- Measurement
- Plane Geometry

In honor of Veteran’s Day, people around the country are flying American flags. For many people, finding flags to buy in stores has been next to impossible due to the great demand. Therefore, many of...

- Measurement
- Plane Geometry

- Plane Geometry
- Problem Solving (Misc.)

Thursday is Pi Day! For all of the following calculations, use 3.14 for pi. In honor of Pi Day, Wilma’s class is having a pie party. Wilma brought in her favorite kind of pie – apple. When she cuts...

- Algebraic Expressions and Equations
- Plane Geometry
- Problem Solving (Misc.)

May is National Bike Month, so here are a few problems related to bicycles. Brenden is riding an old-time bicycle that has a back wheel with a diameter of 1 foot and a front wheel with a radius of 1.5...

- Measurement
- Plane Geometry
- Problem Solving (Misc.)
- Proportional Reasoning

This Friday, June 14th, the United States will celebrate Flag Day. If you check out the many websites devoted to Flag Day, you are sure to learn a lot about the history of the holiday and the history...

- Percents and Fractions
- Plane Geometry
- Probability, Counting and Combinatorics
- Proportional Reasoning

When most of us think of the Fourth of July, we think of fireworks! Over the years, fireworks have become more and more elaborate. However, this is also the time of year when safety agencies are...

- Probability, Counting and Combinatorics

The letters of the words GHOST, GHOUL, TRICK, TREAT and CANDY were written on 25 index cards, one letter per card. If the cards are shuffled and one card is selected at random, what is the probability...

- Probability, Counting and Combinatorics

Sam, Pam, Ken and Jen are exchanging gifts for the holiday. Each name is written on a slip of paper and placed in a bowl. Sam is the first to randomly select a name from the bowl. What is the...

- General Math
- Probability, Counting and Combinatorics
- Problem Solving (Misc.)
- Sequences, Series and Patterns

In 1998, Nkem Chukwu gave birth to the first set of surviving octuplets. The eight babies weighed from 11.3 ounces to 28.6 ounces at birth. Leonard Weisman, the Texas Children’s Hospital’s chief of...

- Probability, Counting and Combinatorics

Here is a table showing the number of tiles on which each letter appears in a standard English Scrabble game. Note that the blank tiles can be used as any letter a player wants. Jennifer and Pete are...

- General Math
- Measurement
- Probability, Counting and Combinatorics
- Problem Solving (Misc.)

The Iditarod sled-dog race is run on a trail that was originally a mail-supply route. In 1925, part of the trail became a lifesaving highway for the children who lived in Nome. The Iditarod is...