Category Archives: About Math

Easy or hard, fun or boring, like or dislike, good at it or bad at it …

2011 – 2012 Math Olympiads Contest – Will You Come?

The “Kansas Shiny Gems Math Olympiads Team” for 2011-2012 will have contest prep sessions by Mr. McCalla in the following date and time:

Session 1    Sept. 26, Monday, 7:45pm – 8:30pm
Session 2    Oct. 10,   Monday, 7:45pm – 8:30pm
Session 3    Oct. 24,   Monday, 7:45pm – 8:30pm
Session 4    Nov. 7,     Monday, 7:45pm – 8:30pm
 
The contest date and time are:
Test 1        Nov. 21,    Monday, 7:15pm – 7:45pm,  test problems re-cap by Mr. McCalla: 7:45pm – 8:15pm
Test 2        Dec. 19,    Monday, 7:15pm – 7:45pm,  test problems re-cap by Mr. McCalla: 7:45pm – 8:15pm
Test 3        Jan. 16,     Monday, 7:15pm – 7:45pm,  test problems re-cap by Mr. McCalla: 7:45pm – 8:15pm
Test 4        Feb. 13,    Monday, 7:15pm – 7:45pm,  test problems re-cap by Mr. McCalla: 7:45pm – 8:15pm
Test 5        Mar. 12,     Monday, 7:15pm – 7:45pm,  test problems re-cap by Mr. McCalla: 7:45pm – 8:15pm
 
The location for all sessions and tests is
Kansas City Christian School
4801 W. 79th Street,  Prairie Village, KS 66208
 
 

MathElite Tutoring Summer 2011

If you are looking for some math tutoring for your child, please consider MathElite Tutoring – see the flyer below: 

Time and location of the lessons can be very flexible.

Jack lives on 127th and Antioch
Michael lives on 139th and Nall

Please feel free to call or email them directly 🙂

Congratulations to all shiny gems for their outstanding performance!

Quartz, with a score of 23 out of 25 points in the 2010 – 2011 Math Olympiads contest, is awarded a GOLD pin, along with those in the top 2% of all contestants. Being the top scorer of the Shiny Gems Math Olympiads Team, she is also awarded with the special trophy. Great Job!

8 students earned silver pins. 

7 students earned embroidered patches. 

All students were recognized with a Certificate of Participation.

CONGRATULATIONS!

Your Math Olympiad Awards and Certificates

Finally we received the awards and certificates from Math Olympiads. Everyone will be rewarded!  Since we don’t have classes together any more, I would like to ask you to vote whether an award ceremony should be held.  (Note: if you want, we may be able to turn this into a big party 🙂 )
 
Please vote below.   
 
If you voted “No” to Award Ceremony, you can pick up your award or certificate in Chinese school on May 1, in the principal’s office.
 
If you voted “Yes” to Award Ceremony, please keep voting:
 
Please pick a location too!
  

Last Math Olympiad Test – March 21, 7pm

This might be the last chance for the Shiny Gems Math Club to be together!

Does anyone want to get together again after this test?

The Pi on Pie – hand made at home!

Home Made!

Gallery

π (pi) Day! Is Pi round or square?

This gallery contains 3 photos.

Yes, it’s Pi day! you may be wondering what it is! since it is March (3) fourteenth (14) and pi is 3.1415926535, the 3.14 is March 14th! My dad is baking an apple pie to celebrate! you should too. Next year, … Continue reading

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Answers to the Tricky Valentine’s Math Problems

 1. How Many Hugs?
Figure out a formula (or algorithm) that will calculate the following problem: Your mom gives you on hug on February 1st, 2 hugs on the 2nd, 3 hugs on the 3rd and so on. How many hugs will you have received in all of the month of February?  406

2. How Many Kisses?
You want to give your mom one kiss on February 1st, 2 kisses on the 2nd, 4 kisses on the 3rd, 8 kisses on the 4th, and keep doubling for the month of February. How many kisses will you need to give her? 268435455

3. How many Valentine’s are exchanged in a class of 20 if each students gives Valentine’s to everyone in the class?  380

4. The florist sells 150 bouquets of flowers. Each bouquet has a dozen roses. Five bouquets were returned because the flowers had ants. How many flowers were sold in all? 1740

5. February 14th is Valentine’s day. How many ways can you add up two numbers to make 14? (What about if you use negative numbers or fractions?)

2010 IMO (International Math Olympiads) Results

President Obama Congratulates IMO Medalist Evan O’Dorney http://maa.org/news/080910ODorneyObama.html 

High School Math Team from USA wins 3 Gold Medals, 3 Silver Medals at the 2010 IMO held in
Astana, Khazakhstan, July 2-14, 2010
http://amc.maa.org/imo/2010imo.shtml

US Team Brings Home 7 Medals from 2010 China Girls Mathematical Olympiad

http://maa.org/news/2010cgmo.html

This Valentine’s Day Will Be a Math Day – Solve Some Tricky Valentine’s Math Problems



1. How Many Hugs?
Figure out a formula (or algorithm) that will calculate the following problem: Your mom gives you on hug on February 1st, 2 hugs on the 2nd, 3 hugs on the 3rd and so on. How many hugs will you have received in all of the month of February? 

2. How Many Kisses?
You want to give your mom one kiss on February 1st, 2 kisses on the 2nd, 4 kisses on the 3rd, 8 kisses on the 4th, and keep doubling for the month of February. How many kisses will you need to give her? 

3. How many Valentine’s are exchanged in a class of 20 if each student gives Valentine’s to everyone in the class?   

4. The florist sells 150 bouquets of flowers. Each bouquet has a dozen roses. Five bouquets were returned because the flowers had ants. How many flowers were sold in all? 

5. February 14th is Valentine’s day. How many ways can you add up two numbers to make 14?  (What about if you use negative numbers or fractions?)

Post your answers before next Saturday, Feb. 19.

The correct answers will be posted on Saturday, Feb. 19. 

The 4th Math Olympiad Test is on Feb. 14th, at 7:15pm – Happy Valentine’s Day!

Happy Valentine’s Day!

Let us all celebrate this special Valentine’s Day with perfect scores on the 4th test of Math Olympiad!

KU Math Competition – Online Registration is Open

The well-known “KU Math Competition”, sponsored by the Math Dept to celebrate the Mathematics Awareness Month of April, will be held on Saturday, April 2, 2011, from 2pm to 3:30pm.  Detail information can be found at: https://www.math.ku.edu/info/info-mathawareness/math-awareness-month-2011/mam11.html 

This year you can register online at www.math.ku.edu/ or https://www.math.ku.edu/cgi/math_competition/register

The 3rd Math Olympiad Test is on Jan. 17, 2011, at 7:15pm

Just a reminder to all “Shiny Gems Math Olympiad Team” members:

Next Monday (Jan. 17, 2011) evening, we will have the 3rd test. The start time is 7:15pm. 

The volunteer familes are: Andy Zhang’s family and Bryce Hui’s family.

The 4th test date is Feb. 14 and the last is Mar. 21.

Can You Do This Math Exercise – Prime Factorization?



1. What is the prime factorization of 34 ?

A. 2 × 2 × 2 × 7

B. 2 × 17

C. 2 × 2 × 3 × 7 × 11

D. 2

E. 2 × 2 × 3 × 3

 

2. What is the prime factorization of 75 ?

A. 3 × 5 × 5

B. 2 × 2 × 3 × 7

C. 2 × 2 × 2 × 3 × 3

D. 2 × 2

E. 2 × 2 × 3

 

3. What is the prime factorization of 87 ?

A. 2 × 2 × 7

B. 2 × 2 × 2 × 3

C. 3 × 29

D. 2 × 5 × 11

E. 2 × 2

 

4. What is the prime factorization of 42 ?

A. 2 × 2 × 3

B. 2 × 3 × 7

C. 2 × 21

D. 2 × 2 × 2 × 3 × 3

E. 2 × 3

 

5. What is the prime factorization of 17 ?

A. 2 × 3 × 3

B. 2 × 2

C. 17

D. 2 × 2 × 2

E. 2 × 2 × 5 × 11

 

6. What is the prime factorization of 72 ?

A. 2 × 2 × 2

B. 2 × 2 × 3

C. 2 × 2 × 2 × 3 × 3

D. 2 × 2 × 18

E. 2

 

7. What is the prime factorization of 35 ?

A. 2 × 3 × 3

B. 2 × 2 × 2

C. 5 × 11

D. 5 × 7

E. 2 × 3 × 7

 

8. What is the prime factorization of 66 ?

A. 2 × 3 × 7

B. 2 × 2 × 2

C. 2 × 33

D. 2 × 3 × 11

E. 2 × 2

 

9. What is the prime factorization of 18 ?

A. 2 × 2 × 5 × 11 × 13

B. 2 × 2 × 3 × 3

C. 5 × 7

D. 2 × 2 × 2 × 3

E. 2 × 3 × 3

 

10. What is the prime factorization of 92 ?

A. 5 × 7

B. 2 × 46

C. 2 × 2 × 23

D. 2 × 2 × 2 × 5 × 11

E. 2

Can you guess what this picture stands for?

What is this?

Thanks to your thoughtful cards

Yesterday was the day for the second test of Math Olympiad. All gems gave holiday cards to Mr. McCalla. Some of them had really nice art work!

from Diamond to Mr. McCalla

Sugilite, Quartz and Emerald gave holiday cards and candies to the Park Ranger as well. 

    

Thanks a lot!

Math Olympiad Second Test is Dec. 20