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Integers
Fractions
Decimals
Vocabulary
Rational Numbers
100
h - 21 = -52
What is -31
100
z - 2/9 = 1/9
What is 3/9
100
y + 16.7 = -49
What is =- 65.7
100
A phrase to help you remember how to write a related additon problem
What is "add the opposite"
100
Examples of this kind numbers are 0, 1, 2, 3, 4, ...
What is a whole number
200
m - 5= -10
What is -5
200
2/5 + x = 1/4
What is - 3/20
200
c + 5.98 = 9.1
What is 3.12
200
The symbol used to represent a number not yet known.
What is a variable
200
Examples of this kind of number are -4,-3,-2,-1,0,2,3,4...
What is an integer
300
n + (-14) = -31
What is -17
300
-1/15 + r = 3/5
What is 10/15
300
y- 57 = -2.8
What is 54.2
300
Another way of saying the variable is by itself on one side of the equal sign.
What is isolated
300
Examples of this kind of number are 1/2, -0.333.., and 6
What is a rational number
400
p - (-13) = -10
What is -23
400
t - 3/4 = 25/4
What is 7
400
-18 = -9.6 + f
What is -8.4
400
The math term for the answer to an equation
What is a solution
400
A decimal that does not repeat or terminate
What is an irrational number
500
- 45 - x = - 90
What is 45
500
-9/10 - x = -19/10
What is 1
500
h - (-5.6) = 1.2
What is - 4.4
500
Operations that undo each other are called this
What is inverse operations
500
The one irrational number used in Pre-Algebra
What is pi