Vocabulary
Give three examples of a variable.
(Any 3 letters)
x + 2 = 8
x = 6
4x = 16
x = 4
Name a place Ms. G has lived besides chicago
Abe
Combine 6x and 2x
8x
What is the opposite of division?
Multiplication (This is the ONLY acceptable answer. I will not accept "times")
Solve.
x - 10 = 12
x = 22
Solve.
25x = 125
x = 5
Ms. Green is making 12 pounds of potatoes into mashed potatoes. She is going to serve 4 people. How many pounds of potatoes can each person have?
3 pounds
12 divided by 4 = 3
Combine like terms:
-5x + 4x + 3x - 10
2x - 10
What is a number all by itself WITHOUT a variable in an expression? For example, the 7 in 3x +7 = 90
Constant
Solve.
26 = x + 14
x = 12
x/10 = 10
x= 100
Abe takes two pills every day. He has 16 pills left. How many days of pills does Abe have?
8 days
Combine like terms:
6x + 9y - 10
6x + 9y -10
What does combine mean?
To add; or, to put together
- 6 + x = 12
x = 18
x / -2 = 16
x = -32
Ms. Green spent $140 at the grocery store. She had $180 in her wallet. How much money does she have left?
$40
Combine:
7x - 10x + 4x - 8x + 7x
0
What is a coefficient?
A number with a variable that tells us how many of the variable we have. For example, the 8 in 8x is a coefficient.
-10 - x = 20
HINT: There are TWO STEPS
x = -30
18x = 45
x = 2.5
What room number are we in right now?
DO NOT GET UP TO LOOK!
Room 332
How do you know when you can't combine any more terms? Explain the best you can.
When there are no matching terms left. When there is only one of each kind of term. (I'll take other answers, too.)