Google Docs, Google Sheets and Google Slides are a word processor, a spreadsheet and a presentation program respectively, all part of a free, web-based software office suite offered by Google within its Google Drive service.
Students of mathematics need to know their basic math facts with no hesitation and with super speed. The Japanese Abacus (Soroban) - The Soroban, an essential element of Japan Math, is a revision of the Chinese Abacus and allows advanced computation with unparalleled accuracy.Students of the Soroban have an academic edge in daily and competitive math tasks.ogic-Japan Math uses problem solving by using time tested puzzles, strategies and math-based games that originated in Japan. Japan Math is an ancient, turned modern, approach to mastering mathematics. Japan Math is an integrated method that is both teacher tested and theory based.
Formulas used with arithmetic sequences and arithmetic series: To find any term of an arithmetic sequence: where a1 is the first term of the sequence, d is the common difference, n is the number of the term to find. Note: a1 is often simply referred to as a.To find the sum of a certain number of terms of an arithmetic sequence: where Sn is the sum of n terms (nth partial sum), a1 is the first term, an is the nth term. Examples: Question Answer 1. Find the common difference for this arithmetic sequence 5, 9, 13, 17 ...ormulas used with arithmetic sequences and arithmetic series: To find any term of an arithmetic sequence: where a1 is the first term of the sequence, d is the common difference, n is the number of the term to find. Note: a1 is often simply referred to as a.