For decades, teachers drilled American school children using flash cards that gave simple arithmetic problems. The advent of inexpensive electronic calculators in the 1970s made it possible to do much routine arithmetic automatically. To teach school children the meaning of basic operations, new dev

In the early 1960s, the Chicago firm of Playskool introduced this educational toy for children three to six years old, seeking to give them an early familiarity with numbers. It has two rows of relatively large rotating wooden rectangular blocks, each with a row of square rotating wooden blocks belo

During the late 1950s and 1960s, American scientists and educators proposed using machines for instruction. Teaching machines and related programmed textbooks used a careful sequence of questions for teaching. Jerome C. Meyer and later William R. Hafel, both of Sunnydale, California, believed that i

Introduced in mid-1976, the Little Professor is a non-printing electronic calculator modified to present simple arithmetic problems. A correct answer prompts another problem on the eight-digit display. An error delivers the message, "EEE." The colorful keyboard shows a professor with whiskers and gl

This useful reading guide will help engage young readers as they read Lemonade in Winter: a Book About Two Kids Counting Money, a children's book based that tells the story of two siblings who decide to spend an otherwise snowy winter's day opewning a lemonade sta

In this tour, take a close look at a life mask made of Abraham Lincoln in 1865 and gain insight into his life during the Civil War. Pair this tour with a 3D tour of a life mask made in 1860 to consider the impact of the war on Lincoln. Life masks we

Take a close look at two architectural drawings to learn about symmetry and scale. Part of an OurStory module entitled Building Beautiful Buildings, this activity includes step-by-step instructions, images of museum objects, and background information on architecture. OurStory is designe

In this thematic unit, students will use USS CONSTITUTION as a vehicle to explore a wide range of disciplines including language arts, reading, math, science, art, and social studies. The content scope of the curriculum is wide and var

This activity will encourage children to look for math in their everyday activities, and introduce science concepts behind the game of baseball. In this activity, students will use discussion prompts to make the most of their visit. This activity is part of an OurStory module entitled Life in

In 2005, Hurricane Katrina ravaged the Gulf Coast of the United States. In her wake, a team of curators from the museum set out to collect objects that captured the history of the moment and what it meant to the country. In this episode of the History Explorer podc