# Mathematics

#### Behind the Statistics20 min.

Statistical data is rightly seen as a central feature of much psychological research, but students need to understand the important methodological processes underpinning the production of such data. In this film, we go Behind the Statistics to look at the various factors -- from sampling techniques, through ideas about correlation and causation to experimental design -- that can influence the reli...

#### New to Our Collection! Algebra Básica28 min.

This program continues the discussion of the number line and includes a review of intervals and inequalities. Then it's the first steps into basic algebra: constants, variables, equations, and a special surprise appearance by X.

#### New to Our Collection! Multiplicar y Dividir Fracciones10 min.

The Standard Deviants show you step-by-step how to multiply and divide those freaky fractions. They also explain some tricky concepts, like mixed numbers and improper fractions. Improper? How rude!

#### New to Our Collection! Racionales y Porcentajes8 min.

"Alas, poor Yorick! I knew him (Ho)ratio." Okay, math isn't Shakespeare, but that doesn't mean it can't be fun. The Standard Deviants cover ratios, converting fractions to percents, and converting decimals to percents.

#### New to Our Collection! Standard Deviants Español Pre-Algebra Series156 min.

Award winning Standard Deviants Series in Spanish. Standard Deviants School is an educational and entertaining lesson-based learning supplement based on the award-winning Standard Deviants teaching style. Standard Deviants School will capture your students’ attention and make your lectures come alive!

#### New to Our Collection! Sumar y Restar Fracciones14 min.

It's time to see fractions in action! Fight off those math blues as the Standard Deviants walk you through adding and subtracting fractions. It's as easy as pie (pieces of pie, that is).

#### New to Our Collection! Dividiendo Enteros8 min.

Students are often intimidated by division, but they don't have to be. The Standard Deviants start off with small numbers and basic concepts and move up from there. We cover quotients, remainders, and how to check the answer.

#### New to Our Collection! Fundamentos de Fracciones7 min.

The Standard Deviants set the groundwork for learning fractions. They cover fraction terms, common factors, and reducing fractions. Everything you need to start working with fractions!