Math

Rear Admiral Grace Hopper

Grace Hopper

Rear Admiral Grace Hopper (December 9, 1906 – January 1, 1992) was a U.S. Naval officer and a pioneering computer programmer. Among other accomplishments, Admiral Hopper was instrumental in the development of the computer programming language COBOL. Here’s another fun …[Continue]

Math Puzzles

Math Puzzles

Math puzzles really do offer something for everyone. They can be used to engage kids who think they don’t like math, or provide enrichment to those who already love math. Today’s collection includes interactive and printable puzzles, brainteasers and math …[Continue]

Real World Math

Real World Math

In honor of April’s status as Math Education Month, I’m starting off the month with a look at how math is used in our everyday lives. Like the little girl in Jon Scieszka’s Math Curse who wakes up to find …[Continue]

Sequences and Series

Sequences and Series

This week’s topic is one usually studied in first year algebra: sequences and series. Let’s start with some definitions. A sequence is an ordered list of numbers, and a series is the sum of the terms (the individual numbers) of …[Continue]

Ratio and Proportion

Ratio and Proportion

A ratio is the mathematic relationship between two numbers, where one is divided by the other. A proportion is an equation where two ratios are equal. A typical use might be something like this. The ratio of boys to girls …[Continue]

Square Root

Square Root

In celebration of Square Root Day on March 3, 2009, here are my picks for pre-algebra students learning about square roots. Square Root day is celebrated whenever the day and the month are both the square root of the last …[Continue]

Math Homework Help

Math Homework Help

Need help with your math homework? Who ya gonna call? When mom, dad, your older sister, your best friend, and your next-door-neighbor can’t help, these sites will be there for you. Some offer archives of previously asked questions and answers, …[Continue]

Pi Day

Pi Day

Pi is the ratio of the circumference of a circle to its diameter. Regardless of the size of the circle, pi is always the same irrational number: approximately 3.14. Twenty years ago, physicist Larry Shaw created a Pi Day celebration …[Continue]

Precalculus

Precalculus

William Mueller (see Wmueller.com below) describes precalculus as the bridge between the math you know, such as arithmetic and algebra, and a wondrous, fertile land ahead: calculus. In order to cross the bridge, you need a good understanding of how …[Continue]

Fractions

Fractions

Do fractions make you sweat? Whether you are a student or a parent helping a student, I’ve found five sites that will take you by the hand and explain everything you’ve always feared you could never learn about fractions. Take …[Continue]