~Subtract Zero ~Subtraction Doubles ~Subtraction Doubles Plus One ~Subtraction One Less ~Subtraction Two Less ~Subtraction Make Ten ~Subtraction "The Difference Is Zero" ~Subtraction Doubles and Doubles Plus One Mixed COMMON CORE STANDARDS 1.OA.1 Represent and solve problems involving addition and subtraction. 1.OA.3 Understand and apply properties of operations and the relationship between addition and subtraction. 1.OA.5 Add and subtract within 20 with counting. 1.OA.6 Add and subtract within 20. 2.AO.1 Represent and solve problems involving addition and subtraction. 2.OA.2 Fluently add and subtract within 20 using mental strategies
All 8 themes come in color and in black & white so you can save money on color ink! Print the black & white ones for hands-on homework! Each theme also comes with matching different Student Directions.