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Play Alien Angles at MathPlayground.com! Estimate each angle. Compare your estimate with a protractor.

Sign In Subscribe Logout Profile Math Games Math Stories Logic Lab Brain Boosts Library K 1 2 3 4 5 6+ Advertisement | Go Ad-Free! View Fullscreen Friendly aliens have lost their way and you are in charge of the rescue mission. Your job is to set the angle on the rescue launcher. Can you estimate the angles within 5 degrees? Download this Reflectagon Alien Angles - Learning Connections Essential Skills Estimation - visualize angle sizes Common Core Connection for 4th Grade Recognize angles as geometric shapes formed wherever 2 rays share a common endpoint. Understand concepts of angle measurement. Measure angles in whole-number degrees using a protractor. More Math Games to Play MATH PLAYGROUND Kindergarten Math 1st Grade Math 2nd Grade Math 3rd Grade Math 4th Grade Math 5th Grade Math 6th Grade Math Word Problems MATH PRACTICE Addition Practice Subtraction Practice Multiplication Practice Division Practice Fraction Practice Ratio Practice Prealgebra Practice Geometry Practice LEARNING LAB Logic Challenges Classics Collection Math Puzzles Spatial Reasoning Coding Activities Strategy Challenges Two-Player Activities Learning Activities PREMIUM MATH Thinkagons Reflectagons Bonus Math Practice Bonus Problem Solving Bonus Word Practice Focused Classroom Focused Family Subscribe FRACTION FOREST Unit Fractions Unit Fractions Pro Fraction Playground 1 Equal Fractions Equal Fractions Pro Fraction Playground 2 Adding Fractions Adding Fractions Pro Fraction Playground 3 THINKING BLOCKS TB Junior TB Addition TB Multiplication TB Fractions TB Ratios Modeling Tool Printables Videos Word Problems NUMBER PUZZLES Sum Stacks Number Sequence Sum Links Sum Blocks Chain Sums Sum Slider Stretch Sums Swap Sums Overlap Sums TEACHING MATH Teachers' Guides Algebra Puzzles Strategic Multiplication Fraction Tasks Problem Solving 3rd Grade Math Visual Math Tools Drift Boss Math Model Word Problems Advertisement | Go Ad-Free! Terms of Service About Us Get Support Accessibility Report Privacy Policy Math Playground®, Thinking Blocks®, and Puzzle Playground® are registered trademarks of Math Playground LLC. Copyright © 2002–2026 Math Playground LLC • All Rights Reserved

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