Math Test - Addition, subtraction, decimals, sequences, multiplication, currency, comparisons, place values, Algebra and more! Fundamental Math Elementary Math Pre-Algebra Providing teachers, parents, and students with high quality educational software at the best price (free). 7th Grade Pre Algebra A Vocabulary Chronological List Page 3 of 11 Term Definition ARITHMETIC SEQUENCE arithmetic sequence – a sequence where each term is found by adding or subtracting the exact same number to the previous term Ex. 4, 6, 8, 10, 12…is an arithmetic sequence (add 2) GEOMTRIC SEQUENCE Vocabulary is an important focus of literacy teaching and refers to the knowledge or words Oral vocabulary refers to words that children can understand or use while speaking and listening.