Broken Calculators

Topics: Addition, Subtraction, Skip Counting, Multiplication, Logic Materials: Scratch paper and pencil, handouts (optional) Recommended Grade: 3, 4 Common Core: 3.OA.A.3, 3.OA.A.4, 3.OA.B.5, 3.OA.D.8, 3.OA.D.9, 4.OA.A.4, 4.OA.C.5, MP1, MP2, MP3, MP6, MP7, MP8 Something is wrong with the calculators in each lesson. Can students reach the target number despite the broken buttons? Why We Love Broken Calculators The premise is simple, but …