Mr. and Mrs. Cake

Here's your nightly math! Just 5 quick minutes of number fun for kids and parents at home. Read a cool fun fact, followed by math riddles at different levels so everyone can jump in. Your kids will love you for it.

Mr. and Mrs. Cake

July 3, 2015

Summer is a great time to go to county fairs, and a great thing to do at county fairs is eat. So we’re loving this math post, written by Bedtime Math fans Isabella and Finnian, about the “Cake Booth.” Every summer their Alameda County 4-H club sells cakes at the Alameda County Fair in Pleasanton, California. The couple who run the cake booth are known as Mr. and Mrs. Cake – which is only fair, since they’ve been baking for the cake booth for nearly 40 years. Mr. Cake has been baking all the cakes since 2003. We hope he takes a break to eat some cake himself.

Wee ones: Some of the most popular cake flavors are Red Velvet, yellow cake, German chocolate, lemon, vanilla, and all-chocolate. How many flavors of cake is that?

Little kids: Mr. Cake has been baking since 2003. How many summers has he baked during your lifetime?  Bonus: Each cake has 12 slices. If you gobble up 7 of them yourself, how many are left?

Big kids: If each of a cake’s 12 slices costs $2.00, how much does the whole cake cost?  Bonus: If 4-H members sell all the slices from 10 cakes, how many slices do they sell – and how much money do they raise?

The sky’s the limit: If Mr. Cake had baked an average of 50 cakes per day and the County Fair lasts an average of 19 days, how many cakes has Mr. Cake baked in those 40 years? Remember to include this year! (Hint if needed: If he baked 50 cakes just 1 day each year, how many cakes would it be?)




Wee ones: 6 flavors.

Little kids: Different for everyone…if you were born after 2003, count the years up to the year you were born. If you were born before then, it’s been 13 summers including this year!  Bonus: 5 slices.

Big kids: $24.00.  Bonus: 120 slices, which would bring in $240.

The sky’s the limit: 38,000 cakes!

And thank you again Isabella and Finnian for this yummy math!

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About the Author

Laura Overdeck

Laura Overdeck

Laura Bilodeau Overdeck is founder and president of Bedtime Math Foundation. Her goal is to make math as playful for kids as it was for her when she was a child. Her mom had Laura baking before she could walk, and her dad had her using power tools at a very unsafe age, measuring lengths, widths and angles in the process. Armed with this early love of numbers, Laura went on to get a BA in astrophysics from Princeton University, and an MBA from the Wharton School of Business; she continues to star-gaze today. Laura’s other interests include her three lively children, chocolate, extreme vehicles, and Lego Mindstorms.

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