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Missing Addend Color by Number — Cat in a carton box
Interactive worksheet with auto-grading, instant feedback, and printable PDF.
Grades 1–2MathInteractive · Printable
Aligned to1.OA.D.8
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1 Common Core standard
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About this worksheet
Missing Addend Color by Number rewards every correct answer with another piece of a hidden picture. Students solve each problem, match the answer to the color key, and a hidden picture appears region by region. Students find the missing part of an equation, deepening how they understand addition. Built for Grades 1–2 and aligned to 1.OA.D.8. It's no-prep and self-checking, perfect for centers, fast finishers, review days, or sub plans, with both a print-ready PDF and an interactive answer-key version in every download.
Curriculum
Common Core standards covered
1.OA.D.8
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 = _.
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