Once they realize there are 360 degrees in a circle, they can divide to find the measurement of 5 minute increments. Once again, students can complete this activity without a protractor. This includes a little time practice, which my students always need. Students find angle measurements using a clock. With that information, students can solve the remaining problems without using a protractor.Īnother fun measuring angles worksheet is this angles in time activity. We begin my discussing an equilateral triangle and its angle measurement. Students use pattern blocks as a tool for measuring angles. This is a great way to reinforce the concept of parts-and-wholes. If additional skills practice is needed, I like using worksheets similar to the one below to let students practice finding the missing angle measurement. The can complete this measuring angles worksheet to further show their understanding. Have students determine the degree of the missing angle. Give students the total degrees of both angles and the measure of one of the parts of the angles. Then, draw an angle and split it into two parts. Ask students to find the sum of the total angle. Draw an angle and split the angle into two parts and give an approximate measure of each angle. The angle measure of the whole is the sum of the angle measures of all the parts. Have students find two angles that can be combined to form the following angles: 90 degrees, 108 degrees, 160 degrees, 30 degrees, 100 degrees, and 40 degrees.Īfter students find the matches explain that this means that when an angle is decomposed into parts. Give students a baggie of precut angles found on the following page. This lesson demonstrates how angles are additive. Measuring Angles Worksheets & Activities – Splitting Angles After students write their name, they use a protractor to find the measure of each angle. ![]() Students do not have to write exactly on the lines-diagonal lines are needed for a variety of angles. You may want to demonstrate ways to create a ”s” or an “o” using a ruler, because that can be tricky. They can use a ruler to write their name so that they only write straight lines. Once students show proficiency using a protractor, they will love this angle names activity. I’ve found that measuring angles worksheets with an included protractor are easier for students than using their own protractor, that this is a good scaffold for students. You’ll need to give students the opportunity to practice measuring angles with a protractor. Then, I spend a bit of time explicitly teaching students how to use a protractor to measure angles. I like to introduce how to measure angles with the Study Jams slide show on measuring angles. You may even want to record those observations for later reference. When first giving students a protractor, give them the opportunity to make observations about the protractor. Measuring Angles Worksheet – Using a Protractor Cut out a new, smaller unit and measure a few of the angles. Then, discuss what will happen if the size of the unit decreases. ![]() Cut a new, larger unit out and measure a few of the angles. After students have the opportunity to measure, discuss what will happen if the size of the unit increases. If you use the included triangles, the measurements should be similar. If each student creates his/her own wedge the total units needed will vary. Students should use their unit of measure to measure the angles on the Measuring Angles worksheet. Give students an index card and have students draw a narrow angle on the index card and cut it out The wedge that is cut out should be used as a unit of angular measure by counting the number of units that will fit in a given angle. In this lesson students measure angles with a non-standard unit. Hopefully, students will be familiar with the terms acute, right, and obtuse.īefore teaching students how to use a protractor, it is import for students to conceptualize the attribute of the spread of the rays that create the angle. Measuring Anglesīy the time students begin measuring angles, they will have likely learned about types of angles through the geometry in second, third, and possibly fourth grade. In this post, I’ve shared some of my favorite measuring angles worksheets, activities, and lessons. ![]() Of course, reading a protractor can be challenging for students, so they will need practice working with a protractor. It’s a math concept that lends itself to hands-on and engaging lessons. You can really be creative with your measuring angles worksheets and activities.
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