IXL Ultimate Summer Workbook For the Summer Between Grades 1 & 2: Includes math topics such as fact fluency, place value, addition, subtraction, telling time, and geometry; English language arts topics such as phonics, reading comprehension, capitalization and punctuation, parts of speech, and vocabulary; social studies topics such as map skills, geography, and economics; science topics such as force and motion, states of matter, and weather, and enrichment activities.