2014–2015 MATHCOUNTS Club Activity Book 1

Activities à la carte2014–2015

Whether you already know what you want or need to do some browsing, this activities menu will help you find what you’re looking for fast!

This Year’s Featured Activities Hands-On & Interactive ActivitiesAlphabet Soup p. 50New: practicing area and proportional reasoning with letters of the alphabet O S

Club CryptoGRAPHers p. 28New: using the Desmos online graphing calculator to “de-code” and create secret messages O ȼ ☼

Create As You Pass Go! p. 88From 2012-13: following the engineering process to cre-ate a fun, original board game O ȼ Dice Dice Baby p. 11New Triple Activity: reviewing mental math, computation and more with 6 fun, creative dice games O ☼

Fun Problem-Solving Techniques p. 98From 2007-08: creative, hands-on strategies for tackling 4 types of challenging problems O S

Math BINGO p. 73Reboot: a mathematical twist on a classic game, now with 4 complete BINGO game sets O

Math Messengers p. 67Reboot: a mathematical version of the Telephone Game, now with a total of 8 game cards O ☼

Number Crunching p. 41New: using Tableau software to analyze data sets about cereal in a creative, interactive way O S

A Picture’s Worth a Thousand Math Problems p. 58New: a new take on paint by numbers that challenges students to solve math problems to create art O ☼

The Solve-A-Thon Game p. 35New: an introduction to the MATHCOUNTS Solve-A-Thon with a game of chance and skill O ☼

Sum Fun Tournament p. 90From 2009-10: a game with fun problems to solve and constantly changing teammates and opponents O

The SymMetry ChampiOnship p. 82From 2007-08: practicing vertical, horizontal and diagonal line symmetry with a challenging game O S

Talk Like a Pirate Day, Sep. 19th p. 62 Reboot: going on a treasure hunt, now with 2 sets of pirate-themed math problems O

Buzzer Blitz From 2007-08: hosting just-for-fun Countdown Rounds by using past Competition Series materials O ȼ ☼Club CryptoGRAPHers p. 28New: using the Desmos online graphing calculator to “de-code” and create secret messages O ȼ ☼

Create As You Pass Go! p. 88From 2012-13: following the engineering process to cre-ate a fun, original board game O ȼ Cube Poster From 2007-08: practicing 3-D geometry with a fun hands-on activity O ȼ SDeep-Sea Duel From 2011-12: Challenge Okta the Octopus online or play this math game against a classmate O ☼

Dice Dice Baby p. 11New Triple Activity: reviewing mental math, computation and more with 6 fun, creative dice games O ☼

Five Regular Geosolids From 2009-10: creating 5 3-D geometric solids by using straws and pipe cleaners O S

Free Ride GameFrom 2010-11: exploring fractions by using the context of bicycles and gear ratios O ☼ S

Fun Problem-Solving Techniques p. 98From 2007-08: creative, hands-on strategies for tackling 4 types of challenging problems O S

Getting Bigger or Smaller? From 2012-13: completing a maze to practice decimal operations and their effect O ☼ S

GRAPHic ArtFrom 2013-14: using the Desmos online graphing calcu-lator to draw pictures O ȼ ☼I Heart Math Club! From 2013-14: 4 fun and engaging card games that re-view mental math, computation and inference O ȼ SKenKen, Vol. 1 & 2From 2011-13: 22 Sudoku-style puzzles using logic skills and number sense O ☼ S

Let’s Make a Deal an Educated GuessFrom 2013-14: using probability to test the classic Monty Hall Problem from Let’s Make a Deal O S

in this year’s Club Activity Book O available at www.mathcounts.org/clubleaders ȼ no photocopies needed ☼ easy to set up involves use of technology includes a problem set/challenge S also focused on a specific skill also hands-on/interactive

2014–2015 MATHCOUNTS Club Activity Book2

...Hands-On & Interactive Activities Activities Focused on Specific SkillsM&Ms® From 2007-08: practicing statistics and probability...and eating the data at the end O ☼ S

Math BINGO p. 73Reboot: a mathematical twist on a classic game, now with 4 complete BINGO game sets O

Math Messengers p. 67Reboot: a mathematical version of the Telephone Game, now with a total of 8 game cards O ☼

Number Crunching p. 41New: using Tableau software to analyze data sets about cereal in a creative, interactive way O S

A Picture’s Worth a Thousand Math Problems p. 58New: a new take on paint by numbers that challenges students to solve math problems to create art O ☼

Pinwheel PowerFrom 2010-11: creating an original pinwheel and learning about the math behind it O ☼

Press PlayFrom 2013-14: watching, critiquing and producing Math Video Challenge videos O ☼

Product GameFrom 2009-10: BINGO-style game involving a list of factors and a grid of products O ☼ S

Reflection BattleFrom 2009-10: practicing symmetry with a fun, easy-to-create game O ȼ ☼ S

Smallest Integer GameFrom 2012-13: playing a fun game and then analyzing the results O ☼ S

The Solve-A-Thon Game p. 35New: an introduction to the MATHCOUNTS Solve-A-Thon with a game of chance and skill O ☼

Sum Fun Tournament p. 90From 2009-10: a game with fun problems to solve and constantly changing teammates and opponents O

The SymMetry ChampiOnship p. 82From 2007-08: practicing vertical, horizontal and diagonal line symmetry with a challenging game O S

Tall Tower From 2012-13: practicing engineering skills to construct a pipe cleaner tower O ȼThinkFun® Strategy Game – Chocolate FixFrom 2011-12: practicing problem-solving while fulfilling orders in a chocolate shop O S

ThinkFun® Strategy Games – Hounds & Hare and Swag From 2010-11: 2 strategy games to strengthen problem-solving skills O S

Algebra Meeting From 2009-10: a problem set covering a variety of algebra and pre-algebra topics O ☼

Alphabet Soup p. 50New: practicing area and proportional reasoning with letters of the alphabet O

The Counting Bee From 2013-14: boosting mental math skills with a fun, exciting counting contest O ȼ ☼

Enlarging ArtFrom 2007-08: using proportions to enlarge photos of the students’ school mascot O ☼

Eye-Catching Symmetry From 2013-14: identifying line and rotational symmetry in common company logos O ☼Faster Rate × Less TimeFrom 2013-14: a MATHCOUNTS Mini exploring new ways to solve d = r × t problems O ☼

Form & FunctionFrom 2009-10: applying geometry and ratios to the con-struction of ship hulls O

Fun Number TheoryFrom 2010-11: a fun problem set covering a number of topics, but with a focus on number theory O ☼

Logic Challenges From 2010-11: a problem set of logic puzzles with topics ranging from counting to spatial reasoning O ☼

MATHCOUNTS Minis: Arithmetic Sequences From 2010-11: explaining how to solve problems involving arithmetic sequences O ☼

MATHCOUNTS Minis: Counting Techniques From 2011-12: exploring new ways to approach different counting problems O ☼

Number Lines & Coordinate Planes From 2009-10: a problem set about number lines and coordinate planes, covering numerous topics O ☼

Overlapping Photos From 2011-12: using trigonometry to solve a problem set involving overlapping photos and airplanes O ☼

Pascal’s Triangle From 2013-14: an introduction to understanding and using Pascal’s Triangle O ☼

Past Math Challenges From 2007-13: 6 10-question and 34 5-question problem sets covering numerous skills O ☼

Patterns From 2007-08: a fun problem set with a variety of patterns commonly found in math problems O ☼

in this year’s Club Activity Book O available at www.mathcounts.org/clubleaders ȼ no photocopies needed ☼ easy to set up involves use of technology includes a problem set/challenge S also focused on a specific skill also hands-on/interactive

2014–2015 MATHCOUNTS Club Activity Book 3

...Activities Focused on Specific Skills Themed & Holiday-Based ActivitiesPatterns All Around From 2013-14: learning new strategies for solving prob-lems involving patterns O ☼

Portions of PortionsFrom 2009-10: practicing portions of portions, from frac-tions to percents O ☼

Probability MeetingFrom 2009-10: a problem set to practice and apply knowledge of probability O ☼

Proportional ReasoningFrom 2010-11: a problem set focused on measurement and proportions O ☼

Reading Charts & GraphsFrom 2009-10: a problem set challenging students to interpret a variety of methods of displaying data O ☼

Rubik’s CubeFrom 2011-12: drawing 3-D geometric shapes (including a Rubik’s Cube) to scale O ☼

Rules GameFrom 2007-08: creating rules for a math game that other students play O ȼ ☼Secret Writing From 2010-11: using cryptography to write secret mes-sages. Club Leaders, beware! O S

Shake It Up From 2009-10: applying actuarial skills to create scatter-plots of earthquake data O ☼

Story of a GraphFrom 2012-13: matching graphs to real-life scenarios and creating original graphs O ☼

Tennis Balls From 2007-08: practicing combinations and permutations with tennis balls (and even ice cream!) O ☼

Tree DiagramsFrom 2011-12: a problem set about tree diagrams to understand different outcomes of given events O ☼

30 with 30 for 30 From 2012-13: 30 problems with the number 30 to cele-brate the 30th anniversary of MATHCOUNTS O ☼

Bake Cookies Day, Dec. 18th From 2008-09: a cookie-themed problem set that will have your students hungry for more O ☼

Defy Superstition Day, Sep. 13th From 2008-09: a set of problems that all center around common superstitions O ☼

Dictionary Day, Oct. 16th From 2008-09: an alphabet-themed problem set cover-ing a variety of topics O ☼

Games & Puzzles Month, NovemberFrom 2008-09: a set of problems that include mazes, game boards and other puzzles O ☼

Halloween, Vol. 1 & 2 From 2007-09: spooky, scary, fun Halloween-themed math problems O ☼

Measure Your Feet Day, Jan. 23rd From 2008-09: practicing measurement and proportions in a fun, hands-on way O

Opposite Day, Jan. 25th From 2008-09: practicing inverse operations as “doing the opposite” O ☼

Pi Day, Mar. 14thFrom 2007-08: in honor of Pi Day, a problem set with questions that all use π O ☼

Piggy Bank Day, Nov. 2nd From 2008-09: a problem set in which students “earn money” for each question answered correctly O ☼

Read a Book Day, Sep. 6th From 2008-09: a literature-themed problem set featuring references to classic novels O ☼

St. “Pi”tricks Day From 2008-09: a combination of Pi Day problems and St. Patrick’s Day problems for 3/14 – 3/17 O ☼

Talk Like a Pirate Day, Sep. 19th p. 62 Reboot: going on a treasure hunt, now with 2 sets of pirate-themed math problems O

Valentine’s DayFrom 2007-09: sweet, lovely, fun Valentine’s Day-themed math problems O ☼

activity!Bon appetit!

in this year’s Club Activity Book O available at www.mathcounts.org/clubleaders ȼ no photocopies needed ☼ easy to set up involves use of technology includes a problem set/challenge S also focused on a specific skill also hands-on/interactive

The National Association of Secondary School Principals has placed this program on the NASSP Advisory List of National Contests and Activities for 2014–2015.