.B Solve unit rate problems including those involving unit pricing and constant speed.

Students are given 4 ratio situations (cookie shops) and must use the resequence tool to order cookie shops based on the cost per cookie

1

1

Cookie Monster is looking for the best cookie deal. Each store offers a different deal. Help Cookie Monster by order the stores from cheapest cost per cookie to most expensive cost per cookie.

- Cookies Galore: $3.00 for 4 cookies
- Yummy Bakery: $10.00 for 15 cookies
- Sugar Shack: $12.00 for 20 cookies
- Cookie Hut: $3.00 for 6 cookies

2

1

Cookie Monster wants to buy 3 dozen cookies (he's hungry!)

He likes the flavor of the cookies that can be purchased at Sugar Shack which cost $12.00 for 20 cookies.

How much will it cost for him to buy 3 dozen using the rate $12.00 for 20 cookies?

(Note: He is allowed to buy exactly 3 dozen of the cookies)

$18.75

$24.00

$60.00

$21.60

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