Vocab
What is a coefficient?
A coefficient is the number in front of a variable.
2x + 3x
5x
x - 23 = 8
x = 31
What is the name of Santa's brother?
Krampus
What is a variable?
An unknown quantity/number.
2 + 4 * 3 - 1
13
n + 2 = 9
n = 7
When someone says "trim the Christmas tree" what does it mean?
To decorate it!
What is a term?
A term is a piece of an expression or equation.
Write an equivalent expression: 5x - 10
5(x - 2)
-4x = -12
x = 3
Where does Santa live?
The North Pole
What is an expression?
a combination of numbers, letters (called variables), and mathematical operations like adding, subtracting, multiplying, or dividing, written together without an equal sign
4(2d+6)
8d + 24
x/7 = 10
x = 70
How many reindeer does Santa have?
8-9
Whats an equation?
2 expressions connected with equals signs
5(x+2) + 3
5x + 13
-3x + 4 = 16
x = -4
Name ALL of Santa's reindeers!
Dasher, Dancer, Prancer, Vixen, Comet, Cupid, Donner, Blitzen, and Rudolph