Missing Minuend / Subtrahend Color by Number turns a key subtraction skill into a picture students actually want to finish. Students solve each problem, match the answer to the color key, and a hidden picture appears region by region. Students find the missing number in a subtraction sentence. Built for Grades 1–2 and aligned to 1.OA.D.8. No-prep and self-checking, it's ready for math centers, morning work, early finishers, or homework — and every download includes a print-ready PDF plus an interactive version with the answer key.
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = _ - 3, 6 + 6 = _.