Chapter 1
Chapter 1 (p. 15)
Grade 7 Flashcards
The distance of a number from zero on a
number line; shown by | |.
absolute value
Chapter 1 (p. 8)
| 5 |  5
The opposite of a number.
additive inverse
Chapter 1 (p. 6)
The additive inverse of 5 is 5.
An expression that contains at least one
variable.
algebraic expression
x8
4(m  b)
Chapter 1 (p. 6)
A mathematical phrase that contains
operations, numbers, and/or variables.
expression
6x  1
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All rights reserved.
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Chapter 1
Chapter 1 (p. 14)
Grade 7 Flashcards
The set of whole numbers and their
opposites.
integers
. . . , 3, 2, 1, 0, 1, 2, 3, . . .
Chapter 1 (p. 32)
Operations that undo each other:
addition and subtraction, or
multiplication and division.
Adding 3 and subtracting 3 are
inverse operations:
inverse operations
5  3  8; 8  3  5
Multiplying by 3 and dividing by
3 are inverse operations:
2  3  6; 6  3  2
Chapter 1 (p. 14)
Two numbers that are an equal distance
from zero on a number line; also called
additive inverse.
5 and 5 are opposites.
opposites
5 units
�6 �5 �4 �3 �2 �1
Chapter 1 (p. 6)
CA_IDEA_Gr07_Voc_Cards.indd 234
0
1
2
3
4
5
6
A symbol used to represent a quantity
that can change.
variable
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
5 units
In the expression 2x  3,
x is the variable.
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