2020 brought us an eclectic January! We hope you'll enjoy the new content in Arts and Humanities, AP Computer Science Principles, Khan for Educators, Class 10 Math and Physics for India, and for Official SAT Reading and Writing Practice.

Arts and Humanities

Art in 19th Century Europe (Article and Video)

• Pierre-Auguste Renoir, Portrait of Madame Charpentier and Her Children (Article)
• Think you know van Gogh? The Potato Eaters (Video)

Art of the Americas to World War I (Articles)

• Classical Architecture in Viceregal Mexico
• Early Viceregal Architecture and Art in Colombia
• Portrait Painting in the Viceroyalty of Peru
• Luis de Ria√±o and indigenous collaborators, The Paths to Heaven and Hell, Church of San Pedro de Andahuaylillas
• Diego Quispe Tito, Last Judgment, 1675
• Our Lady of Cocharcas and the Cuzco School of Painting
• Introduction to religious art and architecture in early colonial Peru
• Bernardo Bitti, Coronation of the Virgin
• Landscape Painting in Nineteenth-Century Latin America

Baroque to Neoclassical Art in Europe (Article)

• Rembrandt, Self-Portrait with Two Circles

Europe 1300-1600 (Video and Articles)

• The Renaissance in Spain, The Morata Master (Video)
• Portraits and fashion: Sandro Botticelli, Portrait of a Young Woman
• Christine de Pizan and a City of Ladies

Modernisms 1900-1980 (Article)

• Frida Kahlo, introduction

Special Topics in Art History (Videos)

• A desert on fire, Salgado photographs Kuwait
• "We have met the enemy and they are ours."
• The first modern photograph? Alfred Stieglitz, The Steerage

Computing

AP Computer Science Principles (Exercise and Articles)

• The digital divide (Exercise)
• The geographic digital divide
• The socioeconomic digital divide

Khan for Educators

Getting Started Teacher Training (U.S.) (Article)

• Mastery Challenges in Course Mastery - 2020

Math

Class 10 Math (India) (Articles)

• 2020 Class 10th board sample paper (Basic)
• 2020 Class 10th board sample paper (Standard)

Science

Class 10 Physics (India) (Video)

• Introduction: How to use this unit

Test Prep

Official SAT Practice (Articles)

• Frequently confused words | Quick guide
• Confusion with "its" and "their" | Quick guide
• Sentence fragments | Quick guide
• Semicolons | Quick guide
• Colons | Quick guide
• Commas | Quick guide
• Lists and punctuation | Quick guide
• Nonessential elements | Quick guide
• Interpreting graphs and data | Quick guide
• Linking clauses | Quick guide
• Verb tense and mood | Quick guide