Illustrative Mathematics
Making Cookies
Hooray for chocolate chip cookies! Ask your mathematicians to triple a chocolate chip cookie recipe and then reduce the recipe by one-fourth. Your class may need two days to complete, tripling the recipe the first day and reducing the...
Illustrative Mathematics
Baking Cookies
You can never have enough cookies, but do you have enough ingredients? This activity allows your bakers to discover how many batches of cookies they can make with the ingredients provided. Also useable as an independent assignment, your...
Illustrative Mathematics
Bake Sale
Put math into action with the real-life scenario of a bake sale. The participants at this bake sale are ready to divide their fresh-baked cookies into bags. It is up to your number crunchers to help decide how many cookies should go in...
Teaching 2 and 3 Year Olds
Valentine’s Counting and Color Sorting Activity
Reinforce the concept of one-to-one correspondence with a Valentine's Day-themed counting and color sorting activity. Scholars sort foam hearts by color—red, orange, yellow, green, blue, and purple—then count and place them on a number...
National Park Service
It Was a Very Good Year
Waterton-Glacier International Peace Park includes whitebark pines that are over 1,200 years old, meaning they have been there since before medieval times. The second lesson of five details how to read tree rings for climate change and...
Curated OER
Thanksgiving For Preschool
Students read books, make turkey hands, eat gingerbread cookies, and more to learn about Thanksgiving. In this Thanksgiving lesson plan, students also write what they are thankful for.
Curated OER
Shape Sandwich
Students create sandwiches with an adult. In this shapes lesson, students are familiarized with shapes while making their sandwich.
Curated OER
Coo Coo for Counting
Students put coconut trees in order from numbers 1 through 10 that appear on each tree. In this ordering numbers lesson plan, students complete this activity after reading the book Chicka Chicka Boom Boom.
University of Cambridge
University of Cambridge: Nrich: Plates of Cookies
As you start to work on this problem, keep in mind that in England cookies are called biscuits. Solution provided.
University of Cambridge
University of Cambridge: Nrich: Biscuit Cookie Decorations
Solve this problem keeping in mind that cookies are called biscuits in England. Solution included.