Holt - 6th Grade Ch. 1 Math Practice (for my kids)

Variables, Expressions, Exponents, Order of Operations,
STUDY
PLAY
8
27
64
125
216
343
512
729
1000
10³
169
(-13)²
-169
-13²
196
(-14)²
-196
-14²
225
(-15)²
-225
-15²
256
(-16)²
-256
-16²
289
(-17)²
-289
-17²
324
(-18)²
-324
-18²
361
(-19)²
-361
-19²
625
(-25)²
-625
-25²
81
3⁴
243
3⁵
729
3⁶
16
2⁴
32
2⁵
64
2⁶
128
2⁷
256
2⁸
512
2⁹
1024
2¹⁰
variable
A letter or symbol used to represent a number.
varable expression
an expression that consists of numbers,varables and operations
evaluate
To find the value of a numerical or algebraic expression
power
an expression that represents repeated multiplication of the same factor
base
the number or expression that is used as a factor in a repeated multiplication
exponent
number that represents the number of times the base is used as a factor
algebraic expression
A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.
associative property of addition
Changing the grouping of the addends does not change the sum.
commutative properties
The properties that state the order of the addends or factors does not affect the sum of the products.
compatible numbers
numbers that are easy to compute mentally
distributive property
Multiplying a sum by a number is the same as multiplying each addend by that number and then adding the two products.
evaluate
find out the value or amount of.
numerical expression
a mathematical expression that has a combination of numbers and at least one operation.
order of operations
The rules to be followed when simplifying expressions. Parentheses, Exponents, Multiply, Divide, Add, Subtract in order from left to right. Please Excuse My Dear Aunt Sally.
simplify
to simplify a numerical expression
variable
A letter or symbol used to represent a number.