Second Semester Vocabulary Review

Second Semester Vocabulary Review

Only write the words if you DON'T have them!

Unit 8 Vocabulary

• Polygon- a closed figure with at least 3 sides, where all sides are straight (no curves)

• Two-dimensional figure –  a figure with two basic units of measure, usually length and width 

• Attributes of two-dimensional figures –  characteristics that define a geometric figure (e.g., sides, vertices, etc.)

• Classify –  applying an attribute to categorize a sorted group

• Properties of two-dimensional figures -relationship of attributes within a geometric figure and between a group of geometric figures

Multiple Choice

Is a circle a polygon?

• Yes

• No

More Unit 8 Vocabulary

• Congruent –  of equal measure, having exactly the same size and same shape

• Equiangular – all angles in a polygon are congruent in measure

• Equilateral – all side lengths of a polygon are congruent in measure

• Side congruency marks –  side marks indicating side lengths of the same measure

• Angle congruency marks-angle marks indicating angles of the same measure

Angles!

• Acute angle- An angle that measures less than 90 degrees.

• Obtuse angle -an angle that measures greater than 90° but less than 180° 

• Right angle -an angle (formed by perpendicular lines) that measures exactly 90°

Multiple Choice

Is an acute angle smaller or larger than a right angle?

• Smaller

• Larger

Multiple Choice

Is an obtuse angle smaller or larger than a right angle?

• Smaller

• Larger

TRIangles!

• Acute triangle- A triangle with three acute angles.

• Obtuse triangle- A triangle with one obtuse angle and two acute angles. 

• Right triangle-  A triangle with one right angle and two acute angles. 

• Equilateral triangle- A triangle with congruent sides and angles.

• Isoceles triangle -A triangle with two congruent sides.  

• Scalene triangle - A triangle with no congruent sides. 

Multiple Choice

Can a triangle be both acute and equilateral?

• Yes

• No

Quadrilaterals

• Quadrilateral - A polygon with 4 sides and 4 angles 

• Trapezoid -  A quadrilateral with only one set of parallel sides.  

• Paralellogram - A quadrilateral with two sets of parallel sides. Opposite sides are congruent.  

• Rectangle- A quadrilateral with four right angles and two pairs of congruent sides. Opposite sides are parallel.

• Rhombus- A quadrilateral with four congruent sides. Opposite sides are parallel.

• Square-A quadrilateral with four right angles and four congruent sides. Opposite sides are parallel.

Multiple Choice

Is any shape with four sides a quadrilateral?

• Yes

• No

Multiple Select

What else can a square be classified as?

• Rectangle

• Parallelogram

• Rhombus

• Circle

Unit 9 Vocabulary

• Origin-the starting point in locating points on a coordinate plane

• Axes-the vertical and horizontal lines that act as a reference when plotting points on a coordinate plane

• Coordinate plane (grid)-a two-dimensional plane on which to plot ponts, lines, and curves

• Additive numerical pattern-a pattern that happens when a constant non-zero value is added to an input value

• Multiplicative numerical pattern-a pattern that happens when a constant non-zero value is multiplied by an input value

Multiple Choice

The origin is located at (0, 0).

• True

• False

Unit 10 Vocabulary

• Data-information that is collected about people, events, or objects

• Categorical data -data that represents the attributes of a group of people, events, or objects

• Discrete paired data - •data that involves only distinct values that are finite or countable

• Numerical data - data that represents values or observations that can be measured and placed in ascending or descending order

• Graph -•a visual representation of the relationships between data collected

More! Unit 10 Vocabulary

• Bar graph •a graphical representation to organize data that uses solid bars and a scaled axis

• Frequency table •a table to organize data that lists categories and the frequency

• Dot plot•a graphical representation to organize small sets of data that uses dots and an axis

• Stem-and-leaf plot•a graphical representation used to analyze and compare data by separating the digits based on place value.

• Scatterplot  •a graphical representation used to display the relationship between two variables

Multiple Select

What can we use to represent data?

• Bar graph

• Scatterplot

• Dot Plot

• Stem-and Leaf Plot

• Frequency Table