1 Use a single variable to create a problem situation based on a given open sentence. 2  Use input/output model with grade appropriate functions. 3  Use symbols to represent unknown quantities in number sentences.  Use the identity property of multiplication on whole numbers in computations and problem situations.
The Manhattan Project was the government project that took place from 1942 to 1946, the purpose of which was to develop a nuclear bomb. It succeeded on 16 July 1945 at the Trinity Test in New Mexico and went on to produce the two atomic bombs that destroyed the Japanese cities of Hiroshima and Nagasaki during WWII.
The program that developed the atomic bomb for the United States during World War II was the largest secret project ever undertaken by the U.S. government. The project was originally named Development of Substitute Materials, but there was concern that the name was too suggestive of its real purpose. section of land near Alamogordo, in south-central New Mexico was chosen and code-named Trinity. On July 16, 1945, the world entered the nuclear age with the detonation of the first atomic bomb. The explosion created a crater which measured nearly 2,400 feet across and was equivalent to about 20,000 tons of TNT.