Subtraction Set:Includes sets of 10, 20, 45, and 60 equations, along with answer keys.2 pages with 10 equations2 pages with 20 equations2 pages with 45 equations2 pages with 60 equationsAnswer Key AvailableAddition Set: Includes sets of 10, 20, 45, and 60 equations, along with answer keys.2 pages with 10 equations2 pages with 20 equations2 pages with 45 equations2 pages with 60 equationsAnswer Key AvailableInstructions: TouchPoint Instructions in English/SpanishThe examples on each page demonstr