Parts of an expression
A _____ is a letter that represents an unknown value.
variable
11 + r = 29
What is r?
r = 18
8m = 24
What is m?
m = 3
What operation undoes addition?
subtraction!
What is the Islanders' team mascot?
Sparky & Nyisles
3x + 5
What do we call the 5 in the above expression?
Constant
x - 4.3 = 5.7
What is the value of x?
x = 10
-10p + 9p = 12
Solve for p.
p = -12
If there is multiplication in the equation, which operation will I have to do?
division!
Who was the first Mets player to win the National League Rookie of the Year Award?
Jon Matlack
What do we call the number that is in front of/multiplied by the variable?
Coefficient
-3a + 11 -7a = -9
What is the value of a?
a = 2
19x -5 - 24x = 10
What is the value of x?
x = -3
After I find the value of the variable, what should I always do?
Check!
Which American singer-songwriter became the first artist in history to claim all top 10 spots on the Billboard Hot 100 chart simultaneously in 2022 with songs from her album Midnights?
Taylor Swift
How many terms are in the following algebraic expression:
8 + 2p - 7x
Three terms!
5(d - 2) = 40
What is d?
d = 10
7(f - 1) = 49
What is f?
f = 8
What is a common mistake that happens when simplifying the following expression?
5x + 4x
9xx
What music group sings the song "Golden"?
Huntrx
After the following algebraic expression is simplified, how many terms will it have:
9b + 7b + 4 - 2b + 4c - 12 + c
Three terms!
-6(m + 1) + 18 = 24
What is the value of m?
m = -2
72 = 5(4x + 10) + 2
What is the value of x?
x = 1
What is a common mistake that students make when simplifying the following expression?
4(2x - 7)
Students commonly distribute the 4 to the 2x and not to the -7
In a viral internet clip, a kid corrects his age from 6 to what number?
7