CONTEST FOR STUDENTS AND TEACHERS
2007 WINNING ENTRIES
Click for Do the Math Student Winners
Click for answers to the winning entries
Do the Math Student Winners SOLUTIONS
3rd Grade
1st Place: Rian Morgan
How to work the problem: To find the total number of guests, add the total number of guests.
3 cats + 3 bats+ 3 ghosts+ 3 witches=12 guests
To find number of supplies, add the total number of guests plus Mr. Ghost.
3 cats + 3 bats+ 3 ghosts+ 3 witches+ Mr. Ghost=13
Answer 1: 3+3+3+3=12
Answer 2: 13 plates, napkins and cups
2nd Place: Salvador Diaz
How to work the problem:
Add everyone’s number of goals.
19+25+34+15+29= 122
Answer: 122 goals
4th Grade
1st Place: Lexi Shea
How to work the problem:
Multiple 4 x 1/3
Or
Add
1/3+1/3+1/3+1/3=4/3
Answer: 4/3= 1 cup 1/3 cup
2nd Place: Ethan Gonzales
How to work the problem:
Two dozen = 24 cookies
There are 5 family members to divide the cookies between.
24/5= 4 remainder 4
(24 divided by 5)
Answer: Each would get 4 cookies a piece. There would be 4 cookies left.
Honorable Mention: Shalana Miller
How to work the problem:
24 cupcakes-2 that the dog ate=22 cupcakes left
22/2= 11
(22 divided by 2)
Answer: They had 24 cupcakes but their dog ate 2 cupcakes so that means they each get 11 cupcakes.
Honorable Mention: Zach Pate
How to work the problem:
10,834,928 x 2= 21,669,856 test needed
There are 35 days between April 2 and May 7.
893,602 x 35= 31,276,070 tests made
Answer: Yes, there will be enough.
5th Grade
1st Place: Wesley Graham
How to work the problem:
$100.00+ $50.00- $0.80+$300.75-$78.00+$2.40= $374.35
Answer: $374.35
2nd Place: Christopher Robinson
How to work the problem:
1/5 x 5,000= 1,000 people on the second day
1/4 x 1000= 250 children on the third day
Answer: 250 children
Honorable Mention: Taylor Yates
How to work the problem:
Total number of pets watched:
1+3+2+4=10
Multiplied by $3 per pet:
10 x $3= $30.00
Cost of cell phone minus amount earned:
$40-$30=$10
Divided cost of one pet by the amount needed for the cell phone :
10/3= 3 remainder 1
Since she cannot walk a fraction of a pet, she’ll need to walk one extra to make sure she has enough money for her phone.
Answer: B.4
Honorable Mention: Jite Ovienmhada
How to work the problem:
300 games x 3boxes = 900 total games
300 games / 30=10
900-10=890
Answer: 890 games
6th Grade
1st Place: Laura Reifsnyder
How to work problem:
3,924 people/ 2= 1962
1962 x $5.00= $9810
3,924 people/ 4=981
981people x $3.00= $2943
$9810 + $2943= $12.753
Answer: $12,753
2nd Place: Catherine Anderson
How to work the problem:
62 people + 60 people + 61 people + 65 people= 248 total people rode the shockwave
248 / 4= 62 average amount of people every hour
Answer:
Average: 62 people
Actual: 248 people
Honorable Mention: Adriana Medina
Answers:
Mean= 13 remainder 4
Median=13
Mode=13
Range=13
(Click here for the explanation.)
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