Teach students to solve addition and subtraction involving multiples of ten with this set of practice sheets! The practice sheets (11 pages plus 11 answer keys) are based on place value concepts and build in difficulty to give you a quick and easy framework for teaching. Concepts include adding a multiple of ten and a multiple of ten, subtracting multiples of ten from multiples of ten, adding a 2-digit number and a multiple of ten, and finding ten more or ten less. Provide students with mani