Two Dimensional Shapes and Their Attributes Lessons 1 and 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| point | An exact position, often marked by a dot.
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| line | A set of points that forms an endless straight path in opposite directions.
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| line segment | A part of a line with two endpoints.
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| intersecting lines | Lines that cross at one point.
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| parallel lines | Lines that never cross.
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| ray | A part of a line with only one endpoint
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| angle | Two rays with the same endpoint; that endpoint is the vertex of the angle.
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| vertex of an angle | The endpoint of two rays that form an angle.
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| right angle | An angle that makes a square corner.
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| perpendicular | Two lines, line segments, or rays that make a right angle.
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| acute angle | An angle that is open less than a right angle.
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| obtuse angle | An angle that is open more than a right angle.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Third Graders
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