Variables & Expressions
Adding and Subtracting Real Numbers
Multiplying and Dividing Real Numbers
Roots and Powers
Properties
100
What is a letter or symbol used to represent a value that can not change called?
A variable
100
What is 3+2
5
100
A positive times a positive equals a?
Positive
100
What is the small number beside a base that tells you how many times the base is used as a factor?
An exponent
100
What two operations can you apply the commutative and associative property?
Multiplication and Addition
200
What type of expression contains only constants and/or operations?
Numerical
200
What is 3 - 8
-5
200
A negative times a negative equals a?
Positive
200
A _________ is an expression written with an exponent and a base.
Power
200
What property is all about what order the numbers are in?
The commutative property
300
What type of expression contains variables, constants, and/or operations?
An algebraic expression
300
What is -7 + 3
-4
300
A negative times a positive equals a?
Negative
300
What is 5 to the second power or five squared?
25
300
What property is all about the grouping of numbers or terms?
The associative property
400
What are two ways to say this algebraic expression using words? 4 - n
Four minus n The difference of four and n Four take away n n subtracted from four
400
What is -12 + -12
-24
400
What is -15 times -1?
15
400
What is the square root of 9?
3
400
What property is demonstrated below? 5+4=4+5
The commutative property. The order is changed but either way the sum is 9.
500
Brianna practices the piano 30 minutes per day. What is an algebraic expression for the number of hours she practices in d days?
30 times d
500
What is 9 -(-2)
11
500
What is -9 divided by 3
-3
500
What is the cube root of -27?
-3
500
What property is demonstrated below?
3(7 + 2) 3x7=21 3x2=6 21 + 6= 27
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