This week's problems of the week feature a fun party theme! See if you or your students can answer their grade appropriate question!
Lower Elementary:
Question: Margie and Carrie are twins. Margie was born on December 17 at 11:45 pm, and Carrie was born on December 18 at 12:07 am. How much older is Margie than Carrie?
Upper Elementary:
Question: Barb’s birthday cake has 1 more candle than the number of years she has been alive. If 1/2 of the candles are blue, 1/3 of the candles are green, and the remaining 4 candles are yellow, then how old is Barb?
Middle School:
Question: Jenny is making a number of treat bags for her birthday party guests. She buys a bag of 50 lollipops, 8 of which are blue raspberry-flavored. Before distributing the lollipops amongst the treat bags, Jenny randomly picks 3 lollipops to keep for herself. Whatever she picks, she keeps. What is the probability that all 3 lollipops Jenny picks are blue raspberry-flavored? Round your answer to the nearest hundredth of a percent.
Algebra and Up:
Question: Nick, Rose, and Leif are decorating for their friend Angie’s surprise party. Nick can put up decorations in 1.5 hours, Rose can put up decorations in 2 hours, and Leif can put up decorations in 3.5 hours. How long will it take them to put up decorations if they all work together? Round your answer to the nearest minute.
Mathnasium of Royal Oak is a math-only learning center for K-12 students in Royal Oak, MI. Trusted by over a million parents, Mathnasium uses personalized learning plans and the proprietary Mathnasium Method™ to help students catch up, keep up, and get ahead on their math journey.
Our specially trained tutors deliver face-to-face instruction in a supportive and fun small-group environment, working with students to develop a deep understanding of math, build confidence, and improve academic performance.
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