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## Problem Solvers

### Solution

Waste in our World  - August 09

A Visit to Your School  - May 09

Where Is The Center?  - April 09

The Library Problem - Mar 09

Multiplication along the Silk Road - Feb 09

The Barn Quilt Problem - Dec 08

Flags by the Numbers
(patterns and numbers and operations) - Nov 08

The AquaDom - One Large Aquarium
(geometry and measurement) - Oct 08

Measuring the "Grand" in the Grand Hotel
(problem solving and measurement) - Sep 08

Touring Washington DC
(problem solving) - Aug 08
Solution

Walk for the Paws
(algebraic thinking, problem solving and reasoning) - May 08
Solution

Coloring Maps
(problem solving and reasoning) - Apr 08
Solution

Using Your (Number) Sense of Balance
(number sense, problem solving and reasoning) - Mar 08
Solution

Creative Arithmetic (problem solving and reasoning) - Feb 08 Solution

Rock-Paper-Scissors (probability) - Dec 07 Solution

How Many Triangles? (geometry, patterns, algebraic reasoning) Solution

Height in Coins (measurement, estimation) Solution

Stained Glass Window Designs (geometry, fractions) Solution

From Leaks to Liters: Estimating Water Loss (measurement, data collection and analysis) Solution

Characteristics of Shapes (geometry) Solution

Knights in Armor (probability, ratio and proportion) Solution

Sharing Cookies (algebraic reasoning, problem solving and reasoning) Solution

Nine Jumping Numbers (patterns, algebraic reasoning) Solution

The Broken Calculator (number sense, arithmetic) Solution

Shoes for a Pen Pal (data collection and analysis) Solution

Making Brownies (fractions, arithmetic) Solution

Hummingbird Migration (data collection and analysis, measurement, multiplication) Solution

Terrific Trapezoids (geometry, problem solving and reasoning) Solution

Dicey Situation (probability, data collection and analysis) Solution

Counting Counts! (number system) Solution

More than a Guess (ratio and proportion) Solution

Patterns Galore! (patterns) Solution

Cheerio Count (data collection and analysis, estimation, multiplication) Solution

Talking Turkey (data collection and analysis, fractions, arithmetic) Solution

The Better Box (measurement, geometry, multiplication) Solution

Miniature Zoo (problem solving and reasoning) Solution

What's the Overlap? (geometry) Solution

Candy Conundrum (measurement, problem solving and reasoning) Solution

Risky Allowance (probability) Solution

Measuring Up (measurement, fractions) Solution

Make It 36 (geometry, multiplication) Solution

A Word to the Wise (arithmetic, problem solving and reasoning) Solution

Winning Strategy (problem solving and reasoning) Solution

Postage Due (arithmetic, algebraic reasoning) Solution

Pocketful of Coins (money, fractions) Solution

Egg Dilemma (problem solving and reasoning) Solution

Triangular Bicycle Flags (geometry, geoboards) Solution

Just a Second (time, multiplication) Solution

Catching Growing Night Crawlers (geometry, algebraic reasoning) Solution

Muffin Mania (algebraic reasoning, fractions, problem solving and reasoning) Solution

Decorative Plate Hanging (arithmetic, problem solving and reasoning) Solution

Holiday Fun (algebraic reasoning) Solution

Building a Box (geometry, problem solving and reasoning) Solution

Seymour Skwares (geometry, multiplication) Solution

Pattern-Block Quilts (geometry) Solution

Farmer MacDonald (data collection and analysis, graphs) Solution

Shape Search (geometry) Solution

March Mathness (statistics and data analysis) Solution

Picasso Masterpiece (geometry, mathematical connections--art, technology) Solution

Perfect-Square Geometry Partners (arithmetic, problem solving and reasoning)

Package Puzzle (algebraic reasoning) Solution

The Shopping Spree (estimation, algebraic reasoning) Solution

Fractionberry Pie (fractions)

A Walk in the Park (problem solving and reasoning, geometry) Solution

Marble Mayhem (data collection and analysis, problem solving and reasoning, arithmetic) Solution

Bike Trike (data collection and analysis) Solution

Average Days of Spring (arithmetic, patterns) Solution

Have a Heart (geometry, measurement) Solution

Measuring Hot Chocolate (fractions, problem solving and reasoning) Solution

Great Garlands (patterns) Solution

Football Frenzy (problem solving and reasoning, arithmetic) Solution

Pumpkin Puzzler (estimation, arithmetic, fractions) Solution

Turning the Tables (data collection and analysis, geometry) Solution

Everyone's Playing Basketball (time, problem solving and reasoning) Solution

Puzzling Prices (money, patterns) Solution

Painting Tiles (geometry, systematic counting) Solution

How Big Was the Cat? (measurement) Solution

Coloring Tetras with Two Colors (systematic counting, patterns) Solution

Tiles and Sides (geometry, data collection and analysis) Solution

Patterns in Squares (geometry) Solution

No Pegs Allowed (geometry--triangles, geoboards) Solution

Nets and Polyhedra (geometry, patterns) Solution

Three-Way Sharing (systematic counting, problem solving and reasoning) Solution

Stair Skipping (patterns, arithmetic) Solution

Which Graph Is Which? (graphs, data analysis) Solution

What Can You Measure? (measurement, data collection and analysis, systematic counting) Solution

Marbles (problem solving and reasoning) Solution

The Mathematics of Motion (geometry, spatial sense) Solution

Fair Share (geometry--geoboards, congruence) Solution

The Talking Club (patterns, systematic counting) Solution

How Many Towers? (patterns, systematic counting) Solution

Darts, Anyone? (problem solving and reasoning, arithmetic) Solution

Orange Game (arithmetic, exponential growth, geometry) Solution

Counting Cubes (skip counting, division, multiplication) Solution

What Shapes Can You Make? (geometry) Solution

Take Two: Fair or Unfair? (probability, problem solving and reasoning) Solution

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