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Mrs. O'Neill

Weekly Math Challenge
Each week students can see Mrs. O’Neill for the weekly math challenge problem. Answers are due by the end of the school day on Friday. The winner is announced on the Monday morning announcements. Winners will consist of ONE correct answer from each grade level and/or a creative way of solving the problem. Every student that participants will earn a “Bee Card”. All CORRECT participants will earn TWO “Bee Cards

Week 9
Posted by Angela O'Neill on 11/11/2018Question:
Harvey has a fair eightsided cube that has a different number from 1 to 8 on each side. If he rolls this die twice, what is the probability that the second number rolled is greater than or equal to the first number? Express your answer as a fraction. SHOW OR EXPLAIN how you got your answer.
Answer to week 8:
Using a single 30% off coupon, the cost would be $35. Using a coupon of 20% off, then 10%, the price would be $36. She would save $1.00 using the single 30% off coupon.

Week 8
Posted by Angela O'Neill on 11/4/2018Question:
Nora went shopping to buy some new school clothes. At one store Nora bought a $50 dress and used two coupons, one for 20% off and one for 10% off. How much more would Nora have saved by using a single coupon for 30% off compared to using the 20% coupon and then 10% coupon? Show or explain how you got your answer.Answer to Week 7:Lucy typed 980 more words than RickyIf Lucy typed x words and Ricky typed y words, then x + y = 1632 and x = 4y4y + y =1632 y = 326.4 = 3265y = 1632 4y = 1304y = 326.4 = 326 1304 – 326 = 9785(326) = 1306Ricky typed 326 wordsLucy typed 1,306 words (or 1304)1306 – 326 = 980 words1304  326 = 978 words (depending on rounding, 978 is also correct) 
Week 7
Posted by Angela O'Neill on 10/29/2018Question:
Lucy typed a list of the words she could type using only her left hand, while Ricky typed a list of all the words he could type using only his right hand. Their lists had a combined total of 1,632 words, but Lucy’s list contained four times as many words as Ricky’s list. How many more words did Lucy type than Ricky? Show or explain how you got your answer. (hint: round to the near whole number, one’s place).
Answer to Week 6:
August 13th

Week 6
Posted by Angela O'Neill on 10/21/2018Question:International LeftHanders Day is celebrated each year in August. If the ratio of the number of days of the month before Left Handers Day to the number of days of the month after it is 2:3, on what date is this special day observed? You must show or explain how you got your answer to receive credit.Answer to Week 5 Challenge:27 
Week 5
Posted by Angela O'Neill on 10/15/2018Question:I’m thinking of a twodigit number where adding the two digits together will give you of the original twodigit number. What is the number?Answer for Week 4:Barbara – FlyBianca – ReeloPatty – WheezieTina  Blaze 
Week 4
Posted by Angela O'Neill on 10/8/2018Question:
Four Friends, Barbara, Bianca, Patty, and Tina are nicknamed Reelo, Wheezie, Fly, and Blaze—but not necessarily in that order. Based on the clues below, what is the nickname of each friend?
a.) Patty can run faster than Reelo but can’t swim as fast as Fly.
b.) Reelo is a faster swimmer than Tina but can’t run as fast as Wheezie.
c.) Barbara is faster than both Patty and Blaze but can’t swim as fast as Reelo.
Week 3 Answer:
A.) If Anna had 12 dimes and 3 nickels, she would have 15 coins and $1.35
B.) If Royce had 8 dimes and 2 quarters, he would have $1.30 and he would have 1/4 as many quarters as dimes.

Week 3
Posted by Mrs. O'Neill on 10/1/2018Question:a.) Anna’s mom gave her 15 coins to spend at the book fair. All the coins are nickelsand dimes. They total $1.35. How many of each coin does Anna have?b.) Royce has $1.30 in dimes and quarters to spend at the book fair. He has onefourth as many quarters as dimes. How many of each coin does Royce have?Week 2 Winners::Josh GonzalezTimmy ProutBryan RomaoWeek 2 Answer:52 Blocks 
Week 2
Posted by Anabel DaSilva on 9/24/2018Question:A cubical box without a top is 4 cm on each edge. It contains 64 identical 1cm cubes that exactly fill the box. How many of these small cubes actually touch the box? Show your thinking using pictures, words, or numbers.Week 1Winner:Timmy ProutAnswer: 720 possible combinations 
Week 1
Posted by Anabel DaSilva on 9/17/2018Krista is setting a password for her cellphone. The password is 6 digits long. She will only use the digits 1 – 6. Krista is not going to repeat any digits in the password. How many password combinations are there for Krista to choose from?