Measuring Angles in Reference to Circles Math Games

3 games

In this series of games, your students will learn how an angle is measured with reference to a circle with its center at the common endpoint of the rays. The Measuring Angles in Reference to Circles learning objective — based on CCSS and state standards — delivers improved student engagement and academic performance in your classroom, as demonstrated by research. This learning objective directly references 4.MD.C.5.a as written in the common core national math standards.

Scroll down for a preview of this learning objective’s games and the concepts.

Concepts Covered

Understand equal partitioning and unit iteration to understand angle and turn measure. Angle measure is a “turning point” in the study of geometry. An angle is the union of two rays, a and b, with the same initial point P. The rays can be made to coincide by rotating one to the other about P; this rotation determines the size of the angle between a and b. Identify the measure of an angle that turns through a fraction of a complete circle. Limited to benchmark fractions 1/2, 1/3, 1/4, and 1/8. Identify the angle measure, in degrees, given the fraction the ray of an angle turns. An angle that turns through 1/360 of a circle is called a “one-degree angle,” and degrees are the unit used to measure angles. An angle that turns through n/360 of a circle is called an “n-degree angle” – use multiple values for n.

A preview of each game in the learning objective is found below.

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Image for Compare Two Numbers
Compare Two Numbers Estimated Duration: 4 minutes Compare Two Numbers
Image for Fishing Numbers
Fishing Numbers Estimated Duration: 9 minutes Travel to the Great Lake, filled with plenty of different sized fish, and work with the greatest fisher mathling to catch a good haul of fish! However, he wants the correct amount of fish that have the correct numbers on them, as they are precious for his business. Learn to identify which number is greater or smaller than the other.
Image for Number Compare - Compare
Number Compare - Compare Estimated Duration: 10 minutes Create meaning of greater than, less than, and equal to by moving objects into two independent play areas and watching the graph in the middle update in real time. Choose between a bar graph and a number line, and hear the comparison statement read out loud in English and another language of your choice.
Image for Number Compare - Lab
Number Compare - Lab Estimated Duration: 10 minutes Use this interactive whiteboard to create addition, subtraction, or comparison problems without feedback. Organize objects into ten-frames to visually compare which has more, or whether the number of objects are equal. Be creative in how subtraction is modeled.
Image for Magical Forest Deluxe
Magical Forest Deluxe Estimated Duration: 15 minutes Find yourself in a magical forest full of treasures and adventures. Collect coins and berries, answer questions, earn points! Good luck!
Image for Robot Chef
Robot Chef Estimated Duration: 18 minutes Congratulations, you are creating the first all-robot restaurant in the city! As you serve more customers, you will be able to build more robots to assist in delivering tasty treats. Attend Night School and answer questions to earn advanced robot chefs!
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