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Unknown Angle Color by Number — Witch and Bubbles

Interactive worksheet with auto-grading, instant feedback, and printable PDF.

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Grade 4MathInteractive · Printable
Aligned to4.MD.C.7
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About this worksheet

Find an Unknown Angle by Addition 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 a missing angle by adding and subtracting known measures. Built for Grade 4 and aligned to 4.MD.C.7. 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

4.MD.C.7

Recognize angle measure as additive. When an angle is decomposed into non-overlapping parts, the angle measure of the whole is the sum of the angle measures of the parts. Solve addition and subtraction problems to find unknown angles on a diagram in real world and mathematical problems, e.g., by using an equation with a symbol for the unknown angle measure.

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