Unit 7, Section B
The Size of an Angle
Grade 4
Practice
Problem 1
- Write 2 statements that compare the sizes of Angles A and B.
- Draw an Angle C that is greater than Angle B.
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Problem 2
- Which set of clock hands makes a greater angle? Explain how you know.
- Choose one of the clocks. Describe how to draw the angle represented by the hands on the clock.
Problem 3
This angle has a measure of \(10^\circ\).
- How many of these angles can you put together, without overlaps, to make a complete circle? Explain or show how you know.
- Explain how you can use the given angle to sketch a \(5^\circ\) angle.
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Problem 4
Use the given protractor to find the measurement of each angle.
Which of these shapes have segments that are perpendicular to one another? Trace or circle the perpendicular segments.
image of 3 geometric shapes. A. shape with 4 sides of equal length, 2 acute angles and 2 obtuse angles. B. 6 sided shape, looks like a top hat, 1 right angle formed by the top side and left side. C. shape with 4 sides, 1 right angle formed by the top side and right side.
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Problem 8
Exploration
- What is the measurement of each angle on the pentagon?
- Connect each vertex to every other vertex with line segments that cross the pentagon. What do you notice? What do you wonder?
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Problem 9
Exploration
Can you estimate or find the measurement of Angle F? If so, explain or show how you know.
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