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?
Alien Angles - Learning Connections
Estimation - visualize angle sizes
Common Core Connection for Grade 4
Recognize angles as geometric shapes formed wherever 2 rays share a common endpoint.
Understand concepts of angle measurement.
angles in whole-number degrees using a protractor.
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