Chapter 10
Chapter 10 (p. 486)
Grade 6 Flashcards
The sum of the lengths of the sides of a
polygon.
18 ft
perimeter
6 ft
perimeter � 18 � 6 � 18 � 6 � 48 ft
Chapter 10 (p. 534)
The sum of the areas of the faces, or
surfaces, of a three-dimensional figure.
12 cm
surface area
6 cm
8 cm
Surface area � 2(8)(12) �
2(8)(6) � 2(12)(6) � 432 cm2
Chapter 10 (p. 518)
A point at which three or more edges of
a polyhedron intersect.
vertex
Vertex
Chapter 10 (p. 524)
The number of cubic units needed to fill
a given space.
4 ft
volume
3 ft
12 ft
Volume � 3 � 4 � 12 � 144 ft3
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Chapter 11
Chapter 11 (p. 572)
Grade 6 Flashcards
An inequality that contains at least one
variable.
algebraic inequality
x  3  10
5a  b  3
Chapter 11 (p. 558)
The number that is multiplied by a
variable in an algebraic expression.
coefficient
5 is the coefficient in 5b.
Chapter 11 (p. 573)
A combination of more than one
inequality.
compound inequality
2  x  10
Chapter 11 (p. 572)
A mathematical statement that compares
two expressions by using one of the
following symbols: , , , , or .
inequality
58
5x  2  12
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