EXPONENTS
In the expression 93 which number is the base and which number is the exponent?
9 - base
3 - exponent
What would happen if we didn't follow the order of operations?
Our answers would be incorrect.
When a letter stands in the place of a number it is called a ______________.
Ex: 9x
variable
What property?
p + 4 = 4 + p
Commutative property of addition
What are 3 synonyms for multiplication?
times per
multiply each
product
twice
What operation are you using when determining the value of 32 ?
a. division
b. addition
c. multiplication
c. multiplication
What does PEMDAS stand for?
Parenthesis
Exponents
Multiplication/Division
Addition/Subtraction
Evaluate if x=5 and y=2
3x + y
3(5) + 2
15 + 2
17
( 4 + 5 ) + 6 = 4 + ( 5 + 6 )
Associative property of addition
Which part of this expression is the variable? Coefficient?
4d - 9
d - variable
4 - coefficient
What is the EXPANDED form of 53 ?
a. 5 x 5 x 5
b. 125
a. 5 x 5 x 5
What would you do first to simplify this expression?
7 x 8 - 5 + 3 x 22
22
Evaluate if x=6, y=0
5y + 7x + y
5(0) + 7(6) + 0
0 + 42 + 0
42
What property is 5(0) = 0
a. zero product property
b. multiplicative identity
c. distributive property
a. zero product property
How would you write six less than x ?
x - 6
What is the standard form of 73 ?
a. 343
b. 7 x 7 x 7
c. 21
a. 343
Simplify this expression:
18 + 6 x 22
18 + 6 x 4
18 + 24
42
What is the formula for VOLUME.
HINT: think of a cereal box or a block
lwh
Which does NOT show the commutative property of addition?
a. 4 + x = x + 4
b. 3x + 2y = 2y + 3x
c. ab = ba
c. ab = ba
Use the distributive property to simplify.
2(x + 6)
2x + 12
What is 34 x 62 in expanded form?
a. 2,916
b. 3x3x3x3x6x6
c. 3x4x6x2
b. 3x3x3x3x6x6
Simplify this expression:
( 10 + 42 ) - 25
10 + 16 - 25
26 - 25
1
If a cereal box length is 9, width is 4 and height is 14, what is its volume?
lwh
9 x 4 x 14
504
What is the additive inverse of 9?
-9
Use the distributive property to simplify.
11(5x + 8)
55x + 88