# Number Sense Blog

By Mathnasium | Added Apr 24, 2019

Get ready, because this week’s word problem challenge is sweet! If your tutor for math brings up cookies as part of your math help you know the fun is going to be baked right in.

Take a bite out of this delicious word problem, which asks students to practice their elementary school math skills such as addition, subtraction, multiplication and problem-solving. Take your time working out the answer, and look below when you're ready to check your solution against ours.

Question: Emily is baking cookies. She arranges the cookie dough blobs on a baking sheet in 7 rows. Every even numbered row has 7 cookies, and every odd row has 8. How many cookies does Emily bake?

Solution: The even rows—the 2nd, 4th, and 6th rows—each have 7 cookies. Three rows of 7 cookies have 7 × 3 = 21 cookies. The odd rows—the 1st, 3rd, 5th, and 7th rows—each have 8 cookies. Four rows of 8 cookies have 8 × 4 = 32 cookies. That makes 21 + 32 = 53 cookies in total.

(Image above from maxpixel.net.)

### Favorites

Bedtime Math: http://bedtimemath.org/

National PTA: http://www.pta.org/

NCTM: http://www.nctm.org/

Numberphile: http://www.numberphile.com/

PTO Today: http://www.ptotoday.com/

STEM Connector: http://blog.stemconnector.org/

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