416 bright, colorful pages that give kids practice in the skills a 1st grader needs to be successful. Includes addition and subtraction, problem solving, number concepts, reading comprehension, handwriting, writing, grammar, maps, and lots more.416 bright, colorful pages that give kids practice in the skills a 1st grader needs to be successful. Includes addition and subtraction, problem solving, number concepts, reading comprehension, handwriting, writing, grammar, maps, and lots more.