Review
In reference to expressions and exponents, what is a base?
Base is a number that is multiplied by itself however many times the exponent indicates.
Define variable
A letter that represents an unknown value
Numerical expressions contain numbers, algebraic expressions contain
Letters
A little boy goes shopping and purchases 12 tomatoes.
On the way home, all but 9 get mushed and ruined.
How many tomatoes are left in a good condition?
9
Brackets
Exponents
Multiplication
Division
Addition
Subtraction
125 x 10
1250
Evaluate the following expression when k = 11 and v = 2
22 + 3k - 8 + 2v
51
When you all start to lose your mind and talk, Ms. Jackson states, "Nobody gave y'all a ____"
[Fill in the Blank]
Ticket to talk
What does each letter in STEM stand for?
Technology
Engineering
Mathematics
789 x 7
5523
What is the coefficient in this expression?
k + 11
The coefficient is 1.
3(23) + 7 x 7 - 6
67
A grandfather, two fathers and two sons went to the movie theater together and everyone bought one movie ticket each.
How many tickets did they buy in total?
3 (the grandfather is also a father and the father is also a son).
I often think of a number between 1 - 11. This number is the number of my classroom. What is the number?
789 x 3.5
2761.5
In regards to an expression, define constant
A constant is a number that is not attached to a variable in an expression
[62 + (8/4 + 32)] - 4
43
What are the two whole, positive numbers that have a one-digit answer when multiplied and a two-digit answer when added?
1 and 9.
How many sides does a cube have?
6
27/9 divided by 1/3
9
How many terms are in the following expression? Constants? Coefficients? Variables
2k + 11 + 12 - 9x - 6
5 terms
3 constants
2 coefficients
2 variables
Evaluate the following expression when u = 27500
u - (u - u)4
27500
I am a number, but when you add ‘G’ to me, I go away. What number am I?
One
What is Ms. Jackson's birthday?
March 16